Deposit ID | 10039593 |
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MRDS ID | M050388 |
Record type | Site |
Current site name | Pima Open Pit Mine |
Related records | 10113722 |
Geographic coordinates: | -111.07319, 31.98651 (WGS84) |
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Elevation | 1018 |
Relative position | 17 MI SE OF TUCSON. |
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Country | State | County |
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United States | Arizona | Pima |
Meridian | Township | Range | Section | Fraction | State |
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Gila and Salt River | 016S;017S | 012E;012E | 36;01 | S2 (36); N2 (01) | Arizona |
Commodity | Importance |
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Copper | Primary |
Molybdenum | Secondary |
Silver | Secondary |
Zinc | Tertiary |
Lead | Tertiary |
Gold | Tertiary |
Materials | Type of material |
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Bornite | Ore |
Chalcocite | Ore |
Chalcopyrite | Ore |
Chrysocolla | Ore |
Cuprite | Ore |
Galena | Ore |
Hematite | Ore |
Magnetite | Ore |
Malachite | Ore |
Molybdenite | Ore |
Sphalerite | Ore |
Tennantite | Ore |
Tenorite | Ore |
Serpentine | Gangue |
Result | CU ABOUT 1% IN TACTITE ZONE. 1976--AVERAGE ORE GRADE 0.47% CU AND 0 .015% MO. |
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Model code | 58 |
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USGS model code | 18a |
Deposit model name | Porphyry Cu, skarn-related |
Mark3 model number | 9 |
Model code | 85 |
USGS model code | 22c |
Deposit model name | Polymetallic veins |
Mark3 model number | 46 |
Host or associated | Associated |
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Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
Rock unit name | Ruby Star Granodiorite; |
Rock description | Ruby Star Granodiorite; |
Host or associated | Host |
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Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Arkose |
Host or associated | Host |
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Rock type | Sedimentary Rock > Carbonate > Limestone |
Rock unit name | Colina Limestone, Epitaph Formation, Scherer Formation, Concha Li Mestone, All Of Naco Group;Whitcomb Quartzite, Angelica Arkose;Rodolfo Formation |
Rock description | Colina Limestone, Epitaph Formation, Scherer Formation, Concha Li Mestone, All Of Naco Group;Whitcomb Quartzite, Angelica Arkose;Rodolfo Formation |
(1) | -111.07319, 31.98651 |
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Type of structure | Local |
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Structure description | Ew Post Mineralization Faulting, Jointing, San Xavier Thrust |
General form | TABULAR |
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Strike | ABOUT E-W |
Dip | ABOUT 455 |
Thickness | 182.88M |
Depth to bottom | 243.84M |
Depth to top | 60.96M |
Width | 487.68M |
Length | 487.68M |
Development status | Producer |
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Commodity type | Metallic |
Deposit size | Large |
Significant | Yes |
Discovery year | 1950 |
Discovery method | Geophysical Anomaly |
Year of first production | 1952 |
District name | Pima District |
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Type | Owner-Operator |
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Owner | Asarco (American Smelting And Refining Co.) |
First year | 1988 |
Type | In-situ | ||||||||||||||
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Estimate year | 1967 | ||||||||||||||
Total resources | 294,784,000mt ore | ||||||||||||||
|
Type | In-situ | |||||||||||||||||||||
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Estimate year | 1971 | |||||||||||||||||||||
Total resources | 122,902,000mt ore | |||||||||||||||||||||
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Type | In-situ | ||||||||||||||
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Estimate year | 1983 | ||||||||||||||
Total resources | 54,784,000mt ore | ||||||||||||||
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Type of workings | Surface |
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Overall length | 1524M |
Overall width | 914.4M |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | M050388 | |
U.S. Bureau of Mines | Minerals Availability System | MAS | 0040190006 |
HIMES, 1972, AIME ANN MTG REPORT NO 72-I-57.
COOPER, 1960, USGS BULL 1112.
CREASEY & KISTLER, 1962, USGS PP 450-D.
HUFF, 1970, USGS BULL 1312-C.
LACY & TITLEY, 1959, SO. AZ. GUIDEBOOK II.
THURMOND,R., AND OTHERS, 1954, PIMA - A THREE PART STORY. GOLOGY, OPEN PIT, MILLING: MINING ENGINEERING, V. 10.
USBM FILE DATA
KEITH, 1974, ABM BULL 189, P. 137
MAUGER, 1966, PHD THESIS, UNIV OF AZ
LANGLOIS, 1978, AZ GEOL SOC DIGEST VII, P. 103-113
SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: U.S. BUREAU OF MINES SPECIAL PUBLICATION, 334 P.
CIMRI
MINING ENGINEERING, 1967; SAWYER AND OTHERS, 1992.
Subject category | Comment text |
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Deposit | ORE BODY CUT OFF AT DEPTH BY SAN XAVIER THRUST, WHICH CUTS HELMUT FANGLOMERATE (28-30 M.Y.). BRECCIA PIPE PRESENT. |
Deposit | THIS REPORT REPRESENTS A MERGER OF ORIGINAL RECORD M050388 WITH RECORD W002678 OF JAN WILT AND RECORD D000332 OF ROBERT KING IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS. PIMA HAS BECOME PART OF THE MISSION COMPLEX. SEE RECORD MO5O387. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
Deposit | SEE MISSION COMPLEX. |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-MAR-1983 | Peterson, Jocelyn A. | U.S. Geological Survey | |
Updater | 01-DEC-1993 | Orris, Greta J. | U.S. Geological Survey |