FIELD_NAME	FIELD_TYPE	FIELD_SIZE	FIELD_DESC	FIELD_TABLES
ADDL_ATTR	Text	255	Additional attributes used to modify PRIMARY_CLASS, SECONDARY_CLASS, or SPECIFIC_NAME; derived from sample codes in fields of original databases that do not have equivalent fields in the NGDB.	Geol_Data
Ag_ppm_AA	Number	Double	Silver, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Ag_ppm_AA/P	Number	Double	Silver, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ag_ppm_AES	Number	Double	Silver, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ag_ppm_AES/P	Number	Double	Silver, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ag_ppm_ES	Number	Double	Silver, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ag_ppm_FA	Number	Double	Silver, in parts per million, by fire assay.	Chem_Rx_Traces_Ag-Gd; Chem_Soil_Ag-Mg
Ag_ppm_MS	Number	Double	Silver, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ag_ppm_XRF	Number	Double	Silver, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Al_pct_AES	Number	Double	Aluminum, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Al_pct_AES/P	Number	Double	Aluminum, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Ag-Mg
Al_pct_CM	Number	Double	Aluminum, in weight percent, by colorimetry.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Al_pct_ES	Number	Double	Aluminum, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Al_pct_MS	Number	Double	Aluminum, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Al_pct_NA	Number	Double	Aluminum, in weight percent, by neutron activation.	Chem_Sed_Ag-Mg
Al_pct_XRF	Number	Double	Aluminum, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Al_ppm_AES/P	Number	Double	Aluminum, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Al2O3_pct_AES	Number	Double	Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
Al2O3_pct_CM	Number	Double	Aluminum, as aluminum trioxide, in weight percent, by colorimetry.	Chem_Rx_Majors
Al2O3_pct_ES	Number	Double	Aluminum, as aluminum trioxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
Al2O3_pct_GV	Number	Double	Aluminum, as aluminum trioxide, in weight percent, by gravimetry.	Chem_Rx_Majors
Al2O3_pct_MS	Number	Double	Aluminum, as aluminum trioxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
Al2O3_pct_XRF	Number	Double	Aluminum, as aluminum trioxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
ALTERATION	Text	50	An indication of the presence or type of alteration noted in the sample by the submitter.	Geol_Data
ANALYTIC_METHOD	Text	50	Unique short name of analytic method.	AnalyticMethod (Key); Chem_Data
ANALYTIC_METHOD_DESC	Text	255	Full description of analytic method.	AnalyticMethod
ANALYTIC_METHOD_PUB_ID	Text	125	Unique ID for analytic method publication; usually USGS Library call number for reference of analytic method.	AnalyticMethodBiblio (Key); AnalyticMethod
As_ppm_AA	Number	Double	Arsenic, in parts per million, by atomic absorption spectrophotometry.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As_ppm_AA/P	Number	Double	Arsenic, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As_ppm_AES	Number	Double	Arsenic, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As_ppm_AES/P	Number	Double	Arsenic, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As_ppm_CM	Number	Double	Arsenic, parts per million, by colorimetry.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As_ppm_CM/P	Number	Double	Arsenic, parts per million, by colorimetry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
As_ppm_ES	Number	Double	Arsenic, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As_ppm_MS	Number	Double	Arsenic, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As_ppm_NA	Number	Double	Arsenic, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd
As_ppm_XRF	Number	Double	Arsenic, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
As-CV_pct_NA	Number	Double	Arsenic, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
Ash_pct_CB	Number	Double	Ash, in weight percent, by combustion.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Au_ppm_AA	Number	Double	Gold, in parts per million, by atomic absorption spectrophotometry.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Au_ppm_AES	Number	Double	Gold, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Au_ppm_AES/P	Number	Double	Gold, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Au_ppm_ES	Number	Double	Gold, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Au_ppm_FA	Number	Double	Gold, in parts per million, by fire assay.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Au_ppm_MS	Number	Double	Gold, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Au_ppm_NA	Number	Double	Gold, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Au-CV_pct_NA	Number	Double	Gold, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
B_ppm_AES	Number	Double	Boron, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Sed_Ag-Mg
B_ppm_AES/P	Number	Double	Boron, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Ag-Mg
B_ppm_ES	Number	Double	Boron, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ba_ppm_AA	Number	Double	Barium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd
Ba_ppm_AES	Number	Double	Barium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ba_ppm_AES/P	Number	Double	Barium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Ba_ppm_ES	Number	Double	Barium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ba_ppm_GV	Number	Double	Barium, in parts per million, by gravimetry.	Chem_Rx_Traces_Ag-Gd
Ba_ppm_MS	Number	Double	Barium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ba_ppm_NA	Number	Double	Barium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ba_ppm_XRF	Number	Double	Barium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ba-CV_pct_NA	Number	Double	Barium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
Be_ppm_AES	Number	Double	Beryllium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Be_ppm_AES/P	Number	Double	Beryllium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Be_ppm_ES	Number	Double	Beryllium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Be_ppm_FL	Number	Double	Beryllium, in parts per million, by fluorometry.	Chem_Rx_Traces_Ag-Gd
Be_ppm_MS	Number	Double	Beryllium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Bi_ppm_AA	Number	Double	Bismuth, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Bi_ppm_AA/P	Number	Double	Bismuth, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Bi_ppm_AES	Number	Double	Bismuth, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Bi_ppm_AES/P	Number	Double	Bismuth, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Bi_ppm_ES	Number	Double	Bismuth, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Bi_ppm_MS	Number	Double	Bismuth, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Bi_ppm_XRF	Number	Double	Bismuth, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Br_ppm_XRF	Number	Double	Bromine, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Soil_Ag-Mg
C_pct_CB	Number	Double	Total carbon, in weight percent, by combustion.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
C_pct_VOL	Number	Double	Total carbon, in weight percent, by "gasometric".	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ca_pct_AA	Number	Double	Calcium, in weight percent, by atomic absorption spectrophotometry.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ca_pct_AA/P	Number	Double	Calcium, in weight percent, by atomic absorption spectrophotometry after partial digestion.	Chem_Soil_Ag-Mg
Ca_pct_AES	Number	Double	Calcium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ca_pct_AES/P	Number	Double	Calcium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Ag-Mg
Ca_pct_CM	Number	Double	Calcium, in weight percent, by colorimetry.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ca_pct_ES	Number	Double	Calcium, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ca_pct_MS	Number	Double	Calcium, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ca_pct_NA	Number	Double	Calcium, in weight percent, by neutron activation.	Chem_Sed_Ag-Mg
Ca_pct_XRF	Number	Double	Calcium, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ca_ppm_AES/P	Number	Double	Calcium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
CaO_pct_AA	Number	Double	Calcium, as calcium oxide, in weight percent, by atomic absorption spectrophotometry.	Chem_Rx_Majors
CaO_pct_AES	Number	Double	Calcium, as calcium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
CaO_pct_CM	Number	Double	Calcium, as calcium oxide, in weight percent, by colorimetry.	Chem_Rx_Majors
CaO_pct_ES	Number	Double	Calcium, as calcium oxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
CaO_pct_GV	Number	Double	Calcium, as calcium oxide, in weight percent, by gravimetry.	Chem_Rx_Majors
CaO_pct_MS	Number	Double	Calcium, as calcium oxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
CaO_pct_NA	Number	Double	Calcium, as calcium oxide, in weight percent, by neutron activation.	Chem_Rx_Majors
CaO_pct_XRF	Number	Double	Calcium, as calcium oxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
C-CO3_pct_CP	Number	Double	Carbonate carbon, in weight percent, by computation.	Chem_Rx_Majors
C-CO3_pct_TT	Number	Double	Carbonate carbon, in weight percent, by titration.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
C-CO3_pct_VOL	Number	Double	Carbonate carbon, in weight percent, by a volumetric method.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cd_ppm_AA	Number	Double	Cadmium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cd_ppm_AA/P	Number	Double	Cadmium, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cd_ppm_AES	Number	Double	Cadmium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cd_ppm_AES/P	Number	Double	Cadmium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cd_ppm_ES	Number	Double	Cadmium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cd_ppm_MS	Number	Double	Cadmium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cd_ppm_XRF	Number	Double	Cadmium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ce_ppm_AES	Number	Double	Cerium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ce_ppm_AES/P	Number	Double	Cerium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Ce_ppm_ES	Number	Double	Cerium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ce_ppm_MS	Number	Double	Cerium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ce_ppm_NA	Number	Double	Cerium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ce_ppm_XRF	Number	Double	Cerium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ce-CV_pct_NA	Number	Double	Cerium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
CHEM_ID	Number	Long Integer	Unique quantitative value identifier.	Chem (Key)
Cl_pct_CM	Number	Double	Chlorine, in weight percent, by colorimetry.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cl_pct_GV	Number	Double	Chlorine, in weight percent, by gravimetry.	Chem_Rx_Majors
Cl_pct_IC/P	Number	Double	Chloride, in weight percent, by ion chromatography after partial digestion.	Chem_Soil_Ag-Mg
Cl_pct_ISE	Number	Double	Chlorine, in weight percent, by ion specific electrode.	Chem_Rx_Majors; Chem_Soil_Ag-Mg
Cl_pct_NA	Number	Double	Chlorine, in weight percent, by neutron activation.	Chem_Sed_Ag-Mg
Cl_pct_XRF	Number	Double	Chlorine, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cl-_ppm_IC	Number	Double	Chloride, in parts per million, by ion chromatography.	Chem_Soil_Ag-Mg
Co_ppm_AA	Number	Double	Cobalt, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd
Co_ppm_AES	Number	Double	Cobalt, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Co_ppm_AES/P	Number	Double	Cobalt, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Co_ppm_ES	Number	Double	Cobalt, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Co_ppm_MS	Number	Double	Cobalt, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Co_ppm_NA	Number	Double	Cobalt, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
CO2_pct_GV	Number	Double	Carbon dioxide, in weight percent, by gravimetry.	Chem_Rx_Majors
CO2_pct_TT	Number	Double	Carbon dioxide, in weight percent, by titration.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
CO2_pct_VOL	Number	Double	Carbon dioxide, in weight percent, by a volumetric method.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Co-CV_pct_NA	Number	Double	Cobalt, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
Cond_uS/cm_CD/P	Number	Double	Conductance, in micro-Siemens per centimeter, by conductance after partial digestion.	Chem_Soil_Ag-Mg
Cond-Site_uS/cm_CD	Number	Double	Conductance, of water at sample site, in micro-Siemens per centimeter, by conductance.	Chem_Sed_Ag-Mg
C-org_pct_CB	Number	Double	Organic carbon, in weight percent, by combustion.	Chem_Rx_Majors; Chem_Soil_Ag-Mg
C-org_pct_CP	Number	Double	Organic carbon, in weight percent, by computation.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
C-org_pct_VOL	Number	Double	Organic carbon, in weight percent, by gasometric.	Chem_Rx_Majors
Cr_ppm_AA	Number	Double	Chromium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd
Cr_ppm_AES	Number	Double	Chromium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cr_ppm_AES/P	Number	Double	Chromium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Cr_ppm_CM	Number	Double	Chromium, parts per million, by colorimetry.	Chem_Rx_Traces_Ag-Gd
Cr_ppm_ES	Number	Double	Chromium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cr_ppm_GV	Number	Double	Chromium, in parts per million, by gravimetry.	Chem_Rx_Traces_Ag-Gd
Cr_ppm_MS	Number	Double	Chromium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cr_ppm_NA	Number	Double	Chromium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cr_ppm_XRF	Number	Double	Chromium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cr-CV_pct_NA	Number	Double	Chromium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
Cs_ppm_AA	Number	Double	Cesium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd
Cs_ppm_ES	Number	Double	Cesium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ag-Gd
Cs_ppm_MS	Number	Double	Cesium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cs_ppm_NA	Number	Double	Cesium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cs_ppm_XRF	Number	Double	Cesium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Soil_Ag-Mg
Cs-CV_pct_NA	Number	Double	Cesium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
Cu_ppm_AA	Number	Double	Copper, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cu_ppm_AA/P	Number	Double	Copper, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cu_ppm_AES	Number	Double	Copper, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cu_ppm_AES/P	Number	Double	Copper, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cu_ppm_CM	Number	Double	Copper, parts per million, by colorimetry.	Chem_Rx_Traces_Ag-Gd
Cu_ppm_CM/P	Number	Double	Copper, parts per million, by colorimetry after partial digestion.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cu_ppm_ES	Number	Double	Copper, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cu_ppm_MS	Number	Double	Copper, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Cu_ppm_XRF	Number	Double	Copper, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
DATA_VALUE	Number	Double	Numeric result.	Chem_Data
DATE_COLLECT	Date/Time	n/a	Date the sample was collected, when recorded.	Geol_Data
DATE_SUBMITTED	Date/Time	n/a	Date sample was submitted to Sample Control for initial database processing prior to sample prep and analysis.	Geol_Data
DATUM	Text	50	Reference datum, when recorded, for the latitude and longitude coordinates of the sample site.	Geol_Data
DECOMPOSITION	Text	50	Brief description of decomposition method used for given TECHNIQUE in the analysis of the sample, or a comment that further describes this TECHNIQUE.	Chem_Data
Dens-B_g/cc_GV	Number	Double	Bulk density, in grams per cubic centimeter, by gravimetry.	Chem_Rx_Majors; Chem_Soil_Ag-Mg
Dens-P_g/cc_GV	Number	Double	Powder density, in grams per cubic centimeter, by gravimetry.	Chem_Rx_Majors
DEPOSIT_ENVIRON	Text	20	Original environment of deposition for sedimentary rocks.	Geol_Data
DEPTH	Text	65	Depth from the surface at which the sample was collected; units are specified by the submitter.	Geol_Data
DIGESTION	Text	1	Abbreviation of degree of sample digestion – total or partial – required by TECHNIQUE used to analyze the sample for a specific species.	Chem_Data
DIGESTION_METHOD	Text	25	Digestion method used in analytic method.	AnalyticMethod
DRAINAGE	Text	15	Description of drainage of soil where sample collected.	Geol_Data
Dy_ppm_AES	Number	Double	Dysprosium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Ag-Gd
Dy_ppm_ES	Number	Double	Dysprosium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Dy_ppm_MS	Number	Double	Dysprosium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Dy_ppm_NA	Number	Double	Dysprosium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Dy_ppm_XRF	Number	Double	Dysprosium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd
Dy-CV_pct_NA	Number	Double	Dysprosium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
Er_ppm_AES	Number	Double	Erbium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Ag-Gd
Er_ppm_ES	Number	Double	Erbium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Er_ppm_MS	Number	Double	Erbium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Er_ppm_XRF	Number	Double	Erbium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd
Eu_ppm_AES	Number	Double	Europium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Eu_ppm_ES	Number	Double	Europium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Eu_ppm_MS	Number	Double	Europium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Eu_ppm_NA	Number	Double	Europium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Eu_ppm_XRF	Number	Double	Europium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd
Eu-CV_pct_NA	Number	Double	Europium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
F_pct_CM	Number	Double	Fluorine, in weight percent, by colorimetry.	Chem_Rx_Majors; Chem_Soil_Ag-Mg
F_pct_GV	Number	Double	Fluorine, in weight percent, by gravimetry.	Chem_Rx_Majors
F_pct_IC/P	Number	Double	Fluoride, in weight percent, by ion chromatography after partial digestion.	Chem_Soil_Ag-Mg
F_pct_ISE	Number	Double	Fluorine, in weight percent, by ion specific electrode.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
F-_ppm_IC	Number	Double	Fluoride, in parts per million, by ion chromatography.	Chem_Soil_Ag-Mg
FACIES_GRADE	Text	35	Metamorphic facies or grade as provided by the sample submitter.	Geol_Data
Fe_pct_AA	Number	Double	Iron, in weight percent, by atomic absorption spectrophotometry.	Chem_Sed_Ag-Mg
Fe_pct_AES	Number	Double	Iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Fe_pct_AES/P	Number	Double	Iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Ag-Mg
Fe_pct_CM	Number	Double	Iron, in weight percent, by colorimetry.	Chem_Soil_Ag-Mg
Fe_pct_CM-TT	Number	Double	Iron, in weight percent, by colorimetry and titration.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Fe_pct_ES	Number	Double	Iron, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Fe_pct_MS	Number	Double	Iron, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Fe_pct_NA	Number	Double	Iron, in weight percent, by neutron activation.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Fe_pct_XRF	Number	Double	Iron, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Fe_ppm_AES/P	Number	Double	Iron, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg
Fe2O3_pct_AES	Number	Double	Iron, as iron trioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
Fe2O3_pct_CM	Number	Double	Iron, as iron trioxide, in weight percent, by colorimetry.	Chem_Rx_Majors
Fe2O3_pct_GV	Number	Double	Iron, as iron trioxide, in weight percent, by gravimetry.	Chem_Rx_Majors
Fe2O3_pct_TT	Number	Double	Iron, as iron trioxide, in weight percent, by titration.	Chem_Rx_Majors
Fe2O3_pct_XRF	Number	Double	Iron, as iron trioxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
FeO_pct_GV	Number	Double	Ferrous oxide, in weight percent, by gravimetry.	Chem_Rx_Majors
FeO_pct_TT	Number	Double	Ferrous oxide, in weight percent, by titration.	Chem_Rx_Majors
FERRITIC	Text	13	Ferritic nature of soil from which sample was collected.	Geol_Data
FeTO3_pct_AA	Number	Double	Iron, as total iron oxide, in weight percent, by atomic absorption spectrophotometry.	Chem_Rx_Majors
FeTO3_pct_AES	Number	Double	Iron, as total iron oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
FeTO3_pct_CM	Number	Double	Iron, as total iron oxide, in weight percent, by colorimetry.	Chem_Rx_Majors
FeTO3_pct_ES	Number	Double	Iron, as total iron oxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
FeTO3_pct_MS	Number	Double	Iron, as total iron oxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
FeTO3_pct_NA	Number	Double	Iron, as total iron oxide, in weight percent, by neutron activation.	Chem_Rx_Majors
FeTO3_pct_XRF	Number	Double	Iron, as total iron oxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
FeTO3-CV_pct_NA	Number	Double	Iron, as total iron oxide, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Majors
FIELD_DESC	Text	255	Description of field.	FieldNameDictionary
FIELD_ID	Number	Double	Field identifier assigned by the sample collector of sample submitted for analysis, possibly corrected by data renovator due to truncation of data entry.	Geol_Data; Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Rx_Majors; Chem_Rx_Nd-Zr; Chem_Sed_Ag-Mg; Chem_Sed_Mn-Zr; Chem_Soil_Ag-Mg; Chem_Soil_Mn-Zr
FIELD_NAME	Text	35	Field name populated in one or more tables of the CCAP database.	FieldNameDictionary
FIELD_SIZE	Text	15	Maximum number of characters that can be entered in field.	FieldNameDictionary
FIELD_TABLES	Text	Memo	Table(s) containing field.	FieldNameDictionary
FIELD_TYPE	Text	15	Data type of field.	FieldNameDictionary
Ga_ppm_AES	Number	Double	Gallium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ga_ppm_ES	Number	Double	Gallium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ga_ppm_MS	Number	Double	Gallium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ga_ppm_XRF	Number	Double	Gallium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Soil_Ag-Mg
Gd_ppm_AES	Number	Double	Gadolinium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Ag-Gd
Gd_ppm_ES	Number	Double	Gadolinium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Gd_ppm_MS	Number	Double	Gadolinium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Gd_ppm_NA	Number	Double	Gadolinium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ag-Gd; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Gd_ppm_XRF	Number	Double	Gadolinium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ag-Gd
Gd-CV_pct_NA	Number	Double	Gadolinium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ag-Gd
Ge_ppm_AA	Number	Double	Germanium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Ag-Mg
Ge_ppm_AES	Number	Double	Germanium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Ge-Sb
Ge_ppm_ES	Number	Double	Germanium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ge_ppm_MS	Number	Double	Germanium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Ag-Mg
Ge_ppm_XRF	Number	Double	Germanium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Ag-Mg
GEOLOGIC_AGE	Text	60	Age or range of ages from the Geological Time Scale for the collected sample.	Geol_Data
H2O_pct_GV	Number	Double	Total water, in weight percent, by gravimetry.	Chem_Rx_Majors
H2O-_pct_GV	Number	Double	Moisture, in weight percent, by gravimetry.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
H2O_pct_TT	Number	Double	Total water, in weight percent, by titration.	Chem_Rx_Majors
H2O+_pct_GV	Number	Double	Bound water, in weight percent, by gravimetry.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
H2O+_pct_TT	Number	Double	Bound water, in weight percent, by titration.	Chem_Rx_Majors
Hf_ppm_AES	Number	Double	Hafnium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Sed_Ag-Mg
Hf_ppm_ES	Number	Double	Hafnium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Hf_ppm_MS	Number	Double	Hafnium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb
Hf_ppm_NA	Number	Double	Hafnium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Hf-CV_pct_NA	Number	Double	Hafnium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
Hg_ppm_AA	Number	Double	Mercury, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Hg_ppm_ES	Number	Double	Mercury, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
HM_ppm_CM/P	Number	Double	Heavy metals, parts per million, by colorimetry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ho_ppm_AES	Number	Double	Holmium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ho_ppm_ES	Number	Double	Holmium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ho_ppm_MS	Number	Double	Holmium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ho_ppm_NA	Number	Double	Holmium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb
Ho_ppm_XRF	Number	Double	Holmium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb
Ho-CV_pct_NA	Number	Double	Holmium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
HORIZON	Text	20	Definition of soil sample horizon from which sample was collected.	Geol_Data
I_ppm_ISE	Number	Double	Iodine, in parts per million, by ion specific electrode.	Chem_Rx_Traces_Ge-Sb
I_ppm_XRF	Number	Double	Iodine, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Ag-Mg
IGNEOUS_FORM	Text	30	An indication of the igneous setting from which the sample was collected.	Geol_Data
In_ppm_AA	Number	Double	Indium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb
In_ppm_ES	Number	Double	Indium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
In_ppm_MS	Number	Double	Indium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Ir_ppm_ES	Number	Double	Iridium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb
Ir_ppm_FA	Number	Double	Iridium, in parts per million, by fire assay.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg
JOB_ID	Number	Double	Laboratory batch identifier assigned by the Sample Control Officer of the analytical laboratory that received the samples as a batch.	Geol_Data; Chem_Data; Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Rx_Majors; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Sed_Mn-Zr; Chem_Soil_Ag-Mg; Chem_Soil_Mn-Zr
K_pct_AA	Number	Double	Potassium, in weight percent, by atomic absorption spectrophotometry.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
K_pct_AES	Number	Double	Potassium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
K_pct_CM	Number	Double	Potassium, in weight percent, by colorimetry.	Chem_Soil_Ag-Mg
K_pct_ES	Number	Double	Potassium, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
K_pct_MS	Number	Double	Potassium, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
K_pct_NA	Number	Double	Potassium, in weight percent, by neutron activation.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
K_pct_XRF	Number	Double	Potassium, in weight percent, by neutron activation.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
K_ppm_AES/P	Number	Double	Potassium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg
K2O_pct_AA	Number	Double	Potassium, as potassium oxide, in weight percent, by atomic absorption spectrophotometry.	Chem_Rx_Majors
K2O_pct_AES	Number	Double	Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
K2O_pct_CM	Number	Double	Potassium, as potassium oxide, in weight percent, by colorimetry.	Chem_Rx_Majors
K2O_pct_ES	Number	Double	Potassium, as potassium oxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
K2O_pct_GV	Number	Double	Potassium, as potassium oxide, in weight percent, by gravimetry.	Chem_Rx_Majors
K2O_pct_MS	Number	Double	Potassium, as potassium oxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
K2O_pct_NA	Number	Double	Potassium, as potassium oxide, in weight percent, by neutron activation.	Chem_Rx_Majors
K2O_pct_XRF	Number	Double	Potassium, as potassium oxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
K2O-CV_pct_NA	Number	Double	Potassium, as potassium oxide, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Majors
La_ppm_AES	Number	Double	Lanthanum, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
La_ppm_AES/P	Number	Double	Lanthanum, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg
La_ppm_ES	Number	Double	Lanthanum, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
La_ppm_MS	Number	Double	Lanthanum, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
La_ppm_NA	Number	Double	Lanthanum, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
La_ppm_XRF	Number	Double	Lanthanum, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
LAB_ID	Number	Double	Unique identifier assigned to each submitted sample by the Sample Control Officer of the analytical laboratory that received the sample.	Geol_Data (Key); Chem_Data; Chem_HMC (Key); Chem_Rx_Traces_Ge-Sb (Key); Chem_Rx_Majors (key); Chem_Rx_Traces_Ge-Sb (Key); Chem_Sed_Ag-Mg (Key); Chem_Sed_Mn-Zr (Key); Chem_Soil_Ag-Mg (Key); Chem_Soil_Mn-Zr (Key)
LAB_NAME	Text	50	Abbreviated name of agency or organization that performed chemical analysis.	Chem_Data
La-CV_pct_NA	Number	Double	Lanthanum, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
LATITUDE	Number	Decimal	Latitude coordinate of sample site, reported in decimal degrees; usually with NAD27 datum and Clarke 1866 spheroid prior to year 2000	Geol_Data; Chem_HMC; Chem_Rx_Majors; Chem_Rx_Traces_Ag-Gd; Chem_Rx_Traces_Ge-Sb; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Ag-Mg; Chem_Sed_Mn-Zr; Chem_Soil_Ag-Mg; Chem_Soil_Mn-Zr
Less-O_pct_GV	Number	Double	Oxygen correction, in weight percent, by gravimetry.	Chem_Rx_Majors
Li_ppm_AA	Number	Double	Lithium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Li_ppm_AES	Number	Double	Lithium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Li_ppm_AES/P	Number	Double	Lithium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg
Li_ppm_CM	Number	Double	Lithium, parts per million, by colorimetry.	Chem_Rx_Traces_Ge-Sb
Li_ppm_ES	Number	Double	Lithium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Li_ppm_GV	Number	Double	Lithium, in parts per million, by gravimetry.	Chem_Rx_Traces_Ge-Sb
Li_ppm_MS	Number	Double	Lithium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Li_ppm_NA	Number	Double	Lithium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb
LOCATE_DESC	Text	255	Geographic information relating to the location of the sample site.	Geol_Data
LOI_pct_CB	Number	Double	Loss on ignition, in weight percent, by combustion.	Chem_Rx_Majors; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
LONGITUDE	Number	Decimal	Longitude coordinate of sample site, reported in decimal degrees; usually with NAD27 datum and Clarke 1866 spheroid prior to year 2000	Geol_Data; Chem_HMC; Chem_Rx_Majors; Chem_Rx_Traces_Ag-Gd; Chem_Rx_Traces_Ge-Sb; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Ag-Mg; Chem_Sed_Mn-Zr; Chem_Soil_Ag-Mg; Chem_Soil_Mn-Zr
Lu_ppm_AES	Number	Double	Lutetium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Ge-Sb
Lu_ppm_ES	Number	Double	Lutetium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Lu_ppm_MS	Number	Double	Lutetium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb
Lu_ppm_NA	Number	Double	Lutetium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Lu_ppm_XRF	Number	Double	Lutetium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb
Lu-CV_pct_NA	Number	Double	Lutetium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
MESH_PORE_SIZE	Text	40	Sieve size used in field sampling or laboratory preparation to fractionate the sample.	Geol_Data
METAMORPHISM	Text	15	An indication of the type of metamorphic setting from which the rock was collected.	Geol_Data
METHOD_COLLECTED	Text	15	Sample collection method: Single grab, composite, or channel.	Geol_Data
Mg_pct_AA	Number	Double	Magnesium, in weight percent, by atomic absorption spectrophotometry.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Mg_pct_AA/P	Number	Double	Magnesium, in weight percent, by atomic absorption spectrophotometry after partial digestion.	Chem_Soil_Ag-Mg
Mg_pct_AES	Number	Double	Magnesium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Mg_pct_AES/P	Number	Double	Magnesium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Ag-Mg
Mg_pct_CM	Number	Double	Magnesium, in weight percent, by colorimetry.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Mg_pct_ES	Number	Double	Magnesium, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Mg_pct_MS	Number	Double	Magnesium, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Mg_pct_NA	Number	Double	Magnesium, in weight percent, by neutron activation.	Chem_Sed_Ag-Mg
Mg_pct_XRF	Number	Double	Magnesium, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Ag-Mg; Chem_Soil_Ag-Mg
Mg_ppm_AES/P	Number	Double	Magnesium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Ag-Mg
MgO_pct_AA	Number	Double	Magnesium, as magnesium oxide, in weight percent, by atomic absorption spectrophotometry.	Chem_Rx_Majors
MgO_pct_AES	Number	Double	Magnesium, as magnesium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
MgO_pct_CM	Number	Double	Magnesium, as magnesium oxide, in weight percent, by colorimetry.	Chem_Rx_Majors
MgO_pct_ES	Number	Double	Magnesium, as magnesium oxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
MgO_pct_GV	Number	Double	Magnesium, as magnesium oxide, in weight percent, by gravimetry.	Chem_Rx_Majors
MgO_pct_MS	Number	Double	Magnesium, as magnesium oxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
MgO_pct_XRF	Number	Double	Magnesium, as magnesium oxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
MINERALIZATION	Text	35	An indication of mineralization or mineralization types as provided by the sample submitter.	Geol_Data
Mn_pct_AA	Number	Double	Manganese, in weight percent, by atomic absorption spectrophotometry.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mn_pct_AES	Number	Double	Manganese, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mn_pct_CM	Number	Double	Manganese, in weight percent, by colorimetry.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mn_pct_ES	Number	Double	Manganese, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mn_pct_MS	Number	Double	Manganese, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mn_pct_NA	Number	Double	Manganese, in weight percent, by neutron activation.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mn_pct_XRF	Number	Double	Manganese, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mn_ppm_AA/P	Number	Double	Manganese, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Mn-Zr
Mn_ppm_AES/P	Number	Double	Manganese, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
MnO_pct_AA	Number	Double	Manganese, as manganese oxide, in weight percent, by atomic absorption spectrophotometry.	Chem_Rx_Majors
MnO_pct_AES	Number	Double	Manganese, as manganese oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
MnO_pct_CM	Number	Double	Manganese, as manganese oxide, in weight percent, by colorimetry.	Chem_Rx_Majors
MnO_pct_ES	Number	Double	Manganese, as manganese oxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
MnO_pct_GV	Number	Double	Manganese, as manganese oxide, in weight percent, by gravimetry.	Chem_Rx_Majors
MnO_pct_MS	Number	Double	Manganese, as manganese oxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
MnO_pct_NA	Number	Double	Manganese, as manganese oxide, in weight percent, by neutron activation.	Chem_Rx_Majors
MnO_pct_XRF	Number	Double	Manganese, as manganese oxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
MnO-CV_pct_NA	Number	Double	Manganese, as manganese oxide, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Majors
Mo_ppm_AA	Number	Double	Molybdenum, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
Mo_ppm_AA/P	Number	Double	Molybdenum, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Mn-Zr
Mo_ppm_AES	Number	Double	Molybdenum, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mo_ppm_AES/P	Number	Double	Molybdenum, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mo_ppm_CM	Number	Double	Molybdenum, parts per million, by colorimetry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mo_ppm_CM/P	Number	Double	Molybdenum, parts per million, by colorimetry after partial digestion.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
Mo_ppm_ES	Number	Double	Molybdenum, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mo_ppm_GV	Number	Double	Molybdenum, in parts per million, by gravimetry.	Chem_Rx_Traces_Ge-Sb
Mo_ppm_MS	Number	Double	Molybdenum, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Mo_ppm_XRF	Number	Double	Molybdenum, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Mn-Zr
Na_pct_AA	Number	Double	Sodium, in weight percent, by atomic absorption spectrophotometry.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Na_pct_AES	Number	Double	Sodium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Na_pct_ES	Number	Double	Sodium, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Na_pct_MS	Number	Double	Sodium, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Na_pct_NA	Number	Double	Sodium, in weight percent, by neutron activation.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Na_pct_XRF	Number	Double	Sodium, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Na_ppm_AES/P	Number	Double	Sodium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
Na2O_pct_AA	Number	Double	Sodium, as sodium dioxide, in weight percent, by atomic absorption spectrophotometry.	Chem_Rx_Majors
Na2O_pct_AES	Number	Double	Sodium, as sodium dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
Na2O_pct_CM	Number	Double	Sodium, as sodium dioxide, in weight percent, by colorimetry.	Chem_Rx_Majors
Na2O_pct_ES	Number	Double	Sodium, as sodium dioxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
Na2O_pct_GV	Number	Double	Sodium, as sodium dioxide, in weight percent, by gravimetry.	Chem_Rx_Majors
Na2O_pct_MS	Number	Double	Sodium, as sodium dioxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
Na2O_pct_NA	Number	Double	Sodium, as sodium dioxide, in weight percent, by neutron activation.	Chem_Rx_Majors
Na2O_pct_XRF	Number	Double	Sodium, as sodium dioxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
Na2O-CV_pct_NA	Number	Double	Sodium, as sodium dioxide, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Majors
Nb_ppm_AES	Number	Double	Niobium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nb_ppm_AES/P	Number	Double	Niobium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Mn-Zr
Nb_ppm_ES	Number	Double	Niobium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nb_ppm_MS	Number	Double	Niobium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nb_ppm_XRF	Number	Double	Niobium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nd_ppm_AES	Number	Double	Neodymium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nd_ppm_ES	Number	Double	Neodymium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nd_ppm_MS	Number	Double	Neodymium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nd_ppm_NA	Number	Double	Neodymium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Nd_ppm_XRF	Number	Double	Neodymium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Mn-Zr
Nd-CV_pct_NA	Number	Double	Neodymium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
Ni_ppm_AA	Number	Double	Nickel, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ni_ppm_AES	Number	Double	Nickel, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ni_ppm_AES/P	Number	Double	Nickel, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
Ni_ppm_CM	Number	Double	Nickel, parts per million, by colorimetry.	Chem_Rx_Traces_Ge-Sb
Ni_ppm_ES	Number	Double	Nickel, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ni_ppm_MS	Number	Double	Nickel, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ni_ppm_NA	Number	Double	Nickel, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb
Ni_ppm_XRF	Number	Double	Nickel, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ni-CV_pct_NA	Number	Double	Nickel, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
NO3_ppm_IC	Number	Double	Nitrate, in parts per million, by ion chromatography.	Chem_Soil_Mn-Zr
ORGANICS	Text	20	Organic content of soil from which sample was collected.	Geol_Data
Os_ppm_ES	Number	Double	Osmium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb
Os_ppm_FA	Number	Double	Osmium, in parts per million, by fire assay.	Chem_Rx_Traces_Ge-Sb
P_pct_AES	Number	Double	Phosphorus, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
P_pct_AES/P	Number	Double	Phosphorus, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Mn-Zr
P_pct_CM	Number	Double	Phosphorus, in weight percent, by colorimetry.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
P_pct_ES	Number	Double	Phosphorus, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
P_pct_MS	Number	Double	Phosphorus, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
P_pct_XRF	Number	Double	Phosphorus, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
P_ppm_AES/P	Number	Double	Phosphorus, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
P2O5_pct_AES	Number	Double	Phosphorus, as phosphorus pentoxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
P2O5_pct_CM	Number	Double	Phosphorus, as phosphorus pentoxide, in weight percent, by colorimetry.	Chem_Rx_Majors
P2O5_pct_ES	Number	Double	Phosphorus, as phosphorus pentoxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
P2O5_pct_GV	Number	Double	Phosphorus, as phosphorus pentoxide, in weight percent, by gravimetry.	Chem_Rx_Majors
P2O5_pct_MS	Number	Double	Phosphorus, as phosphorus pentoxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
P2O5_pct_XRF	Number	Double	Phosphorus, as phosphorus pentoxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
PARAMETER	Text	35	Chemical parameter that is a concatenation of SPECIES, UNITS, TECHNIQUE, and DIGESTION.	Chem_Data
Pb_ppm_AA	Number	Double	Lead, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pb_ppm_AA/P	Number	Double	Lead, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
Pb_ppm_AES	Number	Double	Lead, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pb_ppm_AES/P	Number	Double	Lead, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pb_ppm_CM	Number	Double	Lead, parts per million, by colorimetry.	Chem_Rx_Traces_Ge-Sb
Pb_ppm_CM/P	Number	Double	Lead, parts per million, by colorimetry after partial digestion.	Chem_Sed_Mn-Zr
Pb_ppm_ES	Number	Double	Lead, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pb_ppm_MS	Number	Double	Lead, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pb_ppm_NA	Number	Double	Lead, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb
Pb_ppm_XRF	Number	Double	Lead, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pd_ppm_ES	Number	Double	Palladium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pd_ppm_FA	Number	Double	Palladium, in parts per million, by fire assay.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
pH_SI_ISE	Number	Double	pH, in standard units, by electrode.	Chem_Soil_Mn-Zr
pH-Site_SI_ISE	Number	Double	pH, of water at sample site, in standard units, by electrode.	Chem_Sed_Mn-Zr
PO4_ppm_IC/P	Number	Double	Phosphate, in parts per million, by ion chromatography after partial digestion.	Chem_Soil_Mn-Zr
Pr_ppm_AES	Number	Double	Praseodymium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Ge-Sb
Pr_ppm_ES	Number	Double	Praseodymium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pr_ppm_MS	Number	Double	Praseodymium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pr_ppm_XRF	Number	Double	Praseodymium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb
PREP	Text	255	Description of the sample preparation methods used.	Geol_Data
PREVIOUS_JOB_ID	Text	20	Original NGDB batch number (JOB_ID) of a USGS resubmitted sample that has been given a new batch number upon resubmittal for further analysis.	Geol_Data
PREVIOUS_LAB_ID	Text	20	Original NGDB LAB_ID of a USGS resubmitted sample that has been given a new lab number upon resubmittal for further analysis.	Geol_Data
PRIMARY_CLASS	Text	30	Primary classification of sample media.	Geol_Data
PROJECT_NAME	Text	75	Project name, at times derived from a project account number, of work group funded for the collection and analysis of submitted samples.	Geol_Data
Pt_ppm_ES	Number	Double	Platinum, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Pt_ppm_FA	Number	Double	Platinum, in parts per million, by fire assay.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
PUB_AUTHOR	Text	255	Publication author(s).	AnalyticMethodBiblio
PUB_NOTES	Memo	n/a	Notes regarding publication.	AnalyticMethodBiblio
PUB_ORG_LINK	Text	50	Organization linked to publication.	AnalyticMethodBiblio
PUB_PAGES	Text	100	Pages in publication.	AnalyticMethodBiblio
PUB_SERIES_TITLE	Text	150	Series title of publication.	AnalyticMethodBiblio
PUB_TITLE	Text	255	Title of publication.	AnalyticMethodBiblio
PUB_URL	Hyperlink	n/a	URL of publication, if available.	AnalyticMethodBiblio
PUB_YEAR	Number	Integer	Year of publication.	AnalyticMethodBiblio
QUAD	Text	30	Name of 1:250,000-scale quadrangle (1°x2°) in which sample was collected.	Geol_Data
QUALIFIED_VALUE	Number	Double	Numeric result; qualified so that DATA_VALUEs with associated QUALIFIERs '<', 'N' or 'L' are expressed as negative values, and DATA_VALUEs with associated QUALIFIERs '>' or 'G' end in "999".	Chem_Data
QUALIFIER	Text	1	Qualifying modifer for result; i.e., '<', '>'.	Chem_Data
Rb_ppm_AA	Number	Double	Rubidium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Rb_ppm_ES	Number	Double	Rubidium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb
Rb_ppm_MS	Number	Double	Rubidium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Rb_ppm_NA	Number	Double	Rubidium, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Rb_ppm_XRF	Number	Double	Rubidium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Rb-CV_pct_NA	Number	Double	Rubidium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
Re_ppm_ES	Number	Double	Rhenium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Re_ppm_MS	Number	Double	Rhenium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Mn-Zr
Re_ppm_XRF	Number	Double	Rhenium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb
Rh_ppm_ES	Number	Double	Rhodium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb
Rh_ppm_FA	Number	Double	Rhodium, in parts per million, by fire assay.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ru_ppm_ES	Number	Double	Ruthenium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Ge-Sb
Ru_ppm_FA	Number	Double	Ruthenium, in parts per million, by fire assay.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr
S_pct_AES	Number	Double	Total sulfur, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
S_pct_CB	Number	Double	Total sulfur, in weight percent, by combustion.	Chem_Rx_Majors; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
S_pct_CM	Number	Double	Total sulfur, in weight percent, by colorimetry.	Chem_Rx_Majors; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
S_pct_GV	Number	Double	Total sulfur, in weight percent, by gravimetry.	Chem_Rx_Majors
S_pct_TB	Number	Double	Total sulfur, in weight percent, by turbidimetry.	Chem_Rx_Majors
S_pct_XRF	Number	Double	Total sulfur, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
S_ppm_AES/P	Number	Double	Total sulfur, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Mn-Zr
S_ppm_IC	Number	Double	Total sulfur, in parts per million, by ion chromatography.	Chem_Soil_Mn-Zr
S_ppm_IC/P	Number	Double	Total sulfur, in parts per million, by ion chromatography after partial digestion.	Chem_Soil_Mn-Zr
SALINE	Text	12	Saline nature of soil from which sample was collected.	Geol_Data
SAMPLE_COMMENT	Text	255	Attribute used to modify PRIMARY_CLASS, SECONDARY_CLASS, or SPECIFIC_NAME; data is not derived from sample codes.	Geol_Data
SAMPLE_SOURCE	Text	40	Physical setting or environment from which the sample was collected.	Geol_Data
SAMPLE_ZONE	Text	20	Soil horizon from which sample was collected.	Geol_Data
Sb_ppm_AA	Number	Double	Antimony, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sb_ppm_AA/P	Number	Double	Antimony, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sb_ppm_AES	Number	Double	Antimony, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Sed_Mn-Zr
Sb_ppm_AES/P	Number	Double	Antimony, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sb_ppm_CM	Number	Double	Antimony, parts per million, by colorimetry.	Chem_Rx_Traces_Ge-Sb
Sb_ppm_CM/P	Number	Double	Antimony, parts per million, by colorimetry after partial digestion.	Chem_Rx_Traces_Ge-Sb
Sb_ppm_ES	Number	Double	Antimony, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sb_ppm_MS	Number	Double	Antimony, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sb_ppm_NA	Number	Double	Antimony, in parts per million, by neutron activation.	Chem_Rx_Traces_Ge-Sb; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sb_ppm_XRF	Number	Double	Antimony, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Ge-Sb; Chem_Soil_Mn-Zr
Sb-CV_pct_NA	Number	Double	Antimony, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Ge-Sb
Sc_ppm_AES	Number	Double	Scandium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sc_ppm_ES	Number	Double	Scandium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sc_ppm_MS	Number	Double	Scandium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sc_ppm_NA	Number	Double	Scandium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sc_ppm_XRF	Number	Double	Scandium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr
Sc-CV_pct_NA	Number	Double	Scandium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Se_ppm_AA	Number	Double	Selenium, in parts per million, by atomic absorption spectrophotometry.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Se_ppm_ES	Number	Double	Selenium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Se_ppm_FL	Number	Double	Selenium, in parts per million, by fluorometry.	Chem_Rx_Traces_Sc-Zr; Chem_Soil_Mn-Zr
Se_ppm_MS	Number	Double	Selenium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Se_ppm_NA	Number	Double	Selenium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Se_ppm_XRF	Number	Double	Selenium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
SECONDARY_CLASS	Text	33	Secondary classification or subclass of sample media; attribute of PRIMARY_CLASS.	Geol_Data
Si_pct_AES	Number	Double	Silicon, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Si_pct_AES/P	Number	Double	Silicon, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Mn-Zr
Si_pct_CM	Number	Double	Silicon, in weight percent, by colorimetry.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Si_pct_ES	Number	Double	Silicon, in weight percent, by direct-current arc emission spectrography.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Si_pct_XRF	Number	Double	Silicon, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Si_ppm_AES/P	Number	Double	Silicon, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Mn-Zr
SiO2_pct_AES	Number	Double	Silicon, as silicon dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
SiO2_pct_CM	Number	Double	Silicon, as silicon dioxide, in weight percent, by colorimetry.	Chem_Rx_Majors
SiO2_pct_ES	Number	Double	Silicon, as silicon dioxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
SiO2_pct_GV	Number	Double	Silicon, as silicon dioxide, in weight percent, by gravimetry.	Chem_Rx_Majors
SiO2_pct_XRF	Number	Double	Silicon, as silicon dioxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
Sm_ppm_AES	Number	Double	Samarium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Sc-Zr
Sm_ppm_ES	Number	Double	Samarium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sm_ppm_MS	Number	Double	Samarium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sm_ppm_NA	Number	Double	Samarium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sm_ppm_XRF	Number	Double	Samarium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr
Sm-CV_pct_NA	Number	Double	Samarium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Sn_ppm_AA	Number	Double	Tin, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Sc-Zr; Chem_Soil_Mn-Zr
Sn_ppm_AA/P	Number	Double	Tin, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Sn_ppm_AES	Number	Double	Tin, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sn_ppm_AES/P	Number	Double	Tin, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Sn_ppm_ES	Number	Double	Tin, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sn_ppm_FL	Number	Double	Tin, in parts per million, by fluorometry.	Chem_Rx_Traces_Sc-Zr
Sn_ppm_MS	Number	Double	Tin, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sn_ppm_XRF	Number	Double	Tin, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
SO3_pct_CM	Number	Double	Acid-soluble sulfate, in weight percent, by colorimetry.	Chem_Rx_Majors
SO3_pct_GV	Number	Double	Acid-soluble sulfate, in weight percent, by gravimetry.	Chem_Rx_Majors
SOURCE_ROCK	Text	12	Used in the rock database to identify the precursor rock, igneous or sedimentary, for metamorphic rocks.	Geol_Data
SPECIES	Text	35	Chemical attribute that has a data value associated with it.	Chem_Data
SPECIFIC_NAME	Text	40	A specific name for the sample media collected; attribute of PRIMARY_CLASS and/or SECONDARY_CLASS.	Geol_Data
SPHEROID	Text	25	Reference spheroid or ellipsoid, when recorded, for the latitude and longitude coordinates of the sample site.	Geol_Data
SplWt-Au_g_GV	Number	Double	Sample weight, for gold analysis, in grams, by gravimetry.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
SplWt-FA_g_GV	Number	Double	Sample weight, for fire assay analysis, in grams, by gravimetry.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Sr_ppm_AA	Number	Double	Strontium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Sc-Zr
Sr_ppm_AES	Number	Double	Strontium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sr_ppm_AES/P	Number	Double	Strontium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Sr_ppm_CM	Number	Double	Strontium, parts per million, by colorimetry.	Chem_Rx_Traces_Sc-Zr
Sr_ppm_ES	Number	Double	Strontium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sr_ppm_GV	Number	Double	Strontium, in parts per million, by gravimetry.	Chem_Rx_Traces_Sc-Zr
Sr_ppm_MS	Number	Double	Strontium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sr_ppm_NA	Number	Double	Strontium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sr_ppm_XRF	Number	Double	Strontium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Sr-CV_pct_NA	Number	Double	Strontium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
STATE	Text	2	Abbreviation of state from where the sample was collected.	Geol_Data
STRATIGRAPHY	Text	255	Name of the stratigraphic unit from which the sample was collected; when present, values are as given by the sample submitter and may represent either a formal name, an informal name, or geologic map unit abbreviation.	Geol_Data
SUBMITTER	Text	75	Name of the individual(s) who submitted the sample in a batch to the laboratory for analysis; not necessarily the sample collector.	Geol_Data
Sulfide_pct_CM	Number	Double	Sulfide, in weight percent, by colorimetry.	Chem_Rx_Majors
Sulfide_pct_TB	Number	Double	Sulfide, in weight percent, by turbidimetry.	Chem_Rx_Majors
Ta_ppm_AES	Number	Double	Tantalum, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ta_ppm_ES	Number	Double	Tantalum, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ta_ppm_MS	Number	Double	Tantalum, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Ta_ppm_NA	Number	Double	Tantalum, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ta-CV_pct_NA	Number	Double	Tantalum, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Tb_ppm_AES	Number	Double	Terbium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Sc-Zr
Tb_ppm_ES	Number	Double	Terbium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tb_ppm_MS	Number	Double	Terbium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tb_ppm_NA	Number	Double	Terbium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tb_ppm_XRF	Number	Double	Terbium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr
Tb-CV_pct_NA	Number	Double	Terbium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Te_ppm_AA	Number	Double	Tellurium, in parts per million, by atomic absorption spectrophotometry.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Te_ppm_CM	Number	Double	Tellurium, parts per million, by colorimetry.	Chem_Rx_Traces_Sc-Zr
Te_ppm_ES	Number	Double	Tellurium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Te_ppm_MS	Number	Double	Tellurium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
TECHNIQUE	Text	15	Abbreviation of analytic method used to analyze the sample.	Chem_Data
Th_ppm_AES	Number	Double	Thorium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Th_ppm_AES/P	Number	Double	Thorium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Th_ppm_CM	Number	Double	Thorium, parts per million, by colorimetry.	Chem_Rx_Traces_Sc-Zr; Chem_Soil_Mn-Zr
Th_ppm_ES	Number	Double	Thorium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Th_ppm_MS	Number	Double	Thorium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Th_ppm_NA	Number	Double	Thorium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Th_ppm_TB	Number	Double	Thorium, in parts per million by turbidimetry.	Chem_Rx_Traces_Sc-Zr
Th_ppm_XRF	Number	Double	Thorium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Soil_Mn-Zr
Th-CV_pct_NA	Number	Double	Thorium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ti_pct_AES	Number	Double	Titanium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ti_pct_AES/P	Number	Double	Titanium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Sed_Mn-Zr
Ti_pct_CM	Number	Double	Titanium, in weight percent, by colorimetry.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ti_pct_ES	Number	Double	Titanium, in weight percent, by direct-current arc emission spectrography.	Chem_HMC; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ti_pct_MS	Number	Double	Titanium, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ti_pct_NA	Number	Double	Titanium, in weight percent, by neutron activation.	Chem_Sed_Mn-Zr
Ti_pct_XRF	Number	Double	Titanium, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Ti_ppm_AES/P	Number	Double	Titanium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
TiO2_pct_AES	Number	Double	Titanium, as titanium dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Majors
TiO2_pct_CM	Number	Double	Titanium, as titanium dioxide, in weight percent, by colorimetry.	Chem_Rx_Majors
TiO2_pct_ES	Number	Double	Titanium, as titanium dioxide, in weight percent, by direct-current arc emission spectrography.	Chem_Rx_Majors
TiO2_pct_GV	Number	Double	Titanium, as titanium dioxide, in weight percent, by gravimetry.	Chem_Rx_Majors
TiO2_pct_MS	Number	Double	Titanium, as titanium dioxide, in weight percent, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Majors
TiO2_pct_XRF	Number	Double	Titanium, as titanium dioxide, in weight percent, by X-ray fluorescence spectroscopy.	Chem_Rx_Majors
Tl_ppm_AA	Number	Double	Thallium, in parts per million, by atomic absorption spectrophotometry.	Chem_HMC; Chem_Rx_Traces_Sc-Zr
Tl_ppm_ES	Number	Double	Thallium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tl_ppm_MS	Number	Double	Thallium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tm_ppm_AES	Number	Double	Thulium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Sc-Zr
Tm_ppm_ES	Number	Double	Thulium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tm_ppm_MS	Number	Double	Thulium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tm_ppm_NA	Number	Double	Thulium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Tm_ppm_XRF	Number	Double	Thulium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr
Tm-CV_pct_NA	Number	Double	Thulium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Total_pct_CP	Number	Double	Total, calculated, in weight percent, by computation.	Chem_Rx_Majors
U_ppm_AES	Number	Double	Uranium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
U_ppm_CM	Number	Double	Uranium, parts per million, by colorimetry.	Chem_Rx_Traces_Sc-Zr
U_ppm_CM/P	Number	Double	Uranium, parts per million, by colorimetry after partial digestion.	Chem_Rx_Traces_Sc-Zr
U_ppm_ES	Number	Double	Uranium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
U_ppm_FL	Number	Double	Uranium, in parts per million, by fluorometry.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
U_ppm_MS	Number	Double	Uranium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
U_ppm_NA	Number	Double	Uranium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
U_ppm_XRF	Number	Double	Uranium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Soil_Mn-Zr
U-CV_pct_NA	Number	Double	Uranium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
U-eq_ppm_GRC	Number	Double	Uranium, equvalent, in parts per million, by gamma ray count.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
U-eq-Site_ppm_GRC	Number	Double	Uranium, equvalent, at sample site, in parts per million, by gamma ray count.	Chem_Sed_Mn-Zr
UNITS	Text	15	Units of concentration or measurement in which the DATA_VALUE is expressed.	Chem_Data
V_ppm_AA	Number	Double	Vanadium, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Sc-Zr
V_ppm_AES	Number	Double	Vanadium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
V_ppm_AES/P	Number	Double	Vanadium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
V_ppm_ES	Number	Double	Vanadium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
V_ppm_GV	Number	Double	Vanadium, in parts per million, by gravimetry.	Chem_Rx_Traces_Sc-Zr
V_ppm_MS	Number	Double	Vanadium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
V_ppm_NA	Number	Double	Vanadium, in parts per million, by neutron activation.	Chem_Sed_Mn-Zr
V_ppm_XRF	Number	Double	Vanadium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Soil_Mn-Zr
W_ppm_AES/P	Number	Double	Tungsten, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
W_ppm_CM	Number	Double	Tungsten, parts per million, by colorimetry.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
W_ppm_CM/P	Number	Double	Tungsten, parts per million, by colorimetry after partial digestion.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
W_ppm_ES	Number	Double	Tungsten, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
W_ppm_MS	Number	Double	Tungsten, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
W_ppm_NA	Number	Double	Tungsten, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Soil_Mn-Zr
W_ppm_XRF	Number	Double	Tungsten, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
W-CV_pct_NA	Number	Double	Tungsten, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Y_ppm_AES	Number	Double	Yttrium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Y_ppm_AES/P	Number	Double	Yttrium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Y_ppm_ES	Number	Double	Yttrium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Y_ppm_MS	Number	Double	Yttrium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Y_ppm_XRF	Number	Double	Yttrium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Yb_ppm_AES	Number	Double	Ytterbium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Yb_ppm_ES	Number	Double	Ytterbium, in parts per million, by direct-current arc emission spectrography.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Yb_ppm_MS	Number	Double	Ytterbium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Yb_ppm_NA	Number	Double	Ytterbium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Yb_ppm_XRF	Number	Double	Ytterbium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr
Yb-CV_pct_NA	Number	Double	Ytterbium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Zn_ppm_AA	Number	Double	Zinc, in parts per million, by atomic absorption spectrophotometry.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zn_ppm_AA/P	Number	Double	Zinc, in parts per million, by atomic absorption spectrophotometry after partial digestion.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zn_ppm_AES	Number	Double	Zinc, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zn_ppm_AES/P	Number	Double	Zinc, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion or acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zn_ppm_CM	Number	Double	Zinc, parts per million, by colorimetry.	Chem_Rx_Traces_Sc-Zr
Zn_ppm_CM/P	Number	Double	Zinc, parts per million, by colorimetry after partial digestion.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Zn_ppm_ES	Number	Double	Zinc, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zn_ppm_MS	Number	Double	Zinc, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zn_ppm_NA	Number	Double	Zinc, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Zn_ppm_XRF	Number	Double	Zinc, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zn-CV_pct_NA	Number	Double	Zinc, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr
Zr_ppm_AES	Number	Double	Zirconium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zr_ppm_AES/P	Number	Double	Zirconium, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after acid leach.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr
Zr_ppm_ES	Number	Double	Zirconium, in parts per million, by direct-current arc emission spectrography.	Chem_HMC; Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zr_ppm_GV	Number	Double	Zirconium, in parts per million, by gravimetry.	Chem_Rx_Traces_Sc-Zr
Zr_ppm_MS	Number	Double	Zirconium, in parts per million, by inductively coupled plasma-mass spectroscopy.	Chem_Rx_Traces_Sc-Zr
Zr_ppm_NA	Number	Double	Zirconium, in parts per million, by neutron activation.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zr_ppm_XRF	Number	Double	Zirconium, in parts per million, by X-ray fluorescence spectroscopy.	Chem_Rx_Traces_Sc-Zr; Chem_Sed_Mn-Zr; Chem_Soil_Mn-Zr
Zr-CV_pct_NA	Number	Double	Zirconium, coefficient of variance, in weight percent, by neutron activation.	Chem_Rx_Traces_Sc-Zr