Geologic datasets for weights-of-evidence analysis in northeast Washington--2. Mineral databases

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/99-384/metadata.faq.html
Description Digital mineral databases are necessary to carry out weights-of-evidence modeling of mineral resources for epithermal gold and carbonate-hosted lead-zinc deposits in northeast Washington. This report describes four digital data sets (presented as separat
Originators Boleneus, David E.
Publication U.S. Geological Survey Open-File Report OF99-384

Related topics

States or counties

Overview of attributes

The data consists of five worksheets in the Excel97 file,
"of99-384.xls".
Definitions of attributes in Excel97 file, of99-384.xls:
The following eight field names/items/column headers are
common to Tables 1, 2, 3, 4, and 5:
1. No.-- Record number in table
2. Site name -- Name used in MRDS or MAS/MILS databases
3. MRDS ID NO. -- MRDS identifier number, 1st
or 2nd digit are letters, followed by numbers
4. MAS ID NO.-- MAS identifier number, a 10-digit number
5. Latitude -- Latitude location of the site as cited in
the database in decimal degrees. If the latitude was not
cited, then it was calculated from the township, range and
section using the Wefald script.
6. Longitude--Longitude location of the site as cited in
the database in decimal degrees.  If the longitue was not
cited, then it was calculated from the township, range and
section using the Wefald script.
7. County -- County in which site/deposit is located.
8. State -- State in which site/deposit is located.
Other field names/items/column headers used in
of99-384.xls:
9. Commodities present -- Elements/mineral commodities
present
10. USGS Model -- Name and number of USGS mineral
deposit-type model (Berger, 1992; Briskey, 1992;
Mosier, Sato, Page, Singer, and Berger, 1992;
Mosier, Singer, and Berger, 1992)
11. Production size -- Qualifier of quantity of ore
produced
12. Development status -- Status of exploration or
development at the site
13. District -- Mining district name
14. Tons produced -- Short tons of all historical ore
produced (estimated from Derkey, Joseph and Lasmanis,
1990)
15. Township -- Township and direction (N=north)
16. Range -- Range and direction (E=east)
17. Section -- Section(s)
18. Table -- item in Table 5 indicating in which table
(either Table 1, 2, 3, or 4) the site is described.
Table 1. Training sites for epithermal gold model
File name: of99-384.xls; sheet name: Trainsites_epith
The training sites consist of a collection of sites
(either mines, prospects or occurrences) selected from
MRDS or MAS/MILS database because of their epithermal
gold-like characteristics. Sites were qualified for the
epithermal gold model if they met the selection criteria
below for any of the USGS models for Au-Ag hot spring, 25a
(Berger, 1992), Creede epithermal veins, 25b (Mosier et
al., 1992), or Comstock epithermal veins, 25c (Mosier,
Singer and Berger, 1992). Minimum selection criteria are
a) Sites are spatially associated with Eocene volcanic or
hypabyssal rocks and b) Sites contain gold in quartz veins
or disseminations.
Table 2. Placer gold sites
File name: of99-384.xls; sheet name: Placer_gold_sites
Placer gold sites -- Indicates locations of mines or
prospects of placer gold exploration or development.
Selection criteria for the 67 sites obtained from MRDS and
MAS/MILS were a)"gold" is the primary commodity and b)
"placer" was indicated by the name, deposit type, or
modifier of commodity.  See definition of attributes from
Table 1.
Table 3. Training sites for carbonate-hosted lead-zinc
model
File name: of99-384.xls; sheetname: Trainsites_PbZn
The training sites consist of sites (mines, prospects or
occurrences) selected from MRDS or MAS/MILS, because they
exhibit characteristics of explored or developed
carbonate-hosted lead-zinc deposits. Sites were qualified
as carbonate-hosted lead-zinc deposits if they met the
selection criteria below for the USGS model for
carbonate-hosted lead-zinc deposits (Briskey, 1992).
Minimum criteria by which the 11 mines were selected are
a) lead and zinc are the primary commodities; b) the
deposit is either strataform, pipe-like, or breccia in
form or replacement in nature; c) the deposit occurs
within strata of either the Maitlen Phyllite of Cambrian
age, the Metaline Formation of Cambro-Ordovician age, or
the Ledbetter Slate of Ordovician age; and d) the mine has
produced more than 100,000 tons of ore.
Table 4. Small lead-zinc mines and prospects
File name: of99-384.xls; sheet name: Small_PbZn_Mines
Smaller deposits described as carbonate-hosted lead-zinc
deposits are those where no ore was produced or had total
production up to 100,000 tons. These smaller deposits were
selected using the selection criteria used for training
sites of carbonate-hosted lead-zinc deposits (Briskey,
1992) with the exception that the deposits from this group
were selected because they had no commercial production or
produced 100,000 tons or less of ore.
Table 5. Township and range location for sites
File name: of99-384.xls; sheet name: Township_location
The township-range-section and latitude-longitude
locations in this table are taken from the databases. For
those not available, the Wefald script was used to
calculate from available data. Some sites were checked
against those listed by the Washington Department of
Natural Resources (Derkey, R.E., Joseph, N.L., and
Lasmanis, R., 1990)

http://pubs.usgs.gov/of/1999/0384a/