03791c4363599799df26dc6b91e0183f

Source Materiał

clay particles--

granite (an igneous rock) Sand partides -

Sedimentary Rocks -*- shale -

sandstone

Metamorphic Rocks

-•- siatę

quad2ite

romainsof marinę

organisms, shells,-•> limestone--*■ marble

s«me rhemical precipitation

mixture ot' erosional rfebris: — igneous. sedimentary, metamorphic rocks

schist (l"ine)

(heavily folded)

-•'gneiss (coarse, often banded)