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WAEarth and Environmental ScienceQuick questions
Unit 3: Managing Earth resources
Quick questions on Sedimentary and residual ore formation: WACE Year 12 Earth and Environmental Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are sedimentary ore deposits?Show answer
Sedimentary processes concentrate minerals through chemical precipitation from water and physical sorting by moving water.
What are residual ore deposits?Show answer
Residual deposits form by subtraction rather than addition. In warm, wet climates, intense chemical weathering dissolves and removes soluble elements from rock and soil, leaving behind a residue enriched in insoluble elements.
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