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Sanchahe Deposit

Occurrence in Guizhou [Kweichow], China with commodity Gold
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10084946
MRDS ID W700368
Record type Site
Current site name Sanchahe Deposit

Geographic coordinates

Geographic coordinates: 105.61632, 25.51583 (WGS84)
Relative position 45 KM NORTHEAST OF ANLONG

Site location context

Political divisions (FIPS codes)

Guizhou [Kweichow](province)

China(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
China Guizhou [Kweichow]

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Barite Ore
Cinnabar Ore
Fluorite Ore
Gold Ore
Marcasite Ore
Pyrite Ore
Realgar Ore
Stibnite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Wall Rock Alteration

Mineral occurrence model information

Model code 172
USGS model code 26a
Deposit model name Carbonate-hosted Au-Ag
Mark3 model number 15

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Coal
    Rock unit name Longtan Formation;Changxing Formation;Dalong Formation;Yelang Formation
    Rock description Longtan Formation;Changxing Formation;Dalong Formation;Yelang Formation

Nearby scientific data

(1) 105.61632, 25.51583
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Deposit Located Along Crest Of 40 Km-Long Nw-Trending Anticline That Exposes Permian Strata In Center
Type of structure Local
Structure description Location Of Orebodies Influenced By Reverse Faults Trending Parallel To Crest Of Dome

Ore body information

  • General form LENTICULAR OREBODIES

Controls for ore emplacement

  • Mineralization And Wall Rock Alteration Is Principally In Vicinity Of Faults

Comments on the geologic information

  • DEPOSIT CONTAINS A THALLIUM ANOMALY, WITH ORE CONTAINING UP TO 100 PPM THALLIUM; FINE-GRAINED DISSEMINATED GOLD IS CLOSELY ASSOCIATED WITH PYRITE, ARSENOPYRITE, QUARTZ; SOME PYRITE CONTAINS GOLD; LONGTAN FORMATION IS OVERLAIN BY CHANGXING AND DALONG FORMATIONS AND YELANG FORMATION

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the workings information

  • OLD MERCURY AND ARSENIC MINES ARE PRESENT IN THE AREA

Comments on development

  • DISCOVERED BECAUSE ASSAYS OF SAMPLES COLLECTED DURING MERCURY RECONNAISSANCE PROGRAM CONTAINED ABOUT 3 G/MT AU; CURRENT DRILLING

Reference information

Bibliographic references

  • Deposit

    CUNNINGHAM, C. G., ASHLEY, R. P., CHOU, I-M., HUANG, Z., WAN, C., AND LI, W., 1988, THE NEWLY DISCOVERED SEDIMENTARY-ROCK HOSTED DISSEMINATED GOLD DEPOSITS IN THE PEOPLE'S REPUBLIC OF CHINA: U. S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-220, 15 P

General comments

Subject category Comment text
Deposit DRILLING HAS DEFINED SEVERAL OREBODIES 65-200 M LONG, 6-15 M THICK, GRADING 3.9-5.2 G/MT AU

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1988 Paidakovich, Matthew E. U.S. Geological Survey
Updater 01-JUL-1988 Paidakovich, Matthew E. U.S. Geological Survey

Beyond USGS

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

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