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  3. Mineral Resource Data System (MRDS)

Chalk Mountain

Producer in New South Wales, Australia with commodity Diatomite
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10023630
MRDS ID I001006
Record type Site
Current site name Chalk Mountain

Geographic coordinates

Geographic coordinates: 149.06943, -31.11716 (WGS84)
Elevation 610
Location accuracy 1000(meters)
Relative position ON THE NORTHERN END OF THE BUGALDIE RANGE (A NORTHERN EXTENSION OF THE WARRUMBUNGLE MOUNTAINS), 26 KM NORTHWEST OF COONABARABRAN., Estimated Location, Believed To Be Within 10 Seconds Of True Location.

Site location context

Political divisions (FIPS codes)

New South Wales(province)

Australia(country)

Australia(continent)

Land(continent)

Geographic areas

Country State
Australia New South Wales

Commodities

Commodity Importance
Diatomite Primary

Materials information

Materials Type of material
Diatomite Ore
Feldspar Gangue
Quartz Gangue

Analytical data

Result AIR DRIED: 68.6% SIO2
Result 11.5% AL2O3. FREE QUARTZ CONTENT 7.7%.

Mineral occurrence model information

Model code 222
USGS model code 31s
Deposit model name Lacustrine diatomite

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
    Rock unit name Chalk Mountain Formation;Warrumbungle Volcanic Complex
    Rock description Chalk Mountain Formation;Warrumbungle Volcanic Complex
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Mudstone
  • Host or associated Host
    Rock type Sedimentary Rock > Diatomite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) 149.06943, -31.11716
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description The Tertiary Sediments Are Gently Warped And At Least 1 Normal Fault (15.5 M Throw) Is Present And Predates The Overlying Basalts.

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No

Mining district

District name Coonabarabran Area

Ownership information

  • Type Operator
    Owner Minerals Party Ltd. (Subsidiary Of Cudgen Rz Ltd.)
  • Type Owner
    Owner Cudgen Rz Ltd.

Reference information

Bibliographic references

  • Deposit

    HOLMES, G.G., STANLEY, C., AND SWEENEY, V., 1989, DIATOMITE IN NEW SOUTH WALES: GEOLOGICAL SURVEY OF NEW SOUTH WALES MINERAL RESOURCES 46, 161 P

  • Production

    HOLMES AND OTHERS, 1989.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-91 Orris, Greta 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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