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Module 7: Basin analysis
Quick questions on Basin analysis and subsidence: accommodation space, basin types and burial history - OCR A-Level Geology
5short 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 is accommodation space?Show answer
Whether a basin deepens, shallows or fills depends on the balance between the rate at which accommodation space is created (subsidence plus sea-level rise) and the rate of sediment supply. If supply outpaces space, the basin shallows and fills; if space outpaces supply, it deepens.
What is reconstructing basin evolution?Show answer
Geologists reconstruct a basin's history from:
What is q1?Show answer
Define accommodation space. [2 marks]
What is q2?Show answer
Name the subsidence mechanism that forms a foreland basin. [1 mark]
What is q3?Show answer
Explain what controls whether a basin deepens or fills. [2 marks]
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