geology

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Depth or point at which well or borehole drilling cannot continue.

An instrument used to measure pressure.

Mica

An aggregated mass of any ore or mineral, in an isolated state, within a rock.

Natural deposits of material, regarded as a record of environmental changes over time.

To use the dipping or divining rod, as in search of water, ore, etc.

The process of extracting metals or other valuable components from minerals

A layer of fossil soil buried beneath other sediments or deposits.

A kind of sloping embankment used as a coastal defence.

A loose accumulation of rock and soil debris at the foot of a slope