A term synonymous with host rock, country rock and gangue rock. The non-target rock surrounding the target mineral
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Category: <span>M</span>
The characteristic reflection of spectral energy from an object
A zone marked by faulting or bending
The measurement of total quantity of matter
A term applied to a variety of minerals which occur as loose mixtures of clay, calcium carbonate, and carbon based materials in various stages of decomposition. It is frequently found in a hydrous state in subterraneous deposits. It is used for fertilizer and also in the beauty industry for its exfoliative properties
A deposit of sedimentary material which has settled underwater
Rock derived from recrystallization of limestone, metamorphisized through heat and pressure
A yellow to brown monoclinic mineral, (Ce,La,Y,Th)PO4; an ore of radioactive or rare earth elements
A meteor that has fallen to Earth which has resisted disintegration in the Earths atmosphere. Meteorites are either stone, iron, or a mixture of both which frequently contain other elements including nickel platinum, iridium
A grayish-white, hard, metal. Symbol, Mo