Granite Mountain No. 4 Claim

Prospect in Madison county in Montana, United States with commodities Silver, Manganese, Tungsten, Iron, Copper, Gold
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. Reporter information

Geologic information

Identification information

Deposit ID 10022670
MRDS ID FS00076
Record type Site
Current site name Granite Mountain No. 4 Claim

Geographic coordinates

Geographic coordinates: -111.96753, 45.56657 (WGS84)
Elevation 2438
Relative position APPROXIMATELY 12.5 - 13 MILES SW 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
Silver Primary
Manganese Critical Primary
Tungsten Critical Primary
Iron Primary
Copper Primary
Gold Primary

Comments on the commodity information

  • SAMPLES FROM DEVELOPMENT CUT NO. 2 AND NO. 3, COMMODITIES INCLUDE VANADIUM PENTOXIDE.

Analytical data

Result ASSAY REPORT { SAMPLE 671 FROM DEVELOPMENT CUT NO. 2 - 1961: SILVER - TRACE, MANGANESE - 0.428%, TUNGSTEN TRIOXIDE - 0.02%, 1962: IRON - 2.2%, INSOL - 88.3%, MANGANESE - 0.75%, 2ND 1962: COPPER - 0.06%, VANADIUM PENTOXIDE - TRACE
Result {{ SAMPLE 672 FROM DEVELOPMENT CUT NO. 3 - 1962*: SILVER - TRACE, MANGANESE - 0.842%, TUNGSTEN TRIOXIDE - NONE, 1962: IRON - 1.6%, INSOL - 89.6%, MANGANESE - 0.67%, 2ND 1962: COPPER - 0.06%, V205 - TRACE
Result {{ ASSAY REPORT 1965 { SAMPLE GM 2004 FROM DEV. CUT NO. 2 - TUNGSTEN: TRACE, GOLD: TRACE, SILVER: 0.10 OZ. PER TON, MANGANESE: 1.895 LTU 48% GRADE
Result {{ SAMPLE 671 FROM DEV. CUT NO. 2 - SILVER: TRACE, COPPER: 1.2 LBS. PER TON, V205: TRACE, MANGANESE: 1.42 LTU, TUNGSTEN TRIOXIDE: 0.031 STU
Result {{ SAMPLE GM 2005 FROM DEV. CUT. NO. 3 - GOLD: TRACE, SILVER AND COPPER: TRACE, TUNGSTEN: TRACE, MANGANESE: 14.0 LBS. PER TON OR, 1.32 LTU 48% GRADE
Result {{ SAMPLE 672 FROM DEV. CUT NO. 3 - SILVER AND V205: TRACE, COPPER: 1.0 LB. PER TON, MANGANESE: 1.59
Result {{ 1968 SAMPLE VALUES RECALCULATED IN 1968 ACCORDING TO THAT YEARS MARKET PRICES.
Result { 1969 SAMPLE NO. 5062 COMPOSITE FROM DEV CUTS NOS. 2 - 3. EVALUATION - WAD AND MINERAL NOT PRESENT IN SIGNIFICANT AMOUNTS TO TELL

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Pony Series, Metamorphics
    Rock description Pony Series, Metamorphics
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -111.96753, 45.56657

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 1940

Mining district

District name Potosi

Ownership information

  • Type Owner
    Owner E. Roy Grigg

Comments on the workings information

  • IMPROVEMENTS ON CLAIM { DISCOVERY CUT - 5 FEET LONG BY 4 FEET WIDE BY 4-6 FEET DEEP, CAVED. {{ DEVELOPMENT CUT NO. 2 - 110 FEET LONG BY 14 FEET WIDE BY 4-6 FEET DEEP. {{ DEVELOPMENT CUT NO. 3 - 130 FEET LONG BY 14 FEET WIDE BY 2-12 FEET DEEP. {{ DEVELOPMENT CUT NO. 4 - 16-20 FEET LONG BY 8 FEET WIDE BY 5 FEET DEEP, PARTICALLY CAVED. {{ DEVELOPMENT CUT NO. 5 - ADJOINS CUT NO. 4, 16-20 FEET LONG BY 7 FEET WIDE BY 4-5 FEET DEEP, PARTICALLY CAVED. {{ DEVELOPMENT CUT NO. 6 - AN OLD ABANDONED ADIT, PORTAL IS CAVED AND INACCESSIBLE. {{ DEVELOPMENT CUT NO. 7 - AN OLD ADIT, PORTAL IS CAVED AND IN ACCESSIBLE, IT IS REPORTED TO BE 40 FEET IN LENGTH. {{ IMPROVEMENTS ON CLAIM 1965 { DISCOVERY CUT NO. 1 - 16 FEET LONG BY 4 FEET WIDE BY 7-9 FEET DEEP. {{ DEVELOPMENT CUT NO. 3 - 130 FEET LONG BY 8-14 FEET WIDE BY 5-8 FEET DEEP. {{ DEVELOPMENT CUT NO. 4 - 12 FEET LONG BY 4 FEET WIDE BY 6 FEET DEEP. {{ DEVELOPMENT CUT NO. 5 - 15 FEET LONG BY 4 FEET WIDE BY 8 FEET DEEP. {{ DEVELOPMENT CUT NO. 6 - OLD
  • ADIT, REPORTED LENGTH OF 200 FEET.

Reference information

Bibliographic references

  • Deposit

    1961 DIREXPL USFS

  • Deposit

    1965 DIREXPL USFS

  • Deposit

    1968 DIREXPL USFS

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.