| Deposit ID | 10090407 |
|---|---|
| MRDS ID | BL10309 |
| Record type | Site |
| Current site name | Kiska Prospect |
| Alternate or previous names | La Negra |
| Geographic coordinates: | -67.54143, -17.82654 (WGS84) |
|---|---|
| Elevation | 3800 |
| Relative position | 4 KM S80E OF KISKA |
Political divisions (FIPS codes)
Oruro(province)
Bolivia(country)
South America(continent)
Land(continent)
Federal lands
Federal(land status)
| Country | State |
|---|---|
| Bolivia | Oruro |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Lead | Primary |
| Copper | Primary |
| Arsenic Critical | Primary |
| Antimony Critical | Primary |
| Tin Critical | Primary |
| Bismuth Critical | Primary |
| Materials | Type of material |
|---|---|
| Alunite | Gangue |
| Hematite | Gangue |
| Jarosite | Gangue |
| Result | TWO USGS SAMPLES (1990): AU LESS THAN 0.15 PPM |
|---|---|
| Result | AG 0.14, 1.1 PPM |
| Result | PB 33, 20 PPM |
| Result | CU 11, 23 PPM |
| Result | AS 61, 46 PPM |
| Result | SB 13, 1.7 PPM |
| Result | SN 20, 20 PPM |
| Result | BI 9.5, 8.1 PPM |
| Model code | 77 |
|---|---|
| USGS model code | 20b |
| Deposit model name | Sn-polymetallic vein |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Siltstone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite |
| (1) | -67.54143, -17.82654 |
|---|
| Depth to top | 0M |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1990 |
| Discoverer | Asarco |
| Ownership category | Federal |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Asarco (American Smelting And Refining Co.) |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | BL10309 |
ASARCO, 1990, PERSONAL COMMUN.
FIELD INVESTIGATION, 1990, USGS PERSONNEL
VISITED OCT., 1990 BY USGS (LUDINGTON/DU BRAY
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | STOCKWORK VEINLETS RANGE FROM HAIRLINE CRACKS TO 2 CM WIDE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1990 | Long, Keith R. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.