| Deposit ID | 10079685 |
|---|---|
| MRDS ID | W029767 |
| Record type | Site |
| Current site name | Groote Eylandt |
| Geographic coordinates: | 136.49898, -13.99719 (WGS84) |
|---|---|
| Relative position | ISLAND IN GOLF OF CARPENTARIA; 16 KM SOUTH OF ALYANGULA (MILNER BAY) |
Political divisions (FIPS codes)
Northern Territory*(province)
Australia(country)
Australia(continent)
Land(continent)
| Country | State |
|---|---|
| Australia | Northern Territory* |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Materials | Type of material |
|---|---|
| Lithiophorite | Ore |
| Psilomelane | Ore |
| Pyrolusite | Ore |
| Todorokite | Ore |
| Goethite | Gangue |
| Quartz | Gangue |
| Model code | 242 |
|---|---|
| USGS model code | 34b |
| Deposit model name | Sedimentary Mn |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Argillite | ||
| Rock unit name | Sandstone, Quartzite (Groote Eylandt-Beds);Sands And Argillites Containing Mn-Ores (Mullaman Beds);Lateritic Conglomerates | ||
| Rock description | Sandstone, Quartzite (Groote Eylandt-Beds);Sands And Argillites Containing Mn-Ores (Mullaman Beds);Lateritic Conglomerates | ||
| |||
| (1) | 136.49898, -13.99719 |
|---|
| General form | BLANKET, SML-BASINS |
|---|---|
| Thickness | 3M |
| Depth to top | 25M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1962 |
| Discoverer | Broken Hill Pty-Geologists |
| Year of first production | 1966 |
| Type | Operator |
|---|---|
| Owner | Groote-Eylandt-Mining Co. Pty Ltd. (Gemco) |
| Type | Owner |
|---|---|
| Owner | Broken-Hill Pty (Bhp) |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1974 | ||||||||||||||
| Total resources | 100000000000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W029767 |
RYAN, G.R. (EDITOR) 1976: EXCURSION GUIDE NO.49 AC, MINING CENTRES OF NORTHERN AUSTRALIA. 25TH INTERNATIONAL GEOLOGICAL CONGRESS.
WEISS, S.A. 1977: MANGANESE THE OTHER USES. METAL. BULL. BOOKS LTD. LONDON
ANONYM, 1976: MINING AND TREATMENT OF MANGANESE ORES AT GROOTE EYLANDT. AUSTRALIAN MINING DECEMBER 1976
MINING MAGAZINE, JANUARY, 1987, P. 60.
AUSTRALIAN MINERAL INDUSTRY, 1970 TO 1975 REVIEW;
MINING JOURNAL 1974 NO.7261 PAGE 336
| Subject category | Comment text |
|---|---|
| Deposit | GROOTE EYLANDT BEDS MIDDLE PROTEROZOIC, 600 M SHALLOW DIPPING MASSIVE FELDSPATIC SANDSTONE. GROOTE EYLANDT BEDS OVERLY ARCHEAN AND LOWER PROTEROZOIC IGNEOUS AND METAMORPHIC ROCKS MULLAMAN BEDS HAVE MAXIMUM THICKNESS OF OVER 100 M |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1978 | Krauss, Ulrich H. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.