| Deposit ID | 10073056 |
|---|---|
| MRDS ID | W018864 |
| Record type | Site |
| Current site name | Rosebery, Read, Hercules, Mt. Farrell |
| Geographic coordinates: | 145.49847, -41.81278 (WGS84) |
|---|---|
| Relative position | 112 KM SOUTH OF BURNIE, 32 KM FROM THE COAST |
Political divisions (FIPS codes)
Tasmania(province)
Australia(country)
Australia(continent)
Land(continent)
| Country | State |
|---|---|
| Australia | Tasmania |
| Commodity | Importance |
|---|---|
| Zinc Critical | Primary |
| Copper | Primary |
| Lead | Primary |
| Sulfur | Primary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Sphalerite | Ore |
| Barite | Gangue |
| Chlorite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartz | Gangue |
| Sericite | Gangue |
| Result | ROSEBERY OREBODY AVERAGES 18% ZN, 5.5% PB, 0.8% CU, 205 G/MT AG, 3.4 G/MT AU. |
|---|
| Model code | 184 |
|---|---|
| USGS model code | 28a |
| Deposit model name | Massive sulfide, kuroko |
| Mark3 model number | 93 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff | ||||||
| Rock unit name | Tuffs-Quartz, Albite, Chlorite, Sericite | ||||||
| Rock description | Tuffs-Quartz, Albite, Chlorite, Sericite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Rock unit name | Shale-Bedded Grey Cont. Quartz, Sericite, Chlorite;Schists-Quartz, Chlorite, Sericite |
| Rock description | Shale-Bedded Grey Cont. Quartz, Sericite, Chlorite;Schists-Quartz, Chlorite, Sericite |
| (1) | 145.49847, -41.81278 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Major N-S Anticline. |
| Type of structure | Local |
| Structure description | Host Rock And Ore Are Highly Folded |
| General form | CONCORDANT EN ECHELON LENSES |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1894 |
| Discoverer | J. Will (Hercules); 1893 Tom Mc Donald (Rosebery) |
| Year of first production | 1900 |
| District name | Rosebery - Williamsford - Tullah District |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Electrolytic Zn Co. Of Australasia Ltd |
| Year | 1952 | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1893-1952 | ||||||||||||||||||||||||||||||||||||||||||
| Material | ORE | ||||||||||||||||||||||||||||||||||||||||||
| Accuracy | Accurate | ||||||||||||||||||||||||||||||||||||||||||
| Description | Cp_Grade: ^6 % Pb, 20 % Zn, 0.5 % Cu, 221 G Ag/Mt, 3.16 G Au/Mt | ||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||
| Year | 1952 |
|---|---|
| Period | ????-1952 |
| Material | ORE |
| Accuracy | Accurate |
| Description | Cp_Grade: ^Yeilding 80,000 Mt Pb Metal |
| Year | 1973 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^14.4 % Zn, Year To 6-30-73 | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W018864 |
BRATHWAITE, R. L., 1972, THE STRUCTURE OF THE ROSEBERY ORE DEPOSIT, TASMANIA; PROC. AUST. INST. MIN. MET. NO. 241, MARCH 1972, P. 1 - 13
HALL, GRAHAM, ET AL, 1953, THE LEAD - ZINC DEPOSITS OF READ - ROSEBERY AND MT. FARRELL; PUBLS V 1 FIFTH EMPIRE MIN. & MET. CONG. P. 1145 - 1159
STAFF, 1975, SKINNERS MINING INTL. YBK. P. 225 - 226
SKINNER'S MINING INTL. YBK. 1975, P. 225. E/MJ INTL. DIRECTORY 1975, P. - HALL, GRAHM ET AL, 1953, 5TH EMP. MINING AND METALL. CONG. P. 1147
SKINNER'S MINING INTL. YBK. 1975, P. 226.
| Subject category | Comment text |
|---|---|
| Deposit | ROSEBERY - 1370 M LONG, 470 M DEPTH ALONG DIP (PROVEN). STRIKE 340 DEG, DIP 45 DEG E. INDIVIDUAL LODES UP TO 150 M LONG, 1.5 TO 18 M THICK. HERCULESE ORE LODES UP TO 120 M DEEP, 60 M LONG, 18 M THICK. MT. FARRELL MINE: LENTICULAR SHOOTS USUALLY LESS THAN 60 M LONG AVERAGING 1 TO 1.2 M THICK WITH A PITCH LENGTH OF 120 M OR MORE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1976 | Schruben, Paul G. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.