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Biology
OpenStudy (candycane):

OKay so this is an earth science question but icant find any specific area for it, but does anyone know how slate becomes schist?

OpenStudy (anonymous):

first, the rock grows hard enough to "tink" under the hammer, and second, the rock gets a pronounced cleavage direction, so that it breaks along flat planes. Slaty cleavage is not always in the same direction as the original sedimentary bedding planes, thus any fossils originally in the rock are usually erased, but sometimes they survive in smeared or stretched form. With further metamorphism, slate turns to phyllite, then to schist or gneiss.

OpenStudy (candycane):

So wait slate doesnt automatically turn into schist as a igneous rock??

OpenStudy (anonymous):

no it goes through the process of turning into phyllite, then schist

OpenStudy (candycane):

Is phyllite and igneous rock??

OpenStudy (anonymous):

no its a metamorphic rock

OpenStudy (candycane):

Oooh okay, im trying to figure out what igneous rock slate turns into xp

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