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Modoc and American Flag Claims

Past Producer in Granite county in Montana, United States with commodities Gold, Copper, Barium-Barite
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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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10071359
MRDS ID W014699
Record type Site
Current site name Modoc and American Flag Claims
Related records 10173374

Geographic coordinates

Geographic coordinates: -113.17091, 46.27961 (WGS84)
Elevation 2512
Relative position 3KM S OF FRED BURR LAKE.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fred Burr Lake(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006N 013W 13 SW OF NW Montana

Comments on the location information

  • N OF HANNAH MINE ON SADDLE BETWEEN THE VALLEYS OF FL1NT AND WARM SPRINGS CR. ; INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Gold Ore
Barite Gangue
Calcite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Hasmark Formation
    Rock description Hasmark Formation

Nearby scientific data

(1) -113.17091, 46.27961
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Philipsburg Batholith
Type of structure Local
Structure description Philipsburg Batholith

Ore body information

  • General form TABULAR
    Strike N 40 E
    Dip 80 SE

Controls for ore emplacement

  • Philipsburg Batholith

Comments on the geologic information

  • COARSE GRANODIORITE OF PHILIPSBURG BATHOLITH IN CONTACT WITH STRONGLY ALTERED LIMESTONE. GRANODIORITE NEAR CONTACT CONTAINS CALCITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Red Lion-Hidden Lake District

Land status

Ownership category National Forest

Comments on the production information

  • SOME ORE HAS BEEN MILLED IN AN ARRASTRE

Comments on the workings information

  • MAY BE ON EXTENSION OF RED LION VEIN. CROSSCUT DRIVEN FROM WARM SPRING CREEK WESTWARD TO REACH ORE IN DEPTH BUT WAS INACCESSIBLE IN 1906 SEVERAL SHALLOW SHAFTS, SHORT TUNNELS, TRENCHES

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit BORDER OF PHILIPSBURG BATHOLITH PASSES THROUGH CLAIM, A FISSURE WHICH PARALLELS THE RED LION VEIN. AN ALTERED ZONE ON THE MODOC CLAIM IS 30-75 FT WIDE, STRIKES N 40 E AND IS EXPOSED IN SEVERAL PLACES FOR A DISTANCE OF SEVERAL HUNDRED FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Krohn, Douglas H. U.S. Geological Survey
Updater 01-NOV-1980 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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

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