U.S. Geological Survey Data Series 182, usSEABED: Pacific Coast Offshore Surficial-Sediment Data Release, version 1.0
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| Table 5. Facies (FAC) and their component makeup |
|
Facies values are determined by a combination of components and their mined values from word-based descriptions. Numeric textural, geochemical, and geophysical information held in PRS data files. Values represent memberships to fuzzy sets, given as percents. A minimum of 30 percent component presence is required to trip a given facies, and a component may trip more than one facies. See the PAC_FAC file for actual data, and table 4 for component information. Facies notes presence only, not absence. |
| Field Name | Parameter | Data Format, units | Information/ triggering components |
|---|---|---|---|
| Latitude | Latitude | Decimal 00.00000 | Decimal degrees, 90° to -90° range |
| Longitude | Longitude | Decimal 000.00000 | Decimal degrees, -180° to 180° range |
| WaterDepth | Water depth | Integer 00000 | Meters |
| SampleTop | Sample top | Decimal 000.00 | Meters below seabed surface |
| SampleBase | Sample base | Decimal 000.00 | Meters below seabed surface |
| SiteName | Site name | Character XXX: XXX | Survey or laboratory code for the sampling site |
| DataSetKey | Dataset number key | Integer 000 | Relational key to data source (SRC) file; SRC file contains links to source metadata |
| SiteKey | Site number key | Integer 0000000 | Relational key to other data files. Each site counted sequentially as total output; core data may have more than one sample per site. |
| SampleKey | Sample number key | Integer 0000000 | Relational key to other data files. Each site counted sequentially as total output; Multiple samples may be at each site (i.e., in core). |
| Terrigenous | Terrigenous | (%) | Fld, hvy_min, maf, mica, qtz, trrg |
| Carbonate | Carbonate | (%) | Calcrst, calct, carb, dolmt, limstn, sidrt |
| Igneous | Igneous | (%) | Andest, baslt, gbbro, granit, ign_rck, umafic |
| Volcanic | Volcanic | (%) | Baslt, pumc, vol_rck, volgls, volrck, volsed |
| Metamorphic | Metamorphic | (%) | Bluschst, gniss, grnschst, met, schst, slte |
| Mineralized | Mineralized | (%) | Barit, metlif, phspht, pyrt, sulf |
| AuthFeMn | Authigenic Fe Mn | (%) | Mn_crust, mn_nod, mnoxd, ferug |
| Ooze | Ooze | (%) | Ooz, calc_ooz, sil_ooz |
| Carbon | Carbon | (%) | Coal, bitumn, orgcbn, peat |
| GeochemSignal | Geochemical signal | (%) | Gas, h2s, hydrt, methne, odr, oil |
| Forams | Forams | (%) | Aren_frm, bnth_frm, frm, lrg_frm, plnk_frm |
| OtherCalcPelag | Other calcareous pelagics | (%) | Nan, ptr, calc_ooz |
| SilcPelag | Siliceous pelagics | (%) | Diat, rad, sil_ooz |
| Shell | Shell | (%) | Shl, shl_dbr |
| Coral | Coral | (%) | Crl, crl_dbr, crlrf, sol_crl |
| HardPlant | Hard plants | (%) | C_alg, coralgl, crnalg, halmda |
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last modified 25 May 2006 (jar)