Arumpo Bentonite Deposit

Prospect in New South Wales, Australia with commodity Bentonite
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10023837
MRDS ID I004007
Record type Site
Current site name Arumpo Bentonite Deposit

Geographic coordinates

Geographic coordinates: 143.332, -33.74619 (WGS84)
Relative position IN THE MURRAY BASIN ABOUT 80 KM N OF THE MURRAY RIVER BETWEEN THE DARLING AND LACHLAN RIVERS.

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
Bentonite Primary

Materials information

Materials Type of material
Illite Ore

Analytical data

Result THE CLAY IS DOMINANTLY THE NA-MG TYPE AND HAS A HIGH CATION EXCHANGE CAPACITY RANGING FROM 71-112 MEQ (WEIGHTED AVERAGE OF 92 MEG). THE BEST CLAY IS 92-95% SMECTITE WITH 10% ILLITE RANDOMLY INTERSTRATIFIED.

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Clay, Mud
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel

Nearby scientific data

(1) 143.332, -33.74619

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Non-metallic
Significant No

Ownership information

  • Type Owner
    Owner Arumpo Bentonite Pty Ltd. (Wholly-Owned Subsidiary Of Browns Creek Gold Nl)

Reference information

Bibliographic references

  • Deposit

    INDUSTRIAL MINERALS, 1993, WORLD OF MINERALS-- AUSTRALIA: NO. 304, P. 8

General comments

Subject category Comment text
Deposit BENTONITE SEEM HAS BEEN INTERSECTED IN 50 DRILL HOLES WITHIN AN 8 SQ KM AREA. THE MAIN SEAM DOES NOT CROP OUT, IS FLAT TO GENTLY DIPPING, AND RANGES IN THICKNESS FROM 2 TO 10 M (AVE 5 M). THE CLAY AND SAND OVERBURDEN AVERAGES 14.6 M IN THICKNESS. THE STRIKE LENGTH OF THE DEPOSIT IS AT LEAST 6 KM AND THE WIDTH IS GREATER THAN 1 KM.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1993 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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