| Deposit ID | 10065212 |
|---|---|
| MRDS ID | TC40314 |
| Record type | Site |
| Current site name | Palma Prospect |
| Geographic coordinates: | -76.58695, -12.07258 (WGS84) |
|---|---|
| Location accuracy | 5000(meters) |
| Relative position | 3 KM SOUTH OF LURIN VALLEY IN PALMA GORGE. |
Political divisions (FIPS codes)
Lima(province)
Peru(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Peru | Lima |
| Commodity | Importance |
|---|---|
| Barium-Barite Critical | Primary |
| Zinc Critical | Primary |
| Lead | Primary |
| Silver | Secondary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Barite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Sphalerite | Ore |
| Result | PRELIMINARY ANALYSES: 13% ZN, 2.4% PB, 45 PPM AG |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone | ||||
| Rock unit name | Casma Group | ||||
| Rock description | Casma Group | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate) |
| (1) | -76.58695, -12.07258 |
|---|
| Name | BARITE-MASSIVE SULFIDE BED |
|---|---|
| Thickness | 3M |
| Length | 100M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC40314 |
VIDAL, C., C.E., 1987, KUROKO-TYPE DEPOSITS IN THE MIDDLE CRETACEOUS MARGINAL BASIN OF CENTRAL PERU: ECONOMIC GEOLOGY, V. 82 NO. 6, P. 1409-1430
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | NW TRENDING OPEN FOLDS, ORE HORIZON IS IN AXIAL HINGE OF AN ANTICLINE, DEPOSIT IS ZONE FROM BARITE IN SOUTH TO MASSIVE SULFIDE IN NORTH; BLACK PYRITIC SHALES UNDERLIE ORE HORIZON IN VOLCANICLASTICS, LAVAS, AND BRECCIAS. WEST LIMB OF ANTICLINE CONTAINS BED OF MASSIVE PYRITE, PYRRHOTITE, SPHALERITE, CHALCOPYRITE OVERLAIN BY ARGILLACEOUS LIMESTONES. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1993 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.