Lode mineral deposits are defined as points. The following items are attached to each point:

Database fields for LODEDEP points Field Description
SYMBOL symbol number
DEPOSIT_NA deposit name
LATDD latitude (in decimal degrees)
LONGDD longitude (in decimal degrees)
MAP_ROW quadrant row number of deposit
MAP_COL_ quadrant column number of deposit
NO_IN_SECT deposit number
DEPOSIT_TY deposit type
COMMODITIE deposit commodity
BELT_METAL name of metallogenic belt in which deposit is located
METALLOGEN class of metallogenic belt in which deposit is located
ABBREVNAME metallogenic belt code
BELT_NAME1 full name of metallogenic belt in which deposit is located
BELT_NAME2 rest of full name of metallogenic belt in which deposit is located
QUADNUMBER unique deposit identifier made up of combined values
of MAP_ROW, MAP_COL_, and NO_IN_SECT
DXF-LAYER description code (see table below)

Original Circumpolar Map projection parameters Parameter Value
Type Lambert Azimuthal Equal-Area projection
Units metres
Spheroid Clarke, 1866
Projection origin 175 00 00 W (central meridian)
70 00 00 N
False origin (easting, northing)=(0, 0)
Radius 6370997 m

Open File release:

Title

Mineral deposit and metallogenic belt maps
of the Russian Far East, Alaska,
and the Canadian Cordillera
USGS: Open File Report 97-161
GCS: Open File 3446

The preparation of the digital data and the maps was accomplished under the auspices of the Cartography Section of the Geoscience Information Division (GID), Natural Resources Canada.

Recommended citation
Recommended citation Nokleberg, W.J., West, T.D., Dawson, K.M., Shpikerman, V.I., Bundtzen, T.K., Parfenov, L.M., Monger, J.W.H., Ratkin, V.V., Baranov, B.V., Byalobzhesky, S.G., Diggles, M.F., Eremin, R.A., Fujita, Kazuya, Gordey, S.P., Gorodinskiy, M.E., Goryachev, N.A., Feeney, T.D., Frolov, Y.F., Grantz, Arthur, Khanchuck, A.I., Koch, R.D., Natalin, B.A., Natapov, L.M., Norton, I.O., Patton, W.W., Jr., , Plafker, George, Pozdeev, A.I., Rozenblum, I.S., Scholl, D.W., Sokolov, S.D., Sosunov, G.M., Stone, D.B., Tabor, R.W., Tsukanov, N.V., and Vallier T.L.
1998: Summary terrane, mineral deposit, and metallogenic belt maps of the Russian Far East, Alaska, and the Canadian Cordillera (CD-ROM): U.S. Geological Survey Open-File Report 98-136 (CD-ROM).

Assistance

Questions, suggestions, and comments regarding this CD-ROM should be addressed to:

Warren Nokleberg
U.S. Geological Survey

Telephone
650-329-5732

FAX
650-329-5490

e-mail
wnokleberg@isdmnl.wr.usgs.gov