Deposit ID | 10069036 |
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MRDS ID | W002318 |
Record type | Site |
Current site name | Sitio De Chico Copper Occurrence |
Geographic coordinates: | -37.49889, -9.34789 (WGS84) |
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Relative position | CURACA RIVER VALLEY |
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Country | State |
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Brazil | Alagoas |
Commodity | Importance |
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Copper | Primary |
Iron | Primary |
Chromium | Primary |
Titanium, Metal | Primary |
Nickel | Primary |
Materials | Type of material |
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Chalcopyrite | Ore |
Chromite | Ore |
Ilmenite | Ore |
Magnetite | Ore |
Pentlandite | Ore |
Pyrite | Gangue |
Pyrrhotite | Gangue |
Host or associated | Host | ||||
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Rock type | Metamorphic Rock > Gneiss | ||||
Rock unit name | Caraiba Group, Hornblende Biotite Gneiss | ||||
Rock description | Caraiba Group, Hornblende Biotite Gneiss | ||||
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(1) | -37.49889, -9.34789 |
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Type of structure | Regional |
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Structure description | Sitio De Chico Complex Is A Sheared-Off Part Of A Longer Intrusive Originally 15 Km Long |
General form | TABULAR SILL |
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Thickness | 130M |
Depth to top | 40.5M |
Width | 300M |
Length | 2500M |
Development status | Occurrence |
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Commodity type | Metallic |
Significant | No |
Discovery year | 1925 |
Discovery method | Geophysical Anomaly |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | W002318 |
WRITTEN COMMUNICATION FROM W. MARHOLZ
Subject category | Comment text |
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Deposit | SOIL SAMPLES IN THE AREA OF THE BASIC COMPLEX INDICATE HIGH ANOMALIES IN SOILS (3000 PPM CU AND 1000 PPM NI) OVER ULTRAMAFIC ROCKS WITH ONLY ACCESSORY CONTENT OF COPPER AND NICKEL MINERALS (400 PPM CU AND 800 PPM NI). |
Deposit | THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD W001057 OF MAX WHITE WHICH HAS BEEN DELETED FROM MAIN MRDS. |
Deposit | VEINS OF ZIRCONIUM ARE LOCALIZED ALONG ONE OR MORE FRACTURES THAT STRIKE N. 30 DEG W TO N. 30 DEG E. AT QUIRINOS-SERROTE DEPOSIT VEINS STRIKE EAST-WEST. |
Deposit | Discovery Year: EARLY TWENTIETH CENTURY |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-APR-1974 | Warfle, Thomas M. | U.S. Geological Survey |