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Golden Pen Deposit

Past Producer in Mineral county in Nevada, United States with commodities Aluminum, Potassium, Gold, Silver
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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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10009267
MRDS ID D002139
Record type Site
Current site name Golden Pen Deposit
Alternate or previous names Golden Pen and Bovard 2? #M035733, Golden Pen Mine and Gold Pen #M233181

Geographic coordinates

Geographic coordinates: -118.38013, 38.77964 (WGS84)
Elevation 1829
Relative position 22 MI. NE OF HAWTHORNE; 18 MILES NNW OF LUNING, NV.

Site location context

Political divisions (FIPS codes)

Mineral(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copper Mountain(quadrangle 1:24,000 scale)

Walker Lake(quadrangle 1:100,000 scale)

Walker Lake(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Gabbs Valley(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011N 032E 33 Nevada

Comments on the location information

  • OLD BOVARD DIST. IN GABBS VALLEY RANGE. SECTION LINES UNSURVEYED. SECTION INFERRED BY LINE EXTENSION.

Commodities

Commodity Importance
Aluminum Critical Primary
Potassium Primary
Gold Primary
Silver Primary

Comments on the commodity information

  • PROJECT 9350 - 01393 ALUNITE RESOURCES; AU TO AG RATIO 1:1

Materials information

Materials Type of material
Alunite Ore
Gold Ore
Silver Ore
Kaolin Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Silicification, Kaolinization, Alunitization; Argillized.

Analytical data

Result 4 ANALYSES RANGE FROM 6.2 % TO 86.8 % ALUNITE

Mineral occurrence model information

Model code 150
USGS model code 25c
Deposit model name Epithermal vein, Comstock
Mark3 model number 16

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -118.38013, 38.77964
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Nw-Trending Fault That Offsets Ash-Flow Tuff Sequence.

Ore body information

  • General form VEIN PINCH AND SWELL
    Dip 90 DEGREES/VERTICAL
    Thickness 0.91M
    Length 76.2M
    Width 38.1M
  • General form VEIN PINCH AND SWELL
    Dip 90 DEGREES/VERTICAL

Controls for ore emplacement

  • Nw-Trending Fault; Ore Mainly On Hanging Wall Of Fault Zones Up To 50 Ft. Wide.

Comments on the geologic information

  • THIN ALUNITE VEIN REPLACES GOUGE (?) IN SERICITIZED RHYOLITIC TUFF. QUARTZ VEINS 3-8 FT. WIDE, MILKY AND VUGGY AS WELL AS BRECCIATED. SEPARATED FROM WALLS OF POST ESMERALDA(?) VOLCANIC ROCKS BY ALUNITE SHEETS 3-12 INCHES THICK.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1911
Discoverer F. C. Schrader Usgs

Mining district

District name Bovard (Rand, Copper Mtn.) District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Worlock, W. B.
    First year 1936
  • Type Owner
    Owner Richard Cowles ( 1936-1937 )
    Home office Reno, Nv

Comments on the production information

  • NO PROD OF ALUNITE BUT SOME GOLD AND SILVER PROD. SCHRADER ( 1914 ) REPORTS CONSIDERABLE PRODUCTION OF RICH GOLD ORE.

Comments on the reserve resource information

  • INSUFFICIENT DATA FOR RESERVE EST
  • MAIN RESOURCE IN THIN VEINS ONLY; POTENTIAL IS POOR

Comments on the workings information

  • PROPERTY DEVELOPED BY A 250 FT. SHAFT, A TUNNEL, AND SEVERAL THOUSAND FT. OF WORKINGS. SHAFT HAS LEVELS AT 50 (TUNNEL), 130, 200, AND 250 FT.

Comments on development

  • EARLY WORKS FOR GOLD (1908 AND LATER); 1936 A PORTION OF THE PROPERTY WAS LEASED TO W.B. WORLOCK WHO MADE TWO SMALL SHIPMENTS.

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: THOENEN, J. R., 1941 , USBM R. I. 3561 , P. 20

  • Deposit

    ROSS, D. C., 1961 , GEOLOGY AND MINERAL DEPOSITS OF MINERAL COUNTY, NEVADA: NEV. BUREAU OF MINES BULL. 58 , P. 80 .

  • Deposit

    SCHRADER, F. C., 1914 , ALUNITE AT BOVARD, NEV.: USGS BULL. 540 , P. 351 - 356 .

  • Deposit

    THOENEN, J. R., 1941 , ALUNITE RESOURCES OF THE UNITED STATES: USBM R. I. 3561 , P. 19 - 20 .

  • Deposit

    VANDERBERG, W. O., 1937 , RECONNAISSANCE OF MINING DISTRICTS IN MINERAL COUNTY NEV.: USBM I. C. 6941 , P. 57 - 58 .

  • Deposit

    BLACK, J.W., 1920, UNPUBLISHED REPORT.

  • Deposit

    1908 DIREXPL VARIOUS WORKS FOR GOLD

  • Deposit

    1911 RECON F.C. SCHRADER: BULL. 540

  • Deposit

    1940 RECON J. R. THOENEN: USBM R. I. 3561

  • Deposit

    1974 RECON R. B. HALL: PROF. PAPER 1076A

  • Production

    SCHRADER, F. C., 1914 , USGS BULL. 540 , P. 353 ; THOENEN, J. R., 1941 , USBM R. I. 3561 , P. 20. ROSS, D.C., 1961, TABLE 6.1.

General comments

Subject category Comment text
Deposit SEE RECORD M233181, GOLDEN PEN GOLD MINE, FOR INFORMATION ON GOLD DEPOSIT AT THIS SITE. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV
Deposit MAIN QUARTZ VEIN VARIES FROM 3 TO 10 FT. THICK, BUT THE ALUNITE IS FOUND IN SHEETS SEPARATING THE VEIN FROM THE WALL ROCK. THESE SHEETS ARE 3 INCHES TO 1 FT. WIDE. SIZE/DIRECTIONAL DATA GIVEN IS FOR ALUNITE DEPOSIT ONLY. VEIN EMPLACED ALONG NW-TRENDING FAULT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1975 Hall, Robert B. U.S. Geological Survey
Updater 01-AUG-1978 Starritt, Bruce C. U.S. Geological Survey
Updater 01-OCT-1990 Marcus, Susan (Jones, David A.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.