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Cruz De Saya Mine

Producer in Potosi, Bolivia with commodity Tin
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10107612
MRDS ID BL20412
Record type Site
Current site name Cruz De Saya Mine

Geographic coordinates

Geographic coordinates: -66.46613, -18.48096 (WGS84)
Elevation 3800
Relative position 4 KM S40W OF CHAYANTA

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Comments on the location information

  • GEODETIC AND UTM LOCATIONS ARE FOR THE APPROXIMATE CENTER OF THE DISTRICT.

Commodities

Commodity Importance
Tin Critical Primary

Materials information

Materials Type of material
Cassiterite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Silurian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -66.46613, -18.48096
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On W Flank Of Pucro-Amayapampa Anticline

Ore body information

  • Strike N 60 E
    Dip 70 NW

Comments on the geologic information

  • THE OSCURA MOUNTAINS CONSIST OF PRECAMBRIAN GRANITE THAT INTRUDED QUARTZITE OVERLAIN BY PENNSYLVANIAN LIMESTONES, SANDSTONES AND SHALES. PERMIAN RED BEDS OF THE ABO FM. OVERLIE THE PENN. STRATA. A FEW SILLS AND DIKES OF MID-TERTIARY MONZONITE AND DIORITE INTRUDED THE PALEOZOIC ROCKS. MAJOR FAULTS ALONG THE WEST-FACING ESCARPMENT FORMED EASTWARD-DIPPING BLOCKS WHICH ARE DOWNDROPPED TO THE WEST AND NEAR THE NORTHERN END OF THE RANGE THE BLOCKS MERGE INTO THE NORTHWARD-PLUNGING OSCURA ANTICLINE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner-Operator
    Owner Floria O. De Roque

Reference information

Bibliographic references

  • Deposit

    MINTEC REPORT I-C20 - DICIEMBRE 1983.

  • Deposit

    GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit Discovery Year: 1870'S
Deposit DEPOSITS OCCUR AS OPEN-SPACE FILLINGS WITH MINOR, LOCAL REPLACEMENT OF FAVORABLE STRATA. DEPOSITS OCCUR ALONG A NORTH-SOUTH TRENDING FAULT ZONE CONTAINING NUMEROUS PARALLEL AND SUBPARALLEL FAULTS MARKED BY NARROW MINERALIZED ZONES UP TO 3 FT. WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1991 Guerra, Edwin Servicio Geologic de Bolivia
Updater 01-DEC-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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