Mahogany Mine

Past Producer in Elko county in Nevada, United States with commodities Gold, Silver
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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  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 10045291
MRDS ID M232991
Record type Site
Current site name Mahogany Mine
Alternate or previous names Tacoma Group, Blake Group Golden Eagle, Golden Queen Claims and Fractions.

Geographic coordinates

Geographic coordinates: -115.43785, 41.87712 (WGS84)
Elevation 2042
Relative position 1/2 MILE WEST OF JARBIDGE IN "MAHOGANY FLATS"-A BENCH IN THE MOUNTAIN SLOPE AT THE HEAD OF A SHORT STEEP GULCH THAT TRENDS SOUTH TO BEAR CREEK AND IS TRAVERSED BY THE ELKO MAIL TRAIL.

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jarbidge North(quadrangle 1:24,000 scale)

Jarbidge Mountains(quadrangle 1:100,000 scale)

Wells(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bruneau(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Humboldt-Toiyabe 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 Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
046N 058E 22;21 Nevada

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Alteration

  • (Local) Silicification

Analytical data

Result ORE BETTER THAN $3.5//TON (1910)

Host and associated rocks

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

Nearby scientific data

(1) Alluvium, undifferentiated

Economic information

Geologic structures

Type of structure Regional
Structure description Crater Range

Ore body information

  • General form TABULAR
    Strike N-S
    Dip STEEPLY W

Controls for ore emplacement

  • Normal Faults- Compound Fit.Zone

Comments on the geologic information

  • RHYOLITE ALSO CONTAINS BLACK OBSIDIAN AND YOUNGER DIKES DEPOSITS ARE IN A COMPOUND FAULT ZONE SEVERAL HUNDRED FEET WIDE, OUTCROPPING FOR A LENGTH OF OVER 600FT

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1910
Year of first production 1910

Mining district

District name Jarbidge District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Jarbidge-Tacoma Mining Co.
    First year 1910
  • Type Owner
    Owner Jarbidge-Tacoma Mining Co

Comments on the production information

  • 1910 ORE RAN BETTER THAN $3.50/TON

Workings at the site

  • Type of workings Underground
    Overall depth 15.24M

Comments on the workings information

  • SHAFT

Reference information

Bibliographic references

  • Deposit

    SMITH, R.M., MINL. RESOURCES OF ELKO CO., NV., USGS OPEN FILE 1976-56

  • Deposit

    SCHRADER, F.C.(1912)A RECONNAISSANCE OF THE JARBIDGE, CONTACT, AND ELK MTN. MINING DISTRICTS, ELKO CO., NV., USGS BULL 497.

  • Production

    SCHRADER, F.C.,(1912)

General comments

Subject category Comment text
Deposit COMPRISING THE GOLDEN EAGLE, GOLDEN QUEEN MINERALIZED ZONE CONTAINS 2 BELTS OF WHITE OUTCROPS REPRESENTIN A SUBZONE OF MOVEMENT, DEPOSITION, & SILICIFICATION. MAY REPRESENT THE NW EXTENSION OF THE PAVLAK. OUTCROPS ARE QUARTZ AND SILICIFIED WHITE RHYOLITE. OUTCROPS DIP STEEPLY TO WEST. OPENED IN 1910 BY A 50-FT SHAFT ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1979 Depta, Mary J. Nevada Bureau of Mines and Geology

Beyond USGS

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

Authoritative Nevada resources

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