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Noche Buena Prospect

Occurrence in Guerrero, Mexico with commodity Mercury
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10050120
MRDS ID MX11006
Record type Site
Current site name Noche Buena Prospect

Geographic coordinates

Geographic coordinates: -99.667, 18.25068 (WGS84)
Elevation 970
Relative position SOUTH OF IGUALA

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Guerrero

Comments on the location information

  • APPROXIMATE DISTRICT CENTER

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Metacinnabar Ore
Calcite Gangue

Alteration

  • (Local) Hydrothermal Decomposition Of Limestone To Soft Calcareous Aggregate And Residual Clay Caps. Also Redistribution Of Iron Minerals In Weathered Zone.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -99.667, 18.25068
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Folding Of Sediments. Overlying Rhyolite Is Flat.

Ore body information

  • General form STRATIFORM

Controls for ore emplacement

  • Ore Seems To Follow Certain Beds. Ore Underlies Rhyolite Seal. Vein Geometry Not Known. Also, Noneconomic Cinnabar In Clefts In The Rhyolite.

Comments on the geologic information

  • CRET. BLUEGRAY MASSIVE LIMESTONE. OFTEN ARGILLACEOUS, BITUMINOUS AND DECOMPOSING. TERTIARY, AUTOSILICIFIED RHYOLITE BRECCIA EXTENSIVELY OVERLYING SEDIMENTS. SULFIDES WERE PRECIPITATED FROM COLLOIDAL STATE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Noche Buena

Comments on the reserve resource information

  • KNOWN ORE NOT ABUNDANT BUT OF GOOD QUALITY AND GRADE. EXTENSION OF TUNNEL MIGHT LEAD TO DISCOVERY OF VERTICAL VEIN. SOME GOOD STOCKWORK IN ONE OF THE CALCAREOUS BEDS MIGHT ALSO BE HOPED FOR.

Workings at the site

  • Type of workings Unknown
    Overall depth 20M

Comments on the workings information

  • WORKINGS CONSIST OF SHAFT AND TUNNEL, 20 M BELOW THE RHYOLITE, APPARENTLY, FOLLOWING A MINERALIZED BED OF SOFT CALCAREOUS AGGREGATE, CAPPED BY RESIDUAL CLAY. A SMALL FURNACE IN EXISTENCE IS ADEQUATE FOR THE PRESENT.

Reference information

Bibliographic references

  • Deposit

    SCHULZE, G., 1942, LETTER TO MR. J.F. FERNANDEZ DEL VALLE, UNPUBLISHED

  • Reserve-Resource

    SCHULZE, 1942.

General comments

Subject category Comment text
Deposit NETWORK OF VEINLETS AND BLOTCHY IMPREGNATIONS WITHIN ILL DEFINED CALCITE VEINS. VEINLETS FORM PREFERENTIALLY IN CERTAIN BEDS.
Deposit ACCESS TO AREA EXCELLENT. WATER SUPPLY IS NOT GOOD. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 Slagle, Letha P. (Rytuba, J.) U.S. Geological Survey

Beyond USGS

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

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