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Arrowhead and South America Prospect

Occurrence in Powell county in Montana, United States with commodities Silica, Iron, Silver, Lead, Zinc, Copper, Gold
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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. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Reserves and resources
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10013623
MRDS ID D010023
Record type Site
Current site name Arrowhead and South America Prospect

Geographic coordinates

Geographic coordinates: -112.91841, 46.36739 (WGS84)
Elevation 2316
Location accuracy 500(meters)
Relative position ABOUT 2.0 KM NW OF POWELL LAKE.

Site location context

Political divisions (FIPS codes)

Powell(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Powell(quadrangle 1:24,000 scale)

Butte North(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 Powell

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N 011W 12,13 Montana

Comments on the location information

  • PAST CONLEYS LAKE, UP MORRISON GULCH TO THE EDGE OF SOUTH AMERICA PARK. THE CLAIM IS ONE HALF MILE FARTHER SOUTH, ACROSS COUNTRY. ; INFO FROM LAND.ST :(1967)

Commodities

Commodity Importance
Silica Primary
Iron Secondary
Silver Secondary
Lead Secondary
Zinc Critical Secondary
Copper Secondary
Gold Secondary

Materials information

Materials Type of material
Quartz Ore

Analytical data

Result 90.5-97.2% SIL, 1.74-2.7% FE, LOW GRADE AG-PB-ZN, SOME CU, AU.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Mount Powell Batholith
    Rock description Mount Powell Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -112.91841, 46.36739
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Mount Powell Batholith

Ore body information

  • Dip GENTLY EASTWARD

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1964
Discoverer Ben F. Harrison

Mining district

District name Flint Creek Range Area

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Ben F. Harrison
    Home office Deer Lodge, Mt.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Total resources 453000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silica SiO2 96 wt-pct Silica Major 1980
  • Type In-situ
    Estimate year 1980
    Total resources 376000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silica SiO2 96 wt-pct Silica Major 1980

Workings at the site

  • Type of workings Surface
    Overall length 45.72M

Comments on the workings information

  • OPEN PIT, SMALL PITS WERE DUG ON THE ARROWHEAD CLAIM.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit WHITE MASSIVE QUARTZITE ADJACENT TO PORPHYRITIC GRANITE CONTAINING PEGMATITE DIKES PARALLEL TO THE CONTACT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 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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