Rocks in nature

Igneous rocks by texture and color

glassy

aphanetic-fine small crystals

phanerteic- slowly in magma chambers

pegmatitic

polyphyretic- mixed cooling

pryclastic

sedimentary rocks

grain composition

rounding

sorting

size- energy of enviromental

composition- local or no local rocks

rounding- distance that it has treveled

sorting- consistancy applied to the environment

chemical

limestone carbonates grain compostion- shells fossils

gypsum evopating lake

coal- pure carbon

fossil inclusions matine, forest ,

metamorhic rocks

-foliated mineral compostion smeared

-nonfoliated- marbled carbonate limestone

-not all rocks look perfect

-enviromental contect clues