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The quarrying of limestone is the earliest recorded mining activity in Tasmania for non-metallic minerals other than coal.
PRODUCTION OF NON-METALLIC (EXCLUDING FUEL) MINERALS, Tasmania
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| | 1999-2000 | 2000-01 |
|  | |
| | tonnes | tonnes |
|
| Clay | | |
| - Cement | 85,081 | 77,687 |
| - Brick | 24,943 | 15,078 |
| - Other | 14,110 | - |
| - Kaolin | 926 | 5,265 |
| Dolomite | 6,176 | 7,214 |
| Limestone | | |
| - Agricultural | 145,558 | 161,798 |
| - Cement | 1,230,339 | 1,612,923 |
| - Chemical and metallurgical | 39,467 | 62,096 |
| - Other | 67,790 | 56,822 |
| Silica (glass & other) | 139,888 | 163,381 |
| Sulphuric acid(a) | 446,735 | 291,199 |
- nil or rounded to zero
(a) Sulphuric acid units are mono tonnes.
Source: Mineral Resources, Tasmania, Annual Review 2000-2001. |
Production of non-metallic minerals occurs throughout Tasmania.
PRODUCTION OF NON-METALLIC (EXCLUDING FUEL) MINERALS, Tasmania, 2000-01 |
LIMESTONE AND DOLOMITE
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| Beams Bros Pty Ltd | Quarries at Flowery Gully and Cressy produced 150,000 tonnes in 2000-01. Including:
- 85,000 tonnes of agricultural limestone and dolomite
- 38,000 tonnes of dolomite
- 15,200 tonnes of material for limestone flux.
About 1,400 cubic metres of gravel was also produced.
Employment: 25 |
Circular Head Dolomite
Trading Co. Pty Ltd
| The Smithton quarry produced:
- 38,000 tonnes of agricultural dolomite
- 5,000 tonnes of screened rock
An additional 5,000 tonnes of concrete was sold.
Employment: 11 |
| David Mitchell - Tasmania | The Mole Creek quarry produced 112,000 tonnes of limestone.
Employment: 28 |
SILICA FLOUR
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| Index Mineral Processors | The Cominex mine at Corinna produced 14,100 tonnes.
Employment: 12 |
Source: Mineral Resources Tasmania, Annual Review 2000-2001. |
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