Period+2+Group+6

Igneous Rocks

Rhyolite felsic, fast cooling rate, extrusive, fine texture Scorria mafic, fast cooling rate, extrusive, fine texture, GLASSY Granite felsic, slow cooling rate, intrusive, coarse texture, Andesite  mafic, fast cooling rate, extrusive, fine texture Diorite felsic, slow cooling rate, intrusive, coarse texture Basalt mafic, fast cooling rate, extrusive, fine texture Pumice felsic, cools fast, extrusive, fine texture GLASSY Gabbro mafic, both fast and slow, both extrusive and intrusive, porphoryfic  Obsidian felsic, cools fast, extrusive, glassy, black but still felsic

Sedimentary Rocks

Conglomerate Clastic, Poorly Sorted, Coal Organic, Well Sorted, Fossils, Stratification Limestone Chemical, Reacts with HCl, Geodes Brecchia Clastic, Poorly Sorted, Shale Clastic, Well Sorted, Stratification, Fossils <span style="color: rgb(0, 0, 102)">Chert Clastic, Well Sorted, Fossils, Stratification <span style="color: rgb(0, 0, 102)">Sandstone <span style="color: rgb(0, 0, 102)"> Clastic, Well Sorted <span style="color: rgb(0, 0, 102)">Coquina Organic, Reacts with HCl, Made of Seashells <span style="color: rgb(0, 0, 102)">Siltstone Clastic, Well Sorted, Reacts with HCl, Stratification

Metamorphic Rocks

<span style="color: rgb(0, 51, 0)">Quartzite Nonfoliated, Metamorphosed Quartz, formed by heat <span style="color: rgb(0, 51, 0)">Marble <span style="color: rgb(0, 51, 0)"> <span style="color: rgb(0, 51, 0)"> Nonfoliated, Metamorphosed Limestone, formed by heat <span style="color: rgb(0, 51, 0)">Schist Foliated, Metamorphosed Chlorite, formed by pressure <span style="color: rgb(0, 51, 0)">Gneiss Foliated, Metamorphosed Muscovite, formed by pressure and heat <span style="color: rgb(0, 51, 0)">Slate Foliated, Metamorphosed Shale, formed by pressure and heat