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Surprise Lode Claim

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

Geologic information

Identification information

Deposit ID 10022654
MRDS ID FS00046
Record type Site
Current site name Surprise Lode Claim

Geographic coordinates

Geographic coordinates: -111.96753, 45.56657 (WGS84)
Elevation 2591
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 16,17 Montana

Comments on the location information

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

Commodities

Commodity Importance
Gold Primary
Silver Primary
Tungsten Critical Primary
Manganese Critical Primary
Iron Primary
Copper Primary

Comments on the commodity information

  • SAMPLES FROM DEVELOPMENT CUTS NO. 3 AND NO. 4; COMMODITIES PRESENT ALSO INCLUDE VANADIUM PENTOXIDE.

Analytical data

Result ASSAY REPORT { SAMPLE 682 FROM DEVELOPMENT CUT NO. 3 - 1961:
Result GOLD - TRACE, SILVER - 0.01 OZ. PER TON, MANGANESE - 0.631%, TUNGSTEN - 0.04%, 1962: COPPER - 0.06%, IRON - 2.2%, INSOL - 88.4%, MANGANESE - 0.48%, 2ND 1962: V205 - TRACE, COPPER - 0.05%
Result {{ SAMPLE 681 FROM DEVELOPMENT CUT NO. 4 - 1961: SILVER - TRACE, MANGANESE - 0.492%, 1962: IRON - 2.8%, INSOL - 85.7%, MANGANESE - 0.38%, 2ND 1962: V205 - TRACE
Result {{ ASSAY REPORT FOR 1965 { SAMPLE 682 FROM DEVELOPMENT CUT NO. 3 - SILVER: 0.01 OZ. PER TON, GOLD: TRACE, COPPER: 1.1 LB PER TON, V205: TRACE, MANGANESE: 1.19 LTU, 48% GRADE, TUNGSTEN: 0.0615 STU, 65% GRADE
Result {{ SAMPLE 2012 FROM DEVELOPMENT CUT NO. 3 - GOLD: TRACE, SILVER: TRACE, COPPER: TRACE, MANGANESE: 1.14 LTU, 48% GRADE
Result {{ SAMPLE 2011 FROM DEVELOPMENT CUT NO. 4 - GOLD: TRACE, SILVER: 0.10 OZ. PER TON, MANGANESE: 0.568 LTU, 48% GRADE
Result {{ SAMPLE 681 FROM DEVELOPMENT CUT NO. 4 - IRON: 2.8%, INSOL: 85.7%, SILVER: TRACE, V205: TRACE, MANGANESE: 0.93 LTU, 48% GRADE
Result {{ 1968 - SAMPLES RECALCULATED ACCORDING TO 1968 MARKET PRICES.
Result {{ SAMPLE 5062 COMPOSITE OF DEV. CUTS NO. 2 - 3. SENT FOR EVALUATION 1969 - 3.1% IRON AND 0.77% MANGANESE AND MOSTLY WAD AND LIMONITE

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
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 1952

Mining district

District name Potosi

Ownership information

  • Type Owner
    Owner E. Roy Grigg

Comments on the workings information

  • IMPROVEMENTS ON THE CLAIM { DISCOVERY CUT NO. 1 - 15 FEET LONG BY 7 FEET WIDE BY 4 FEET DEEP AND HAS A COURSE OF N. 65 DEG E., THENCE IT IS 8 FEET LONG BY 7.5 FEET WIDE BY 1.5 FEET DEEP ON A COURSE OF S. 65 DEG W. {{ DEVELOPMENT CUT NO. 2 - 55 FEET LONG BY 15 FEET WIDE BY 8 FEET DEEP. {{ DEVELOPMENT CUT NO. 3 - DOZER TRENCH, 200 FEET LONG BY 30 FEET WIDE AND HAS A FACE OF 10 FEET. {{ DEVELOPMENT CUT NO. 4 - 110 FEET LONG BY 26 FEET WIDE AND HAS ABOUT A 15 FOOT FACE. {{ IMPROVEMENTS ON CLAIM AS OF 1965 { DEVELOPMENT CUT NO. 3 (TRENCH) - 150 FEET LONG BY 30 FEET WIDE BY 15 FEET DEEP AT THE FACE, PARTICALLY SLOUGHED.

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.

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