verb[with object] (usually as adjective upthrown)
Displace (a body of rock) upward on one side of a fault relative to the other.
- They are often seen together with features called ‘horsts’, which are upthrown blocks lying between two steep-angled fault blocks.
- This line was acquired over the upthrown block of the mapped Christchurch Fault.
- By way of contrast, regions on a fault's upthrown side have less load and so experience uplift.
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