The Rock Cycle

lignite

origin of bituminous coal

anthracite

high grade coal that has undergone change in solid state due to stress

can contain one or more minerals, mineral-like matter, pre-existing rocks, organic matter

rock

ignis

igneous rocks came from the word ____ meaning fire

800-1300

temperature to form magma

lava

extruded molten material

crystal

forms when magma loses heat as it rises up the crust

California’s Yosemite National Park

half dome and its rock is granite

change of form

metamorphic rocks came from the Greek phrase meaning what

heat, pressure, chemically active fluids

agents of metamorphism

kyanite

pressure variety of aluminosilicate minerals

sillimanite

temperature variety of aluminosilicate minerals

perpendicular

elongate minerals align _____ to the direction of maximum stress

quartz, hornblende, potassium feldspar

granite composes of what minerals

chemically active fluids

promote recrystallization of minerals and speed up chemical reactions

sedimentum

meaning settling

diagenesis

physical, chemical, and biological processes that affect sediments post-deposition (before metamorphism)