1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Bryant

Past Producer in Granite county in Montana, United States with commodities Silver, Manganese
Map
XML
JSON
KML
B
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10019449
MRDS ID DC10504
Record type Site
Current site name Bryant
Alternate or previous names Lady Bryant, Seal Rock

Geographic coordinates

Geographic coordinates: -113.27203, 46.33183 (WGS84)
Relative position ABOUT 0.25 MI SW OF TOWER.

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Philipsburg(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flint-Rock(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N 013W 30 Montana

Comments on the location information

  • ON THE DIVIDE BETWEEN CAMP CREEK AND CLIFF GULCH.

Commodities

Commodity Importance
Silver Primary
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Silver Ore
Wad Ore
Quartz Gangue

Alteration

  • (Local) Oxidized

Analytical data

Result 45% MN AND NOT MORE THAN 17% SIO2, AVERAGE MN IS 38%

Host and associated rocks

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

Nearby scientific data

(1) -113.27203, 46.33183
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Philipsburg Batholith
Type of structure Local
Structure description Philipsburg Anticline, Philipsburg Overthrust

Ore body information

  • General form CELLULAR, CAVERNOUS

Economic information about the deposit and operations

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

Mining district

District name Philipsburg (Granite-Flint Creek) District

Ownership information

  • Type Owner
    Owner Philipsburg Mining Co.

Comments on the production information

  • 13000 TONS OF MN ORE WAS PRODUCED FROM 1918-1922.

Comments on the workings information

  • LARGE PIT WITH A SHAFT ALONG SIDE, DRIFTS, STOPES.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORE BODY RANGES FROM 50-150 FT IN STOPE LENGTH AND TO BE 40 FT WIDE IN ONE PLACE. ORE CONSISTS OF CLOSELY PACKED NODULES THAT RANGE FROM 1 IN TO A FT OR MORE IN DIAMETER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-AUG-1981 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.

Maps centered on this site