1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Czar Mine

Past Producer in Hinsdale county in Colorado, United States with commodities Silver, Gold, Lead, Zinc, Copper
Map
XML
JSON
KML
B
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10014715
MRDS ID D011604
Record type Site
Current site name Czar Mine
Alternate or previous names Patented Claims: Capitol City, MS 1148, Capitol City No. 2, MS 1149, Silver Chord, MS 1251, Czarina, MS 1270, Czar, MS 2008, Broker, MS 11149
Related records 10142695

Geographic coordinates

Geographic coordinates: -107.4648, 38.01528 (WGS84)
Elevation 3280
Relative position 8.1 MILES S 84 W FROM LAKE CITY

Site location context

Political divisions (FIPS codes)

Hinsdale(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Uncompahgre Peak(quadrangle 1:24,000 scale)

Montrose(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gunnison(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country State County
United States Colorado Hinsdale

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 044N 006W 36 E2 Colorado

Comments on the location information

  • MINE LIES ON SW SLOPE OF EMPIRE MOUNTAIN EAST OF YELLOWSTONE GULCH AND 0.5 MILE NNE OF CAPITOL CITY SITE. ALTHOUGH PROPERTY HOLDINGS AS OF 1968 INCLUDED THE CAPITOL CITY AND SILVER CHORD CLAIMS, THIS DESCRIPTION IS LIMITED TO CZAR WORKINGS. SEE RECORDS FOR CAPITOL CITY MINE AND FOR SILVER CHORD MINE FOR RESPECTIVE DESCRIPTIONS. ; INFO FROM LAND.ST :1977

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Analytical data

Result TWO CARLOAD ORE SHIPMENTS CONTAINED 9 TO 14 OZ/TON AG, 22% PB, 26% ZN, 3% CU, 0.14 OZ/TON AU (REPORTED AS $3/TON, CALCULATED USING AVG. PRICE OF $20.65/OZ).
Result THIRD CARLOAD CONTAINED 14% PB, 39% ZN, 3 TO 4% CU, 0.14 OZ/TON AU (CALCULATED AS ABOVE).
Result FOLLOWING ARE STEVEN AND OTHERS' (1977) SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSES.
Result CHIP SAMPLE FROM VEIN AT BACK OF ADIT CONTAINED 5% AL, 0.03% CA, 4% FE, 0.1% MG, 0.05% MN, 0.05% TI, 100 PPM B, 100 PPM CR, 5000 PPM CU, 30 PPM MO, 100000 PPM PB, 40000 PPM ZN, LT 70 PPM ZR, 100 PPM BI, 0.01 OZ/TON AU AND 2.5 OZ/TON AG (FIRE ASSAY), 1.01% CU AND 3.20% PB AND 3.74% ZN (ATOMIC ABSORPTION).
Result GRAB SAMPLE FROM 400-ST DUMP AT ADIT CONTAINED GT 7% AL, 0.2% CA, 3% FE, 0.4% MG, 0.05% MN, 0.05% TI, 100 PPM B, LT 1000 PPM BA, 100 PPM CR, 10000 PPM CU, 70 PPM MO, 60000 PPM PB, 30000 PPM ZN, LT 70 PPM ZR, 0.01 OZ/TON AU AND 2.5 OZ/TON AG (FIRE ASSAY), 0.49% CU AND 5.32% PB AND 3.22% ZN (ATOMIC ABSORPTION).
Result CHIP SAMPLE FROM VEIN IN STOPE CONTAINED 1% AL, 3% FE, 0.1% MG, 0.05% MN, 0.01% TI, 100 PPM CR, 30000 PPM CU, 200 PPM MO, LT 0.01% SB, GT 7% PB, 80000 PPM ZN, LT 70 PPM ZR, 0.05 OZ/TON AU AND 11.6 OZ/TON AG (FIRE ASSAY), 1.74% CU AND 19.0% PB AND 4.56% ZN (ATOMIC ABSORPTION).
Result GRAB SAMPLE FROM 800-ST DUMP AT ADIT CONTAINED GT 7% AL, 0.06% CA, 3% FE, 0.4% MG, 0.1% MN, 0.1% TI, 100 PPM B, LT 1000 PPM BA, 100 PPM CR, 5000 PPM CU, 40 PPM MO, 60000 PPM PB, 20000 PPM ZN, LT 70 PPM ZR, TRACE AU AND 1.4 OZ/TON AG (FIRE ASSAY), 0.32% CU AND 2.16% PB AND 2.00% ZN (ATOMIC ABSORPTION).
Result GRAB SAMPLE FROM 500-ST DUMP AT ADIT CONTAINED GT 7% AL, 0.03% CA, 2% FE, 0.4% MG, 0.05% MN, 0.1% TI, LT 100 PPM B, 100 PPM CR, 5000 PPM CU, 30 PPM MO, 60000 PPM PB, 20000 PPM ZN, LT 70 PPM ZR, 0.01 OZ/TON AU AND 1.6 OZ/TON AG (FIRE ASSAY), 0.35% CU AND 3.02% PB AND 1.60% ZN (ATOMIC ABSORPTION)

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Monzonite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Eureka Member Of Sapinero Mesa Tuff;Intrusive Rocks--Monzonite Porphyry;Intrusive Rocks--Rhyolite
    Rock description Eureka Member Of Sapinero Mesa Tuff;Intrusive Rocks--Monzonite Porphyry;Intrusive Rocks--Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -107.4648, 38.01528
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description San Juan Volcanic Field, San Juan Depression
Type of structure Local
Structure description San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben

Ore body information

  • Thickness 1.52M

Controls for ore emplacement

  • Ne-Trending Fault/Fracture Possibly Subparallel To Trend Of Pre-Lake City Caldera Eureka Graben

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1884
Discoverer William R. Wimple (Claimant)
Year of last production 1956

Mining district

District name Galena (Henson Creek) District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Czar Mining Co.
    Home office Lake City, Co.
    First year 1968
  • Type Owner
    Owner Katherine Pederson
    Home office Mt. Prospect, Il.
    First year 1968

Production statistics

  • Year 1904
    Description Ap_Grade: ^42% Pb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 42wt-pct

Comments on the production information

  • PARTIAL PRODUCTION RECORD. FIGURES AND EXACT YEARS OF PRODUCTION PRIOR TO 1904 UNKNOWN. PRODUCTION FOR 1953-1956 IS FROM MINERAL YEARBOOKS, WHICH CITED CZAR AS ONLY ACTIVE MINE IN GALENA DISTRICT; THUS, ABOVE FIGURES FOR CZAR MINE ARE SAME FOR DISTRICT OUTPUT IN THOSE YEARS. NO REPORTED PRODUCTION AFTER 1956.

Comments on the workings information

  • MINE DEVELOPED BY TWO TUNNELS DRIVEN GENERALLY NORTH. 100-FT RAISE FROM LOWER LEVEL CONNECTS WITH SHAFT FROM SURFACE TO 120 FT BELOW FIRST LEVEL. 125-FT NEWER CROSSCUT LOCATED 1200 FT BELOW OLDER WORKINGS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MINE LIES NW OF LAKE CITY CALDERA RIM IN UNCOMPAHGRE CALDERA INFILL ROCKS, CONSISTING OF EUREKA MEMBER RHYOLITE AND BURNS MEMBER QUARTZ LATITE. WEST OF MINE, THIS SEQUENCE IS INTRUDED AND ALTERED BY MONZONITE PORPHYRY AND RHYOLITE PLUGS. VEIN IN UPPER LEVEL TRENDS N 6 E, 60 TO 80 SE, AND IS COMPOSED OF TWO SMALL VEINS, NEITHER OVER 2 FT WIDE (CDM REPORTS VEIN WIDTH OF 5 FT); AVERAGE ORE COURSE IS 3 INCHES, VARYING FROM 0.5 TO 8 INCHES. GALENA THICKLY INTERSPERSED WITH SPHALERITE, BOTH FREQUENTLY CUTTING THROUGH THIN LAYER OF CHALCOPYRITE. VEIN LIES IN SLACK'S (1980) QUARTZ/BASE-METAL ASSEMBLAGE, INNER QUARTZ-CHALCOPYRITE ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1984 Schwochow, Stephen D. Colorado 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 Colorado resources

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