Sorosilicates Flashcards
A large crystal in an igneous rock
Phenocryst
Very common form of volcanic rock
Lapilli tuffs
A process by which calcium-bearing plagioclase feldspar is altered to a characteristic assemblage of minerals called saussarite
Saussuritization
Coarse-grained metamorphic rocks that form by replacement of carbonate-bearing rocks
Skarns
A common plutonic rock, of variable texture and coarseness
Pegmatite
A final class of hydrothermal deposit
Stratiform
Pre existing igneous, sedimentary, or metamorphic rock undergoes compositional and mineralogical transformations associated with chemical reactions.
Metasomatic
A piece of rock trapped in another type of rock
Xenolith
A rock was first formed through the deposition and solidification of sediment.
Metasedimentary