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Yata 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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10084944
MRDS ID W700366
Record type Site
Current site name Yata Deposit

Geographic coordinates

Geographic coordinates: 105.64965, 24.93254 (WGS84)
Relative position 16 KM SOUTHWEST OF CEHENG

Site location context

Political divisions (FIPS codes)

Guizhou [Kweichow](province)

China(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
China Guizhou [Kweichow]

Comments on the location information

  • ACCESS TO MINE IS BY TRAIL FROM VILLAGE OF YATA

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Marcasite Ore
Pyrite Ore
Realgar Ore
Sphalerite Ore
Stibnite Ore
Ankerite Gangue
Quartz Gangue

Alteration

  • (Local) Intense Silicification, Minerals Predominantly Hydrothermal Illite And Kaolinite

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 > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Arkose
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Xinyuan Formation
    Rock description Xinyuan Formation

Nearby scientific data

(1) 105.64965, 24.93254
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Gentle To Locally Moderately Tight Folds, Sometimes With High-Angle Faults, Trend Generally East-West
Type of structure Local
Structure description East-West Trending Anticline With Subsidiary Anticlines, Synclines, And East-West Trending Faults Subparallel To Trend Of Fold Axes

Controls for ore emplacement

  • Orebodies Localized By Steeply Dipping East-Trending Faults; Gold Is Disseminated Into Wallrocks

Comments on the geologic information

  • DEPOSIT SURROUNDED BY MERCURY GEOCHEMICAL ANOMALY; HOMOGENIZATION TEMPERATURES FOR FLUID INCLUSIONS IN QUARTZ ARE 150-240 DEG. C, WITH SALINITIES UP TO 5 WT PERCENT NACL-EQUIVALENT; GOLD IS RELATED TO EARLY SILICIFICATION; GOLD PARTICLES GENERALLY ABOUT A MICROMETER IN DIAMETER, APPEAR TO BE CONCENTRATED WITH SULFIDES AND CLAY MINERALS; HIGHEST GOLD GRADES ASSOCIATED WITH ASSEMBLAGE PYRITE-ARSENOPYRITE-MARCASITE-ANKERITE, LESSER AMOUNTS WITH PYRITE-ARSENOPYRITE-MARCASITE, A CROSS CUTTING PYRITE-REALGAR-STIBNITE-QUARTZ ASSEMBLAGE DOES NOT CONTAIN GOLD

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reserves and resources

  • Type In-situ
    Estimate year 1988
    Total resources 5000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 5 g/mt Gold Major 1988

Comments on the workings information

  • DEPOSIT ORIGINALLY MINED FOR REALGAR, MANY OLD TUNNELS PRESENT

Comments on development

  • A FEW EXPLORATION SAMPLES FROM OLD WORKINGS GAVE ANALYSES OF 1-3 G/MT AU, WITH MAXIMUM OF 13.4 G/MT; EXPLORATION AND DRILLING IN PROGRESS

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 DEPOSIT CONTAINS NINE KNOWN OREBODIES; MAIN ORE-BEARING ZONE MORE THAN 1,000 M LONG AND SEVERAL TENS OF METERS WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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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