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Getang 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 10084945
MRDS ID W700367
Record type Site
Current site name Getang Deposit

Geographic coordinates

Geographic coordinates: 105.26633, 25.24918 (WGS84)
Relative position 27 KM NORTHWEST 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
Cinnabar Ore
Gold Ore
Marcasite Ore
Pyrite Ore
Realgar Ore
Stibnite Ore
Barite Gangue
Calcite Gangue
Dolomite Gangue
Fluorite Gangue
Illite Gangue
Limonite Gangue

Alteration

  • (Local) Silicification; Gold Content Of Ore Increases With Degree Of Silicification

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 Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
    Rock unit name Longtan Formation
    Rock description Longtan Formation

Nearby scientific data

(1) 105.26633, 25.24918
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Deposit Located On Eastern Limb Of Getang Dome, A Northwest-Trending Anticline About 50 Km Long; Permian Rocks Exposed In Inlier At Center Of Dome
Type of structure Local
Structure description Breccia Horizon May Mark Superimposed Bedding-Plane Thrust Fault; Rocks Dip 10 Deg. Ne, Cut By High-Angle Reverse Faults Of Small Displacement

Ore body information

  • General form LENTICULAR OREBODIES

Controls for ore emplacement

  • Gold Concentrated As Disseminations In Basal Breccia Horizon, Also Occurs With Limonite In Oxidized Rocks

Comments on the geologic information

  • PRELIMINARY FLUID INCLUSION HOMOGENIZATION TEMPERATURES IN QUARTZ AVERAGE APPROX. 120 DEG. C; JASPEROID AND SILICIFIED LIMESTONE CONTAINING PYRITE AND STIBNITE OVERLIE THE DEPOSIT; GEOCHEMICAL ANOMALIES OF ARSENIC AND MERCURY ARE PRESENT; GOLD OCCURS PRINCIPALLY AS GRAINS LESS THAN 0.5 MICROMETERS IN DIAMETER, LOCALLY UP TO 3 MICROMETERS; MAOKU FORMATION IS MASSIVE GRAY LIMESTONE WITH KARST UNCONFORMITY AT TOP, AND IS OVERLAIN BY LONGTAN FORMATION, AN ARGILLACEOUS LIMESTONE CONTAINING COAL LAYERS, SILICIFIED SHALE, AND CLASTIC ROCKS NEAR TOP

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on development

  • PRESENTLY BEING DRILLED ON A 40-M GRID

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.

  • Deposit

    CUNNINGHAM, C. G., 1988, WRITTEN COMMUNICATION.

General comments

Subject category Comment text
Deposit OREBODIES CROP OUT DISCONTINOUSLY ALONG 3-15 M THICK BRECCIA HORIZON OVER DISTANCE OF 1,000 M; GRADE INCREASES FROM 2-3 G/MT AU IN UNOXIDIZED ORE TO 4-5 G/MT IN LIMONITE-BEARING OXIDIZED ORE, AND RISES LOCALLY TO 50 G/MT

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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