Group+1

Igneous Rocks

Rhyolite - f els ic, fast cooling rate, extrusive, fine grain, contains quartz Scorria - mafic, fast cooling rate, intrusive, fine grain, has bubbles Granite - felsic, slow cooling rate, intrusive, coarse grain, contains quartz Andesit - mafic, fast cooling rate, extrusive, fine grain  , mostly light material, may contain quartz Diorite - felsic, slow cooling rate, intrusive, coarse grain, mostly light material, may contain quartz Basalt - mafic, fast cooling rate, extrusive, fine grain, mostly dark material Pumice - felsic, fast cooling rate, extrusive, fine grain, floats in water, has bubbles Gabbro - mafic, slow and fast cooling rate, intrusive, phorphyritic grain  <span style="color: rgb(204, 0, 0)">Obsidian <span style="color: rgb(48, 3, 3)">- felsic, fast cooling rate, extrusive, glassy grain, mostly dark material

Sedimentary Rocks

<span style="color: rgb(0, 0, 102)">Conglomerate - clastic, poor sorting, contains round fragments <span style="color: rgb(0, 0, 102)">Coal - organic <span style="color: rgb(0, 0, 102)">Limestone - chemical, geode <span style="color: rgb(0, 0, 102)">Brecchia <span style="color: rgb(24, 1, 1)">- clastic,poor sorting, stratificati<span style="color: rgb(15, 0, 0)">on <span style="color: rgb(15, 0, 0)">, contains angular fragments <span style="color: rgb(0, 0, 102)">Shale - clastic, well sorting, fossil, contains fragments <span style="color: rgb(0, 0, 102)">Chert - clastic, well sorting, stratification, scratches limestone <span style="color: rgb(0, 0, 102)">Sandstone <span style="color: rgb(0, 0, 102)"> - clastic, well sorting, stratification <span style="color: rgb(0, 0, 102)">Coquina - organic <span style="color: rgb(0, 0, 102)">Siltstone <span style="color: rgb(20, 1, 1)">- clastic, well sorting, stratification

Metamorphic Rocks

<span style="color: rgb(220, 50, 185)"><span style="color: rgb(0, 51, 0)">Quartzite - non-foliated, heat <span style="color: rgb(0, 51, 0)">Marble <span style="color: rgb(0, 51, 0)"> <span style="color: rgb(0, 51, 0)"> - non-foliated, heat <span style="color: rgb(0, 51, 0)">Schist - foliated, pressur <span style="color: rgb(0, 51, 0)">Gneiss - foliated, pressure and heat <span style="color: rgb(0, 51, 0)">Slate - foliated, pressure