In geology, the systematic arrangement or pattern of faults (cracks in rock formations) in a particular area.
From 'fault' (a break in rock strata) plus the suffix '-age' (creating nouns for collective or abstract concepts). This technical geological term emerged in the 19th century.
Geologists use 'faultage' to describe the whole network of cracks in a region—it's like a fingerprint of the Earth's violent geological past, showing where massive pieces of the crust slipped and collided.
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