| Deposit ID | 10005841 |
|---|---|
| MRDS ID | BL00064 |
| Record type | Site |
| Current site name | Volcan Quemado Deposit |
| Geographic coordinates: | -68.76202, -18.62096 (WGS84) |
|---|---|
| Elevation | 4200 |
| Relative position | 7 KM S25E OF SACABAYA |
Political divisions (FIPS codes)
Oruro(province)
Bolivia(country)
South America(continent)
Land(continent)
Federal lands
Federal(land status)
| Country | State |
|---|---|
| Bolivia | Oruro |
| Commodity | Importance |
|---|---|
| Stone, Dimension | Primary |
| Volcanic Materials | Tertiary |
| Pumice | Tertiary |
| Materials | Type of material |
|---|---|
| Pumice | Ore |
| Tuff | Ore |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Glassy Rock > Pumice | ||
| |||
| Host or associated | Associated |
|---|---|
| Rock type | Unconsolidated Deposit > Volcanic Ash |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff > Welded Tuff |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Glassy Rock > Pumice |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff |
| Host or associated | Host |
|---|---|
| Rock type | Unconsolidated Deposit > Volcanic Ash |
| (1) | -68.76202, -18.62096 |
|---|
| Depth to top | 0M |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Deposit size | Small |
| Significant | No |
| Ownership category | Federal |
|---|
| Type of workings | Surface |
|---|---|
| Overall depth | 0M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | BL00064 |
FIELD INVESTIGATIONS, 1990, USGS/GEOBO
SITE VISIT BY S. ASHER-BOLINDER (USGS), EDUARDO SORIA (GEOBOL), AND EDUARDO COMACHO (GEOBOL) IN AUGUST, 1990
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | SURFACE SLOPES NEAR THE TOP OF THE VOLCANO ARE COVERED WITH LOOSE, WHITISH-GRAY PUMICE AND ASH. THE WEST LIP OF THE CRATER IS COVERED BY LIGHT GRAY-WHITE DUNES COMPOSED OF SANDY VOLCANIC GLASS WITH MINOR QUARTZ, FELDSPAR, AND MICA. THE DUNES ARE 300 M LONG AND 100 M WIDE. DEPTH IS UNKNOWN, BUT PROBABLY APPROACHES 5 TO 10 M. NEAR THE WESTERN BASE OF VOLCAN QUEMADO IS AN OUTCROP OF LIGHT PINKISH GRAY WELDED TUFF WHICH HAS BEEN QUARRIED FOR LOCAL USE AS BUILDING STONE. THE TUFF BREAKS IN A ROUGHLY CONCHOIDAL FASHION AND APPEARS IN PLACES TO HAVE BEEN NOTICEABLY WEATHERED DESPITE ITS PRESUMABLY YOUNG AGE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1990 | Orris, Greta J. (Asher-Bolinder, Sigrid) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.