Identification_Information: Citation: Citation_Information: Originator: Ralph R. Shroba Originator: Karl S. Kellogg Originator: Theodore R. Brandt Publication_Date: 2014 Title: Geologic map of the Granite 7.5’ quadrangle, Lake and Chaffee Counties, Colorado Edition: 1.0 Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: USGS Scientific Investigations Map Issue_Identification: SIM 3294 Publication_Information: Publication_Place: Denver, Colorado Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/sim/3294 Description: Abstract: The geologic map of the Granite 7.5’ quadrangle, Lake and Chaffee Counties, Colorado portrays the geology in the upper Arkansas valley and along the lower flanks of the Sawatch Range and Mosquito Range near the town of Granite. The oldest rocks, exposed in the southern and eastern parts of the quadrangle, include gneiss and plutonic rocks of Paleoproterozoic age. These rocks are intruded by younger plutonic rocks of Mesoproterozoic age. Felsic hypabyssal dikes, plugs, and plutons, that range in age from Late Cretaceous or Paleocene to late Oligocene, locally intruded Proterozoic rocks. A small andesite lava flow of upper Oligocene age overlies Paleoproterozoic rock, just south of the Twin Lakes Reservoir. Gravelly fluvial and fan deposits of the Miocene and lower Pliocene(?) Dry Union Formation are preserved in the post-30 Ma upper Arkansas Valley graben, a northern extension of the Rio Grande rift. Mostly north-northwest-trending faults displace deposits of the Dry Union Formation and older rock units. Light detection and ranging (lidar) imagery suggests that two short faults, near the Arkansas River, may displace surficial deposits as young as middle Pleistocene. Surficial deposits of middle Pleistocene to Holocene age are widespread in the Granite quadrangle, particularly in the major valleys and on slope underlain by the Dry Union Formation. The main deposits are glacial outwash and post-glacial alluvium; mass- movement deposits transported by creep, debris flow, landsliding, and rockfall; till deposited during the Pinedale, Bull Lake, and pre-Bull Lake glaciations; rock-glacier deposits; and placer- tailings deposits formed by hydraulic mining and other mining methods used to concentrate native gold. Hydrologic and geologic processes locally affect use of the land and locally may be of concern regarding the stability of buildings and infrastructure, chiefly in low-lying areas along and near stream channels and locally in areas of moderate to steep slopes. Low-lying areas along major and minor streams are subject to periodic stream flooding. Mass-movement deposits and deposits of the Dry Union Formation that underlie moderate to steep slopes are locally subject to creep, debris-flow deposition, and landsliding. Proterozoic rocks that underlie steep slopes are locally subject to rockfall. Sand and gravel resources for construction and other uses in and near the Granite quadrangle are present in outwash-terrace deposits of middle and late Pleistocene age along the Arkansas River and along tributary streams in glaciated valleys. Purpose: This map provides geologic information for making land-use decisions and evaluating subsurface water resources. The map was funded by the National Cooperative Geologic Mapping Program of the U.S. Geological Survey. Supplemental_Information: Map political location: Lake and Chaffee Counties, Colorado Compilation scale: 1:24,000 Base map used is the U.S. Geological Survey 7.5’ topographic quadrangle for Granite, Colorado Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2014 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: none currently planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -106.37500 East_Bounding_Coordinate: -106.25000 North_Bounding_Coordinate: 39.12500 South_Bounding_Coordinate: 39.00000 Keywords: Theme: Theme_Keyword_Thesaurus: AGI Glossary of Geology Theme_Keyword: 40Ar/39Ar age Theme_Keyword: aggregate Theme_Keyword: alluvium Theme_Keyword: amphibolite Theme_Keyword: andesite Theme_Keyword: argillic B horizon Theme_Keyword: artificial-fill deposits Theme_Keyword: Ash Hollow Formation Theme_Keyword: beach deposits Theme_Keyword: biotite gneiss Theme_Keyword: Bishop Ash Theme_Keyword: Browns Canyon Formation Theme_Keyword: Bull Lake age Theme_Keyword: Bull Lake glaciation Theme_Keyword: cambic B horizon Theme_Keyword: Cenozoic Theme_Keyword: colluvium Theme_Keyword: Creede Formation Theme_Keyword: creep Theme_Keyword: dacite Theme_Keyword: debris flows Theme_Keyword: debris-flow deposits Theme_Keyword: Denny Creek Granodiorite Theme_Keyword: Dry Union Formation Theme_Keyword: fan deposits Theme_Keyword: faulting Theme_Keyword: faults Theme_Keyword: felsic dikes Theme_Keyword: felsic porphyry Theme_Keyword: felsic plutons Theme_Keyword: fluvial deposits Theme_Keyword: Fraser basin Theme_Keyword: gabbro Theme_Keyword: glacial deposits Theme_Keyword: glaciofluvial deposits Theme_Keyword: gneiss Theme_Keyword: gold Theme_Keyword: granite Theme_Keyword: granitic gneiss Theme_Keyword: granodiorite Theme_Keyword: graben Theme_Keyword: gravel Theme_Keyword: grus Theme_Keyword: hornblende gneiss Theme_Keyword: hydraulic mining Theme_Keyword: hypabyssal rhyolite Theme_Keyword: hypabyssal rocks Theme_Keyword: hyper-concentrated flow deposits Theme_Keyword: lacustrine deposits Theme_Keyword: lake beds Theme_Keyword: landslide deposits Theme_Keyword: Lava Creek B tephra Theme_Keyword: leucogranite gneiss Theme_Keyword: lidar Theme_Keyword: loess Theme_Keyword: manmade deposits Theme_Keyword: mass-movement deposits Theme_Keyword: microtonalite Theme_Keyword: migmatite Theme_Keyword: mine-tailings deposits Theme_Keyword: monzogranite Theme_Keyword: moraine Theme_Keyword: outburst floods Theme_Keyword: outwash Theme_Keyword: overbank sediments Theme_Keyword: paleosol Theme_Keyword: paleovalley Theme_Keyword: pegmatite Theme_Keyword: periglacial Theme_Keyword: Pinedale age Theme_Keyword: Pinedale glaciation Theme_Keyword: Pojoaque Member Theme_Keyword: placer Theme_Keyword: placer-gold Theme_Keyword: placer-tailings deposits Theme_Keyword: Pleistocene Theme_Keyword: pre-Bull Lake age Theme_Keyword: pre-Bull Lake glaciation Theme_Keyword: Proterozoic bedrock Theme_Keyword: quartz monzonite Theme_Keyword: quartzite Theme_Keyword: radiocarbon age Theme_Keyword: radiometric age Theme_Keyword: rhyolite Theme_Keyword: rhyolite of Bald Mountain Theme_Keyword: rift Theme_Keyword: rock-glacier deposits Theme_Keyword: Sacagawea Ridge glaciation Theme_Keyword: sackungen Theme_Keyword: San Luis basin Theme_Keyword: scarp Theme_Keyword: sheetflood alluvium Theme_Keyword: sheetwash alluvium Theme_Keyword: siltstone Theme_Keyword: slucing Theme_Keyword: soil Theme_Keyword: solifluction Theme_Keyword: surface-exposure ages Theme_Keyword: surficial deposits Theme_Keyword: talus deposits Theme_Keyword: tephra Theme_Keyword: Tesuque Formation Theme_Keyword: till Theme_Keyword: till of Pinedale age Theme_Keyword: till of Bull Lake age Theme_Keyword: till of pre-Bull Lake age Theme_Keyword: Troublesome Formation Theme_Keyword: U-Pb zircon age Theme_Keyword: uranium-trend age Theme_Keyword: volcanic ash Theme_Keyword: volcanic rocks Theme_Keyword: Wagontongue Formation Theme_Keyword: weathering Theme_Keyword: Younger Dryas Place: Place_Keyword_Thesaurus: U.S. Board of Geographic Names (BGN) Geographic Names Information System (GNIS) Place_Keyword: USA Place_Keyword: United States Place_Keyword: Colorado Place_Keyword: Chaffee County Place_Keyword: Lake County Place_Keyword: Adobe Park Place_Keyword: Arkansas River Place_Keyword: Balltown Place_Keyword: Boswell Gulch Place_Keyword: Box Creek Place_Keyword: Buena Vista Place_Keyword: Cache Creek Place_Keyword: Clear Creek Place_Keyword: Clear Creek Reservoir Place_Keyword: Corske Creek Place_Keyword: Dry Union Gulch Place_Keyword: Granite Place_Keyword: Granite Cemetery Place_Keyword: Lake Creek Place_Keyword: Leadville Place_Keyword: Leadville mining district Place_Keyword: Lost Canyon Place_Keyword: Middle Park Place_Keyword: Nathrop Place_Keyword: Salida Place_Keyword: Sawatch Range Place_Keyword: South Park Place_Keyword: Twin Lakes Reservoir Temporal: Temporal_Keyword_Thesaurus: Geologic Names Committee Lexicon (Geolex) Temporal_Keyword: Cenozoic Temporal_Keyword: Holocene Temporal_Keyword: Mesoproterozoic Temporal_Keyword: Neogene Temporal_Keyword: Paleogene Temporal_Keyword: Paleoproterozoic Temporal_Keyword: Quaternary Temporal_Keyword: Upper Cretaceous Access_Constraints: none Use_Constraints: Users of this geospatial database and geologic information derived there from should acknowledge the U.S. Geological Survey as the source of the data. Although software enables a user to display images at various scales, map data in this report should not be used at scales greater than 1:24,000. Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Ralph R. Shroba Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing Address: P.O. Box 25046, MS 980 Address: Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Country: USA Contact_Voice_Telephone: 303-236-1292 Contact_Electronic_Mail_Address: rshroba@usgs.gov Browse_Graphic: Browse_Graphic_File_Name: http://pubs.usgs.gov/sim/3294/downloads/SIM3294_map.pdf/ Browse_Graphic_File_Description: graphic representation of map layout Browse_Graphic_File_Type: PDF Data_Set_Credit: Theodore Brandt, U.S. Geological Survey, served as primary author of the GIS database. Michael A. Cosca, U.S. Geological Survey, dated Paleogene igneous rocks using the 40Ar/39Ar method. Wayne R. Premo, U.S. Geological Survey, dated Proterozoic igneous rocks using the 207Pb/206Pb zircon (SHRIMP) method. AeroMetric, Inc. provided the Arkansas Valley, Colorado lidar Task Order data. Native_Data_Set_Environment: Windows_XP, Intel ArcInfo version 9.3.1 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Data were entered and checked by the geologist that made the field observations. The attributes of this geospatial data set consist of text identifiers and numeric codes that indicate the identity of the geologic unit or type of geologic feature, and determine how each feature is colored or symbolized. To check attribute accuracy, a color check plot was visually compared to the geologist's original compilation. Discrepancies between the digital geospatial dataset and the original analog or digital compilation were corrected as needed. Machine-created listings of unique attribute values were used to identify spelling errors or other inconsistencies, and corrections were made as needed. Logical_Consistency_Report: Map elements were visually checked for overshoots, undershoots, duplicate features, polygon closure, and other errors by the lead author and by the GIS technician(s) that created the digital database. Automated (ArcInfo) routines were also used to check the databases for polygon label errors, line or point attribution errors, sliver polygons, dangling arcs, intersection errors, and projection information. Check plots of the map were reviewed by at least one other geologist for consistency with basic geologic principles and general conformity to USGS mapping standards. Completeness_Report: Data are complete: no features that could be accurately represented at the compilation scale of 1:24,000 were eliminated or generalized. The smallest area represented is approximately 50 square meters. All geospatial database elements are attributed. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Most digitized positions on the map that depict distinct contacts between rock formations in the field are estimated to be within 20 m of the actual contact on the land in most instances. Boundaries (lines) between Quaternary units (for example, terrace gravels) that correspond closely to distinct edges of landforms (for example, river terraces) are of comparable accuracy. Boundaries (lines) between some Quaternary units, such as eolian deposits and broad alluvial aprons, are approximately located within an indefinite gradational zone between them. Horizontal positional accuracy is tested by visual comparison of hard copy test plots to source maps or comparing locations of data on a computer monitor to other data layers in the same geographic area. The database contains no elevation data. Accuracy of these digital data indirectly depends on accuracy of the base maps on which the original source geologic maps were compiled. These base maps were made by the U.S. Geological Survey, which routinely checks them for compliance with the National Map Accuracy Standards. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Lewis, R. S. Originator: Derkey, P. D. Title: Digital geologic map of part of the Thompson Falls 1:100,000 quadrangle, Idaho Publication_Date: 1999 Series_Information: Series_Name: U.S. Geological Survey Open File Report Issue_Identification: OFR 99-438 Source_Scale_Denominator: 100000 Type_of_Source_Media: paper Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1999 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: Lewis and Derkey (1999) Source_Contribution: GIS database structure source Process_Step: Process_Description: Geology was mapped during the period 1974 to 2012. Process_Date: 2012 Process_Step: Process_Description: Geology was initially compiled from aerial photographs utilizing a Kern PG-2 stereoplotter. Process_Date: 2012 Process_Step: Process_Description: Geologic polygon, line, and point features were attributed and revised in ArcGIS utilizing NAIP imagery, lidar-derived imagery and 10-foot contours. Process_Date: 2013 Process_Step: Process_Description: Metadata created by Ted Brandt. Process_Date: 2013 Process_Step: Process_Description: Metadata reviewed and revised by Ted Brandt. Process_Date: 2014 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 5 Ordinate_Resolution: 5 Planar_Distance_Units: METERS Grid_Coordinate_System: Grid_Coordinate_System_Name: Universal Transverse Mercator Universal_Transverse_Mercator: UTM_Zone_Number: 13 Transverse_Mercator: Scale_Factor_at_Central_Meridian: .9996 Longitude_of_Central_Meridian: -105.0000 Latitude_of_Projection_Origin: 0.00 False_Easting: 500000.0000 False_Northing: 0.0000 Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4 Denominator_of_Flattening_Ratio: 294.98 Entity_and_Attribute_Information: Overview_Description: Entity_and_Attribute_Overview: The data are supplied in ArcInfo export format, ArcView shapefile format, and ArcGIS geodatabase format. DATABASE STRUCTURE - ArcInfo ==================================== This GIS database includes related look-up tables, which store detailed attribute information. This database structure is more fully described in USGS OFR 99-438 (Lewis and Derkey, 1999). The GIS database structure used in the database includes symbol and pattern items in coverage point, polygon (PAT), and arc (AAT) attribute tables for user convenience. ArcInfo relates for each coverage are saved in a file named .rel. Use the RELATE command with the restore argument at the arc prompt to make the relates active. Alternatively, in ArcTools, use the Relate environment: open dialog in the Manage Relates flyout menu under the ArcTools menu to make the relates active. grangeo coverage: Contains all contact lines and label points for each geologic polygon. In the .pat INFO file the SOURCE item provides a numeric code used to identify the data source for the rock unit. Complete references for the sources listed are listed in the grangeo.ref file. The LABEL item indicates the rock unit label (abbreviation) used to label unit on map. The MLABEL item indicates the rock unit label from the FGDCGeoAgeSubNum font, using geologic age letter symbols associated with the age of the lithologic units (for example: Triassic, Pennsylvanian, Cambrian). The DESC item defines formal or informal unit name. The SYMBOL item contains the shadeset symbol number used by ArcInfo to plot a filled/shaded polygon. The symbol numbers in this item refer to the wpgcmykg.shd shadeset included with the dataset. The PATTERN item contains the pattern number used in the published version of the map. Patterns that correspond with the pattern numbers are displayed in Federal Geographic Data Committee document no. FGDC- STD-013-2006, rev. 2010. There is no ArcInfo shadeset that corresponds to these patterns. In the grangeo.aat INFO file, the LINECODE item provides a numeric Code used to identify type of linear feature. Linecodes less than 100 are used for contacts and boundaries that are described in the grangeo.con file. Linecodes greater than 100 are used for structures that are described in the grangeo.str file. The NAME item lists the name given to the structural feature. The SOURCE item lists the numeric code used to identify the data source for the linear feature. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset). Complete references for the sources are listed in the grangeo.ref file. Related look-up table files are grangeo.con, grangeo.str, and grangeo.ref. In the grangeo.con INFO file, the LINECODE item indicates the numeric code (a value less than 100) used to identify type of contact or boundary. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset included with the dataset). The TYPE item lists the major type of line (for example, contact, State boundaries, lines of latitude and longitude used for neatlines). The MODIFIER item lists the line type modifier (that is, approximate, concealed, or gradational). No entry implies 'known.' The CERTAINTY item lists the degree of certainty of contact or boundary (that is, inferred or uncertain). No entry implies 'certain.' The DESC item lists the written description or explanation of the contact or boundary. In the grangeo.str INFO file, the LINECODE item indicates the numeric code (a value greater than 100) used to identify type of structure. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset included with the dataset). The TYPE item lists the major type of line (for example, fault or fold-axis). The HORIZONTAL item refers to the type of horizontal fault movement (for example, left-lateral or right-lateral). No entry implies 'unknown' or no strike-slip movement. The VERTICAL item refers to the type of vertical fault movement (for example, normal). No entry implies 'unknown' or no dip-slip movement. The FOLD item refers to the type of fold (for example, anticline or syncline). The PLUNGE item refers to the type of plunge on fold (that is, horizontal, plunging, plunging in, or plunging out). The ACCURACY item refers to the line type modifier indicating degree of accuracy (that is, approximately located, concealed, gradational). No entry implies 'certain.' The CERTAINTY item lists the degree of certainty of structure (that is, inferred, uncertain). No entry implies 'certain.' The DESC item lists the written description or explanation of the structure. The INFO structure of these files is listed below: >GRANGEO.PAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 GRANGEO# 4 5 B - > 21 GRANGEO-ID 4 5 B - > 25 SOURCE 4 4 I - > 29 LABEL 10 10 C - > 39 MLABEL 10 10 C - > 49 DESC 150 150 C - > 199 SYMBOL 3 3 I - > 202 PATTERN 4 4 I - >GRANGEO.AAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 FNODE# 4 5 B - > 5 TNODE# 4 5 B - > 9 LPOLY# 4 5 B - > 13 RPOLY# 4 5 B - > 17 LENGTH 8 18 F 5 > 25 GRANGEO# 4 5 B - > 29 GRANGEO-ID 4 5 B - > 33 LINECODE 3 3 I - > 36 NAME 150 150 C - > 186 SOURCE 4 4 I - > 190 SYMBOL 3 3 I - >GRANGEO.CON: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 LINECODE 3 3 I - > 4 SYMBOL 3 3 I - > 7 TYPE 10 10 C - > 17 MODIFIER 20 20 C - > 37 CERTAINTY 15 15 C - > 52 DESC 100 100 C - >GRANGEO.STR: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 LINECODE 3 3 I - > 4 SYMBOL 3 3 I - > 7 TYPE 10 10 C - > 17 HORIZONTAL 20 20 C - > 37 VERTICAL 20 20 C - > 57 FOLD 15 15 C - > 72 PLUNGE 15 15 C - > 87 ACCURACY 15 15 C - > 102 CERTAINTY 15 15 C - > 117 DESC 100 100 C - > GRANGEO.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - grandike coverage: Contains lines of dikes In the grandike.aat INFO file, the LINECODE item provides a numeric code used to identify the type of linear feature. Linecodes are used for structures that are described in the grandike.str file. The NAME item lists the name given to the structural feature. The SOURCE item lists the numeric code used to identify the data source for the linear feature. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line (symbol numbers refer to the geol_sfo.lin lineset). Complete references for the sources are listed in the grandike.ref file. Related look-up table files are grandike.str, and grandike.ref. In the grandike.str INFO file, the LINECODE item indicates the numeric code (a value greater than 100) used to identify type of structure. The SYMBOL item lists the line symbol number used by ArcInfo to plot the line(symbol numbers refer to the geol_sfo.lin lineset included with the dataset). The TYPE item lists the major type of line (for example, fault or fold- axis). The HORIZONTAL item refers to the type of horizontal fault movement (for example, left-lateral or right-lateral). No entry implies 'unknown' or no strike-slip movement. The VERTICAL item refers to the type of vertical fault movement (for example, normal). No entry implies 'unknown' or no dip-slip movement. The FOLD item refers to the type of fold (for example, anticline or syncline). The PLUNGE item refers to the type of plunge on fold (that is, horizontal, plunging, plunging in, or plunging out). The ACCURACY item refers to the line type modifier indicating degree of accuracy (that is, approximately located, concealed, gradational). No entry implies 'certain.' The CERTAINTY item lists the degree of certainty of structure (that is, inferred, uncertain). No entry implies 'certain.' The DESC item lists the written description or explanation of the structure. >GRANDIKE.AAT: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 FNODE# 4 5 B - > 5 TNODE# 4 5 B - > 9 LPOLY# 4 5 B - > 13 RPOLY# 4 5 B - > 17 LENGTH 8 18 F 5 > 25 GRANDIKE# 4 5 B - > 29 GRANDIKE-ID 4 5 B - > 33 LINECODE 3 3 I - > 36 NAME 150 150 C - > 186 SOURCE 4 4 I - > 190 SYMBOL 3 3 I - > >GRANDIKE.STR: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 LINECODE 3 3 I - > 4 SYMBOL 3 3 I - > 7 TYPE 10 10 C - > 17 HORIZONTAL 20 20 C - > 37 VERTICAL 20 20 C - > >GRANDIKE.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - granage coverage: Contains points recording site-specific observations and measurements of the location and age of dated rock. In the granage.pat INFO file, the PTTYPE item lists the type of Point symbol (for example, strike and dip of inclined bedding). The SYMBOL item lists the marker symbol used by ArcInfo to identify the type of structural map symbol(symbol numbers refer to the geoscamp2.mrk markerset). The SAMPLENO item contains the sample number/station ID of dated rock samples. The AGE item contains rock-sample ages followed by the measurement tolerances. Both of these values are expressed in Ma. The SOURCE item lists the numeric code used to identify the data source. In the granage.ref INFO file, the SOURCE item lists the numeric code used to identify the data source. The SCALE item lists the scale of the source map. (This value is the denominator of the proportional fraction that identifies the scale of the map that was digitized or scanned to produce the digital map.) The AUTHORS item lists the author(s) or compiler(s) of source map entered as last name, first name or initial, and middle initial. The YEAR item lists the source (map) publication date. The REFERENCE item lists the remainder of the reference in USGS reference format. >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 GRANAGE# 4 5 B - > 21 GRANAGE-ID 4 5 B - > 25 PTTYPE 100 100 C - > 125 SAMPLENO 100 100 C - > 225 AGE 100 100 I - > 325 SYMBOL 3 3 I - > 328 SOURCE 4 4 I - > >GRANAGE.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - granpts coverage: Contains points recording site-specific observations and measurements, such as strike and dip of bedding In the granpts.pat INFO file, the PTTYPE item lists the type of Point symbol (for example, strike and dip of inclined bedding). The SYMBOL item lists the marker symbol used by ArcInfo to identify the type of structural map symbol(symbol numbers refer to the geoscamp2.mrk markerset). The STRIKE item contains the strike of bedding as well as bearing of lineation or trend of fold axis, where applicable. Strike is an azimuthal angle. Measured in degrees from 0 to 360 in a clockwise direction from North, the STRIKE value also specifies the dip direction, where the dip direction is 90 degrees clockwise relative to the STRIKE. The DIP item contains the dip of bedding as well as plunge angles, where applicable. This value is an angle measured (in degrees from 0 to 90) down from the horizontal; thus a horizontal dip is 0 degrees and a vertical dip is 90 degrees. The SOURCE item lists the numeric code used to identify the data source. In the granpta.ref INFO file, the SOURCE item lists the numeric code used to identify the data source. The SCALE item lists the scale of the source map. (This value is the denominator of the proportional fraction that identifies the scale of the map that was digitized or scanned to produce the digital map.) The AUTHORS item lists the author(s) or compiler(s) of source map entered as last name, first name or initial, and middle initial. The YEAR item lists the source (map) publication date. The REFERENCE item lists the remainder of the reference in USGS reference format. >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 GRANPTS# 4 5 B - > 21 GRANPTS-ID 4 5 B - > 25 PTTYPE 100 100 C - > 125 SYMBOL 3 3 I - > 128 STRIKE 3 3 I - > 131 DIP 3 3 I - > 134 SOURCE 4 4 I - > >GRANPTS.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - granpta coverage: Contains points recording site-specific observations and measurements of lineation, such as mineral lineation. In the granpta.pat INFO file, the PTTYPE item lists the type of Point symbol (for example, strike and dip of inclined bedding). The SYMBOL item lists the marker symbol used by ArcInfo to identify the type of structural map symbol(symbol numbers refer to the geoscamp2.mrk markerset). The STRIKE item contains the strike of bedding as well as bearing of lineation or trend of fold axis, where applicable. Strike is an azimuthal angle. Measured in degrees from 0 to 360 in a clockwise direction from North, the STRIKE value also specifies the dip direction, where the dip direction is 90 degrees clockwise relative to the STRIKE. The DIP item contains the dip of bedding as well as plunge angles, where applicable. This value is an angle measured (in degrees from 0 to 90) down from the horizontal; thus a horizontal dip is 0 degrees and a vertical dip is 90 degrees. The SOURCE item lists the numeric code used to identify the data source. In the granpta.ref INFO file, the SOURCE item lists the numeric code used to identify the data source. The SCALE item lists the scale of the source map. (This value is the denominator of the proportional fraction that identifies the scale of the map that was digitized or scanned to produce the digital map.) The AUTHORS item lists the author(s) or compiler(s) of source map entered as last name, first name or initial, and middle initial. The YEAR item lists the source (map) publication date. The REFERENCE item lists the remainder of the reference in USGS reference format. >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 AREA 8 18 F 5 > 9 PERIMETER 8 18 F 5 > 17 GRANPTA# 4 5 B - > 21 GRANPTA-ID 4 5 B - > 25 PTTYPE 100 100 C - > 125 SYMBOL 3 3 I - > 128 STRIKE 3 3 I - > 131 DIP 3 3 I - > 134 SOURCE 4 4 I - > >GRANPTA.REF: > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 SOURCE 4 4 I - > 5 SCALE 8 8 I - > 13 AUTHORS 200 200 C - > 213 YEAR 4 4 I - > 217 REFERENCE 250 250 C - granlihl grid: Contains hillshade values derived from U.S. Geological Survey lidar 1 meter resolution elevation data flown by AeroMetric, Inc. on 9-9-2010 using the U.S. Geological Survey National Geospatial Program Base lidar Specification, Version 1.3. The area of this composite dataset depicted in Figure 1 showing area not covered by lidar data contains hillshade values derived from U.S. Geological Survey National Elevation Dataset (NED) 10 meter resolution elevation data. The grid's projection is the same UTM zone 13 NAD27 datum projection used for the geologic database coverages. The shaded relief depicted on one of the versions of the geologic map is generated from the grid’s composite hillshade imagery. The illumination angle for the hillshade's shaded relief grid was generated at an azimuth of 315 degrees and horizon angle of 45 degrees. In the integer grid's granlihl.vat INFO file, the VALUE item lists integer values that describe the illumination level of a cell or group of cells forming a zone. The COUNT item list the number of cells in a zone. In the grid's granlihl.sta INFO file, the MIN item contains the minimum value, the MAX item contains the maximum value, the MEAN item contain the average value, and the STDV item contains the standard deviation. >GRANLIHL.VAT > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 VALUE 4 10 B - > 5 COUNT 4 10 B - >GRANLIHL.STA > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 MIN 8 15 F 3 > 9 MAX 8 15 F 3 > 17 MEAN 8 15 F 3 > 25 STDV 8 15 F 3 granhlsd grid: Contains hillshade values derived from U.S. Geological Survey National Elevation Dataset (NED) 10 meter resolution elevation data. The grid is included for GIS data users needing a hillshade of this resolution for the entire map area. The grid's projection is the same UTM zone 13 NAD27 datum projection used for the geologic database coverages. The illumination angle for the hillshade's shaded relief grid was generated at an azimuth of 315 degrees and horizon angle of 45 degrees. In the integer grid's granhlsd.vat INFO file, the VALUE item lists integer values that describe the illumination level of a cell or group of cells forming a zone. The COUNT item list the number of cells in a zone. In the grid's granhlsd.sta INFO file, the MIN item contains the minimum value, the MAX item contains the maximum value, the MEAN item contain the average value, and the STDV item contains the standard deviation. >GRANHLSD.VAT > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 VALUE 4 10 B - > 5 COUNT 4 10 B - >GRANHLSD.STA > >COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME > 1 MIN 8 15 F 3 > 9 MAX 8 15 F 3 > 17 MEAN 8 15 F 3 > 25 STDV 8 15 F 3 >Coding of LABEL and DESC attributes in the grangeo coverage: >LABEL | DESC >Nd | Dry Union Formation (lower Pliocene? and Miocene) >PeKi | Felsic porphyry intrusive (Paleocene or Late Cretaceous) >Pedt | Microtonalite (late Oligocene?) >Perc | Hypabyssal rhyolite of Clear Creek (late Oligocene) >Peva | Vesicular andesite flow (upper Oligocene) >Pewf | Felsic plutons and dikes of Winfield Peak and Middle Mountain of Fridrich and others (1998) (middle Eocene) >Qac | Alluvium and colluvium, undivided (Holocene to middle? Pleistocene) >Qb | Beach deposits (latest Holocene) >Qc | Colluvium (Holocene to middle? Pleistocene) >Qc/Nd | Colluvium over Dry Union Formation >Qc/Nd? | Colluvium over Dry Union Formation, uncertain >Qf | Fan deposits (Holocene to middle? Pleistocene) >Qls | Landslide deposits (Holocene to middle? Pleistocene) >Qls? | Landslide deposits, uncertain (Holocene to middle? Pleistocene) >Qobo | Outwash of Bull Lake age Older unit (middle Pleistocene) >Qoby | Outwash of Bull Lake age Younger unit (late and middle Pleistocene) >Qoeo | Outwash of pre-Bull Lake age Older unit (middle Pleistocene) >Qoey | Outwash of pre-Bull Lake age Younger unit (middle Pleistocene) >Qopo | Outwash of Pinedale age Older unit (late Pleistocene) >Qopo? | Outwash of Pinedale age Older unit, uncertain (late Pleistocene) >Qopy | Outwash of Pinedale age Younger unit (late Pleistocene) >Qopy? | Outwash of Pinedale age Younger unit, uncertain (late Pleistocene) >Qrg | Rock-glacier deposits (early Holocene? and latest Pleistocene?) >Qsw | Sheetwash alluvium (Holocene and late Pleistocene) >Qsw/Nd | Sheetwash alluvium over Dry Union Formation >Qta | Talus deposits (Holocene to middle? Pleistocene) >Qtb | Till of Bull Lake age (late and middle Pleistocene) >Qte | Till of pre-Bull Lake age (middle Pleistocene) >Qtpo | Till of Pinedale age Older unit (late Pleistocene) >Qtpy | Till of Pinedale age Younger unit (late Pleistocene) >Qva | Valley-floor alluvium (Holocene and latest Pleistocene?) >Xb | Biotite gneiss (Paleoproterozoic) >Xgb | Gabbro (Paleoproterozoic) >Xgg | Granitic gneiss (Paleoproterozoic) >Xhg | Hornblende gneiss and amphibolite (Paleoproterozoic) >Xlg | Leucogranite gneiss (Paleoproterozoic) >YXp | Pegmatite (Mesoproterozoic and (or) Paleoproterozoic) >Ygl | Monzogranite of Langhoff Gulch (Mesoproterozoic) >Yglf | Monzogranite of Langhoff Gulch, strongly foliated phase (Mesoproterozoic) >Ygr | Monzogranite and quartz monzonite (Mesoproterozoic) >Ygrg | Granite of Granite (Mesoproterozoic) >af | Artificial-fill deposits (latest Holocene) >mt | Mine-tailings deposits (latest Holocene) >pt | Placer-tailings deposits (latest Holocene) >w | Open water >Coding of LINECODE and NAME attributes in the grangeo coverage: >LINECODE | NAME >1 | Contact - Certain >2 | Contact - Approximately located >32 | Fluvial scarp - Certain >35 | Crest line of moraine - Certain >41 | Shoreline >65 | Toe of inactive solifluction deposits, deposits formed by downslope flowage in larger alpine area near head of Lost Canyon - Approximately located >81 | Map boundary >101 | Fault - Certain >102 | Fault - Approximately located >103 | Fault - Concealed >111 | Normal fault - Certain >112 | Normal fault - Approximately located >113 | Normal fault - Concealed >302 | Shear zone - Approximately located >511 | Landslide scarp - Certain >528 | Lineament - Certain >536 | Normal fault – Inferred >Coding of LINECODE and NAME attributes in the grandike coverage: >LINECODE | NAME >505 | Pewf dike - Certain >505 | PeKr dike - Certain >Coding of PTTYPE attributes in the granage coverage: >PTTYPE >Location and age of dated rocks – With sample number and radiometric age >Coding of PTTYPE attributes in the granpts coverage: >PTTYPE >Fault attitude - Showing strike and dip >Inclined bedding - Showing strike and dip >Inclined foliation - Showing strike and dip >Vertical foliation - Showing strike >Coding of PTTYPE attributes in the granpta coverage: >PTTYPE >Inclined lineation - Showing bearing and plunge Auxiliary files: geol_sfo.lin: This lineset file defines geologic line types in the geologically themed coverages. geoscamp2.mrk: This markerset file defines the geologic markers in the geologically themed coverages. wpgcmykg.shd: This shadeset file defines the cmyk values of colors assigned to polygons in the geologically themed coverages. 3294_map.pdf: A print optimized file for viewing and printing a graphics version of the map and accessory elements using Adobe Acrobat viewing software (version 11.0). (Adobe Acrobat viewing software is free and can be downloaded at the following URL: http://get.adobe.com/reader/ Entity_and_Attribute_Detail_Citation: http://wrgis.wr.usgs.gov/open-file/of99-438/ Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: USGS Information Services Address: Box 25286 Address: Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Contact_Voice_Telephone: 1-(888)-ASK-USGS Contact_Electronic_Mail_Address: http://ask.usgs.gov Resource_Description: Scientific Investigations Map 3294 Distribution_Liability: This database, identified as SIM 3294, has been approved for release and publication by the U.S. Geological Survey. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the U.S. Government may be held liable for any damages resulting from its authorized or unauthorized use. Although these data have been processed successfully on a computer System at the U.S. Geological Survey (USGS), no warranty, expressed or implied is made regarding the display or utility of the data on any other system, or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. The USGS shall not be held liable for improper or incorrect use of the data described and/or contained herein. Although this information product, for the most part, is in the public domain, it also contains copyrighted material as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE,SHP,GDB Format_Version_Number: 9.3.1 Format_Version_Date: 2010 File_Decompression_Technique: In Windows, use WinZip (http://www.winzip.com/) or other programs to extract the file. Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/sim/3294/ Fees: none Metadata_Reference_Information: Metadata_Date: 2013 Metadata_Review_Date: 2013 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Theodore Brandt Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: U.S. Geological Survey Address: MS 980, Box 25046 Denver Federal Center City: Denver State_or_Province: CO Postal_Code: 80225-0046 Contact_Voice_Telephone: 303-236-1901 Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998