Quartz Mountain Gold Deposit

Prospect in Lake county in Oregon, United States with commodities Gold, Mercury, Silver, Arsenic, Antimony, Lead, Copper

Geologic information

Identification information

Deposit ID 10097319
MRDS ID MP00149
Record type Site
Current site name Quartz Mountain Gold Deposit

Geographic coordinates

Geographic coordinates: -120.79358, 42.32179 (WGS84)
Elevation 1737
Location accuracy 100(meters)
Relative position ABOUT 28 MI WEST-NORTHWEST OF LAKEVIEW, Accurate Within Claim Area Of Quartz Mountain Gold Corp.
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Geographic areas

Country State County
United States Oregon Lake

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 037N 016E 34,35 Oregon

Comments on the location information

  • LOCATION GIVEN IS MINE SYMBOL ON 15-MINUTE QUADRANGLE. RECORD INCLUDES CRONE HILL AND QUARTZ BUTTE GOLD DEPOSITS

Commodities

Commodity Importance
Gold Primary
Mercury Primary
Silver Secondary
Arsenic Tertiary
Antimony Tertiary
Lead Tertiary
Copper Tertiary

Comments on the commodity information

  • ORE MINERALS OCCUR IN VEINS, VEINLETS, VEINLET SWARMS, AND BRECCIAS

Materials information

Materials Type of material
Chalcopyrite Ore
Cinnabar Ore
Galena Ore
Gold Ore
Pyrite Ore
Pyrrhotite Ore
Stibnite Ore
Tetrahedrite Ore
Alunite Gangue
Barite Gangue
Chalcedony Gangue
Hematite Gangue
Jarosite Gangue
Kaolinite Gangue
Limonite Gangue
Opal Gangue
Quartz Gangue

Alteration

  • (Local) Kaolinitic, Argillic, Minor Silicification. Illite, Illite-Montmorillonite, Chlorite, Adularia, Pyrite, And Zeolites Have Developed Below The Water Table. Local Sericitic Alteration

Analytical data

Result AU/AG=1.5

Mineral occurrence model information

Model code 104
USGS model code 25a
Deposit model name Hot-spring Au-Ag
Mark3 model number 45

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -120.79358, 42.32179

Geologic structures

Type of structure Local
Structure description N 50 W Trending Mcloughlin Fracture Zone

Ore body information

  • General form DISSEMINATED
    Dip }
  • General form DISSEMINATED
    Dip }

Comments on the geologic information

  • DEPOSIT IS LOCATED IN A BELT OF RHYOLITE DOMES AND DOME COMPLEXES IN A TERTIARY BIMODAL VOLCANIC TERRANE. OXIDATION IS PRESENT TO DEPTHS OF 165-360 FT. MOST OF THE GOLD IS FOUND IN THE ILLITE-BEARING, ARGILLIC ALTERED AREAS

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Quartz Mountain

Land status

Ownership category National Forest
Area name In Fremont National Forest

Ownership information

  • Type Operator
    Owner Quartz Mountain Gold Corp.
    First year 1993

Reserves and resources

  • Type In-situ
    Estimate year 1991
    Total resources 45,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.72 g/mt Gold Major 1991
  • Type In-situ
    Name VEIN ORE
    Estimate year 1991
    Commodity Subtype Grade units Group Importance Year
    Gold Au 8.188 g/mt Gold Major 1991

Comments on the workings information

  • EXTENSIVE DRILLING

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS MP00149

Bibliographic references

  • Analytical Data

    HOLLISTER AND JENNINGS, 1993

  • Deposit

    HOLLISTER, V.F., AND JENNINGS, D.S., 1993, RELATIONSHIP BETWEEN LOW-GRADE GOLD DISSEMINATIONS AND HIGH-GRADE VEINS IN THE QUARTZ MOUNTAIN DISTRICT, OREGON: NONRENEWABLE RESOURCES, V. 2, NO. 4, P. 284-291.

  • Deposit

    SAWLAN, M.G., AND RUSSELL, D.K., 1991, RHYOLITE DOMES, NW-TRENDING FAULTS, GOLD DEPOSITS, AND HIGH-ALUMINA BASALTS IN THE DEVILS GARDEN-NW BASIN AND RANGE: RAPID VOLCANIC AND STRUCTURAL EVOLUTION FROM 8-6 MA AT QUARTZ MOUNTAIN, SOUTH-CENTRAL OREGON [ABS.]: GEOLOGICAL SOCIETY OF AMERICA ABSTRACTS WITH PROGRAMS, V. 23, NO. 2, P. 95.

General comments

Subject category Comment text
Deposit THIS IS THE LARGEST KNOWN GOLD DEPOSIT IN OREGON. MERCURY DEPOSITS ARE SUPERJACENT TO GOLD MINERALIZATION. TOTAL SULFIDE AVERAGES 3% AT QUARTZ BUTTE AND 8% AT CRONE HILL. HIGH-GRADE VEINS UNDERLIE DISSEMINATED MINERALIZATION. ORE-FORMING SYSTEMS WERE PART OF LATE-STAGE MAGMA EVOLUTION AND MOVEMENT IN THE DOME COMPLEXES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-94 Peterson, Jocelyn A. U.S. Geological Survey