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Swan Lake Copper - Silver Occurrence

Occurrence in Lake county in Montana, United States with commodities Copper, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10010508
MRDS ID D004250
Record type Site
Current site name Swan Lake Copper - Silver Occurrence

Geographic coordinates

Geographic coordinates: -113.88041, 47.95406 (WGS84)
Elevation 975
Relative position 1.4 MI. NW OF SWAN LAKE

Site location context

Political divisions (FIPS codes)

Lake(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Yew Creek(quadrangle 1:24,000 scale)

Swan Peak(quadrangle 1:100,000 scale)

Choteau(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Swan(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Flathead National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Montana Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 025N 018W 04 Montana

Comments on the location information

  • OCCURRENCE FOUND IN A HIGHWAY CUT. EXACT LOCATION UNCERTAIN

Commodities

Commodity Importance
Copper Tertiary
Silver Tertiary

Materials information

Materials Type of material
Malachite Ore

Analytical data

Result SAMPLE ASSAYED 1.16% CU, AND 0.55 OZ AG/TON

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Grinnell Argillite
    Rock description Grinnell Argillite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -113.88041, 47.95406
ListMap

Economic information

Ore body information

  • Thickness 0.03M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: JOHNS, WILLIS M., 1964, MONTANA BUREAU OF MINES AND GEOLOGY BULL. 42, P. 49

  • Deposit

    JOHNS, WILLIS M., 1964, PROGRESS REPORT ON GEOLOGIC INVESTIGATIONS IN THE KOOTENAI - FLATHEAD AREA, NORTHWEST MONTANA. 6. SOUTHEASTERN FLATHEAD COUNTY AND NORTHERN LAKE COUNTY: MONTANA BUREAU OF MINES AND GEOLOGY BULL. 42, P. 4

General comments

Subject category Comment text
Deposit DEPOSIT CONSISTS OF A 1/4 INCH VEINLET OF POWDERY MALACHITE FOLLOWING BEDDING IN ARGILLITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Starritt, Bruce C. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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