The Chilito Mine is a copper and silica mine located in Gila county, Arizona at an elevation of 3,799 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 3,799 Feet (1,158 Meters)
Primary Mineral: Copper, Silica
Lat, Long: 33.06611, -110.79722
Chilito Mine MRDS details
Site Name
Primary: Chilito MineSecondary: Chillito
Secondary: Velasco Pit ?
Secondary: Schneider Group
Commodity
Primary: CopperPrimary: Silica
Secondary: Gold
Secondary: Silver
Secondary: Molybdenum
Location
State: ArizonaCounty: Gila
District: Banner District
Land Status
Land ownership: National ForestHoldings
Workings
Type: Surface/UndergroundOwnership
Production
Deposit
Record Type: Deposit
Operation Category: Past Producer
Deposit Type: Porphyry Cu, skarn-related
Operation Type: Surface-Underground
Year Last Production: 1962
Discovery Year: 1885
Years of Production:
Organization:
Significant: Y
Deposit Size: S
Operation Category: Past Producer
Deposit Type: Porphyry Cu, skarn-related
Operation Type: Surface-Underground
Year Last Production: 1962
Discovery Year: 1885
Years of Production:
Organization:
Significant: Y
Deposit Size: S
Physiography
General Physiographic Area: Intermontane PlateausPhysiographic Province: Basin And Range Province
Physiographic Section: Mexican Highland
Mineral Deposit Model
Orebody
Form: TabularStructure
Type: L
Structure: Horst Block Between Nnw Keystone Fault And O'Carroll Fault To East
Description: Horst Block Between Nnw Keystone Fault And O'Carroll Fault To East
Structure: Horst Block Between Nnw Keystone Fault And O'Carroll Fault To East
Description: Horst Block Between Nnw Keystone Fault And O'Carroll Fault To East
Alterations
Alteration Type: L
Alteration: Epidote-Chlorite-Clay-Magnetite In Diabase
Alteration Text: Epidote-Chlorite-Clay-Magnetite In Diabase; Quartz-Sericite In Other Rocks; Also Biotite & Carbonate Minerals
Alteration: Epidote-Chlorite-Clay-Magnetite In Diabase
Alteration Text: Epidote-Chlorite-Clay-Magnetite In Diabase; Quartz-Sericite In Other Rocks; Also Biotite & Carbonate Minerals
Rocks
Name: Granodiorite
Role: Host
Description: multi-phase-composite granodiorite porphyry stock and dikes
Age Type: Host Rock Unit
Age in Years: 62.000000+-
Age Young: Paleocene
Role: Host
Description: multi-phase-composite granodiorite porphyry stock and dikes
Age Type: Host Rock Unit
Age in Years: 62.000000+-
Age Young: Paleocene
Name: Quartzite
Role: Host
Description: tan to grey, fine grained, feldspathic quartzite-medium to thick bedded, about 75 ft thick
Age Type: Host Rock Unit
Age Young: Mesoproterozoic
Role: Host
Description: tan to grey, fine grained, feldspathic quartzite-medium to thick bedded, about 75 ft thick
Age Type: Host Rock Unit
Age Young: Mesoproterozoic
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Rhyodacite
Role: Associated
Age Type: Associated Rock
Age in Years: 63.000000+-
Age Young: Tertiary
Role: Associated
Age Type: Associated Rock
Age in Years: 63.000000+-
Age Young: Tertiary
Analytical Data
Analytical Data: 0.01-0.03% MO, 0.1-0.8% CU
Materials
Ore: Molybdenite
Ore: Pyrite
Ore: Chalcopyrite
Ore: Quartzite
Ore: Chalcocite
Gangue: Anhydrite
Comments
| Comment Type: Development |
Comment: OPERATORS INCLUDED GORDON WAINWRIGHT, CHILLITO, MURRAY, GILA CANYON CONSOLIDATED, GEORGE B. CHITTENDEN; GROUP CONSISTS OF 20 CLAIMS |
| Comment Type: Deposit |
Comment: Discovery Year: 1880'S SULFIDE ORE FOUND IN DISCONTINUOUS REPLACEMENT BODIES. DIORITE STOCK IS 3800 FT BY 1000 FT. USED AS SILICA FLUX FOR SMELTER AT HAYDEN OPEN PIT (1975), 1800 FT LONG TUNNEL. |
| Comment Type: Identification |
Comment: *****SEE related deposit- Christmas, Deposit ID 10234135 |
References
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Reference Category: Reserve-Resource
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Reference: Long, K.R., 1995, Production and reserves of Cordilleran (Alaska to Chile) porphyry copper deposits, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the American Cordillera: Tucson, Arizona Geological Society Digest 20, p. 35-68.
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Reference Category: Geology
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Reference: Eastlick, J.T., 1968, Geology of the Christmas mine and vicinity, Banner mining district, Arizona, in Ridge, J.D., ed., Ore Deposits of the United States, 1933?1967: American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc., p. 1191?1210.
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Reference Category: Geology
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Reference: The Portergeo webpage for the Christmas deposit contains a detailed description of the geology. 7/26/2010 http://www.portergeo.com.au/index.asp
URL: http://www.portergeo.com.au/
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Reference Category: Deposit
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Reference: ROSS, 1925, USGS BULL 771
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Reference Category: Deposit
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Reference: KEITH, S.B., 1975, UNPUB. MAPPING
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Reference Category: Geology
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Reference: Koski R A, Cook D S 1982 - Geology of the Christmas Porphyry Copper deposit, Gila County, Arizona: in Titley S R 1983 Advances in Geology of the Porphyry Copper Deposits, Southwestern North America University of Arizona Press, Tucson pp 353-374
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Reference Category: Other Database
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Reference: CIMRI
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Reference Category: Production
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Reference: ROSS, 1925
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Reference Category: Deposit
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Reference: PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERAL CARD FILES.
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Reference Category: Deposit
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Reference: PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.
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Reference Category: Deposit
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Reference: BANKS & KRIEGER, 1977, USGS MAP GQ-1391
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Reference Category: Deposit
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Reference: ADMR FILE DATA
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