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Granite Mountain Placer Claim

Prospect in Madison county in Montana, United States with commodities Zirconium, Tungsten, Gold, Silver, Manganese
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10022652
MRDS ID FS00044
Record type Site
Current site name Granite Mountain Placer Claim

Geographic coordinates

Geographic coordinates: -111.96753, 45.56657 (WGS84)
Elevation 2377
Relative position ACCESSIBLE VIA 12 1/2 MILES OF LOW - STANDARD DIRT ROAD IN A SW DIRECTION FROM PONY, MONTANA

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Potosi Peak(quadrangle 1:24,000 scale)

Bozeman(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(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 Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003S 003W 16 Montana

Comments on the location information

  • ALL LOCATIONS ESTIMATED FROM SECTION CORNERS; GOOD TO WITHIN ONE MILE OF EXACT LOCATION.

Commodities

Commodity Importance
Zirconium Critical Primary
Tungsten Critical Primary
Gold Primary
Silver Primary
Manganese Critical Primary

Comments on the commodity information

  • SAMPLES FROM DEVELOPMENT CUT NO. 1, NO. 2, AND NO. 3

Analytical data

Result ASSAY REPORT: { SAMPLE 683 FROM DEVELOPMENT CUT NO. 1 - ZIRCON: 0.34%, 66% GRADE, TUNGSTEN: 0.13%, 65% GRADE, GOLD: 0.079 OZ PER TON, SILVER: 0.10 OZ. PER TON {{ SAMPLE 684 FROM DEVELOPMENT CUT NO. 2 - ZIRCON: 0.35%, 66% GRADE, TUNGSTEN: 0.09%, 65% GRADE, GOLD: 0.079 OZ. PER TON {{ SAMPLE 685 FROM DEVELOPMENT CUT NO. 3 - ZIRCON: 0.25%, 66% GRADE, TUNGSTEN: TRACE, GOLD: 0.079 OZ. PER TON {{ 1965 { SAMPLES FROM DEVELOPMENT CUT NO. 1 - 683 - GOLD: 0.0296 OZ. PER TON, SILVER: TRACE, WO3: 0.13%, ZRO2: 0.34%, MN: 0.14%, 2014 - GOLD: 0.046 OZ. PER TON, WO3: 0.07%, ZRO2: 0.10%, 2015 - GOLD: 0.0996 OZ. PER TON, WO3: 0.11%, ZRO2: 0.10% {{ SAMPLE FROM DEVELOPMENT CUT NO. 2 684 - GOLD: 0.039 OZ. PER TON, WO3: 0.35%, ZRO2: 0.35%, MN: 0.14% {{ SAMPLE FROM DEVELOPMENT CUT NO. 3 - 685 - GOLD: 0.034 OZ. PER TON, WO3: TRACE, ZRO2: 0.25%, MN: 0.21% {{ SAMPLE FROM DEVELOPMENT CUT 4 - 2016 - GOLD: 0.0077 OZ. PER TON, WO3: 0.05% {{ 1968 - SAMPLES RECALCULATED BY 1968 MARKET PRICES.

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -111.96753, 45.56657
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Tobacco Root Batholith

Ore body information

  • General form IRREGULAR

Comments on the geologic information

  • TOBACCO ROOT BATHOLITH: THIS BATHOLITH HAS INTRUDED THE PRE - BELTIAN, PRECAMBRIAN METAMORPHIC ROCKS AND PALEOZOIC SEDIMENTARY ROCKS DURING LARAMIDE OROGENY. WHICH OCCURED IN THIS AREA DURING LATE CRETACEOUS OR EARLY EOCENE TIME. {{ SEDIMENTARY FORMATIONS: PLEISTOCENE MORAINE AND RECENT STREAM ALLUVIUM WHICH COVER THE CANYON FLOOR. {{ METAMORPHIC ROCKS: MADE UP OF THOUSANDS OF FEET OF DARK - COLORED GNEISSES AND SCHISTS BELONGING TO THE PONY SERIES OF PRECAMBRIAN AGE. {{ IGNEOUS ROCKS: THE TYPICAL IGNEOUS ROCKS ARE QUARTZ - MONZONITE COMPOSED OF ABOUT 20% QUARTZ, 30% ORTHOCLASE, 40% PLAGIOCLASE, FLEDSPARS, LESS THAN 3% BIOTITE, AND 1% HORNBLENDE. ACCESSORY MINERALS ARE ABOUT 2% SPHENE, 1% APATITE, AND 2% MAGNETITE AND SULFIDES (PYRITE).

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1909

Mining district

District name Potosi

Ownership information

  • Type Owner
    Owner E. Roy Grigg

Comments on the workings information

  • IMPROVEMENTS ON CLAIM { DISCOVERY CUT - 50 FEET LONG BY 4 FEET WIDE BY 3 FEET DEEP, PARTICALLY CAVED. {{ DEVELOPMENT CUT NO. 1 - 100 FEET LONG BY 20 FEET WIDE BY 9 FEET DEEP. {{ DEVELOPMENT CUT NO. 2 - 8 FEET WIDE BY 4 - 6 FEET DEEP. {{ DEVELOPMENT CUT NO. 3 - 75 FEET LONG BY 7 - 14 FEET WIDE BY 7 FEET DEEP. {{ DEVELOPMENT CUT NO. 4 - 6 - 10 FEET WIDE BY 5 - 8 FEET DEEP, PARTICALLY CAVED IN.

Reference information

Bibliographic references

  • Deposit

    1961 DIREXPL USFS

  • Deposit

    1965 DIREXPL USFS

  • Deposit

    1968 DIREXPL USFS

General comments

Subject category Comment text
Deposit Discovery Year: 1909 - AMENDED 1939

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-75 Hunter, Marilyn D. U.S. Geological Survey SOURCES & UPGRADES EDITS
Editor 01-SEP-75 Beougher, Dee (Spanski, Gregory T.) U.S. Geological Survey

Beyond USGS

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

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