A term that describes light-colored volcanic rocks containing feldspar
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Category: <span>F</span>
A group of common igneous rocks with constituent elements forming minerals that includes microcline, orthoclase, plagioclase and others
The calculated speed of drill bit advancing through rock or overburden
A report compiling qualified information used to determine the viability of developing a mineral deposit based on the extent of risk involved
A zone comprised of a series of smaller faults
The intersection of a fault with the earths surface
A split in the Earths crust caused by tectonic movement
An accumulation of material influenced by moving water and gravity
The separation of metallic minerals from ore by use of a high temperature furnace
A structure produced by the compaction of sediment over a more resistant mass