| 1. | These are mixed with more recent alluvial deposits from the Aude valley.
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| 2. | The alluvial deposits mainly consists of boulders, gravel, sand, silt and clay.
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| 3. | Except for recent alluvial deposits, there are no other known Cenozoic rocks.
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| 4. | The Scratchgravel Hills have alluvial deposits on top of faulted granitic bedrock.
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| 5. | Alluvial deposits were quickly exhausted and from 1868 shallow reef mining occurred.
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| 6. | Prior to the Roman conquest the indigenous inhabitants obtained gold from alluvial deposits.
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| 7. | Downstream of the diversions the creek fans out into alluvial deposits.
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| 8. | Sand and gravel has been mined from the alluvial deposits in recent years.
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| 9. | In 1872 This turned out to contain Queensland's richest alluvial deposits.
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| 10. | Although the alluvial deposits were quickly exhausted, from 1868 shallow reef mining occurred.
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