The process of exposing or following the outcrops of mineral veins or rock layers in mining and geology.
From 'basset,' a technical term in mining referring to the angle at which rock strata meet the surface. The gerund form describes the active geological or mining process.
Before seismic imaging and drilling technology, miners were basically reading Earth's autobiography from the exposed pages of rock on mountainsides—it required incredible observational skill and geological intuition.
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