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  3. Mineral Resource Data System (MRDS)

Rio Blanco

Occurrence in San Juan, Argentina with commodities Gold, Silver, Arsenic
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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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10005542
MRDS ID AR16084
Record type Site
Current site name Rio Blanco

Geographic coordinates

Geographic coordinates: -70.03284, -30.91413 (WGS84)
Relative position 50 KM WNW OF VILLA NUEVA

Site location context

Political divisions (FIPS codes)

San Juan(province)

Argentina(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Argentina San Juan

Comments on the location information

  • ON RIO BLANCO ABOVE CONFLUENCE WITH RIO PATILLAR (RIO DE LAS MONDACAS) IN THE RIO ATUTIA DRAINAGE SYSTEM

Commodities

Commodity Importance
Gold Primary
Silver Primary
Arsenic Critical Secondary

Materials information

Materials Type of material
Gold Ore
Chalcedony Gangue
Illite Gangue
Kaolinite Gangue
Quartz Gangue

Analytical data

Result 2 OF 4 GRAB SAMPLES CONTAINED AU: HIGHER VALUE 0.5 G/T AU, 2 G/T AG, ALSO ANOMALOUS ARSENIC (220,380 PPM) IN 2 SAMPLES

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -70.03284, -30.91413
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Atutia

Comments on development

  • FINE GRAINED GOLD ENTERING RIO BLANCO DRAINAGE FROM STOCKWORK ZONES EXPOSED INTERMITTEANTLY IN THE VALLEY SIDES. MAY BE HOT SPRING ADULARIA-SERICITE EPITHERMAL DEPOSIT SIMILAR TO ROUND MOUNTAIN.

Reference information

Bibliographic references

  • Deposit

    SHATWELL, DAVID, 1990, NEW EPITHERMAL GOLD PROSPECTS IN WESTERN ARGENTINA; MINING ENGINEERING, AUGUST 1990, P. 989-991

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit INTERMITTANT EXPOSURES ALONG 3 KM OF VALLEY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1993 Venable, Margaret U.S. Geological Survey

Beyond USGS

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

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