Period+2+Group+1

Igneous Rocks

Rhyolite felsic cooled fast extrusive fine Scorria mafic cooled fast extrusive texture fine Granite felsic cooled slowly intrusive texture coarse Andesite  mafic cooled fast extrusive texture fine Diorite felsic cooled slow intrusive coarse Basalt mafic cooled fast extrusive fine Pumice felsic cooled fast extrusive texture fine Gabbro mafic cooled both both intrusive and extrusive porphyritic  Obsidian felsic cooled fast extrustive texture glassy

Sedimentary Rocks

Conglomerate clastic sorted poorly Coal organic stratifacation black in color Limestone chemical sorted poorly has geodes fizzes when acid is applied Brecchia clastic sorted poorly stratifacation Shale clastic sorted well fossil <span style="color: rgb(0, 0, 102)">Chert clastic sorted well stratifacation <span style="color: rgb(0, 0, 102)">Sandstone <span style="color: rgb(0, 0, 102)"> clastic sorted well stratifaction <span style="color: rgb(0, 0, 102)">Coquina organic has seashells <span style="color: rgb(0, 0, 102)">Siltstone clastic sorted well stratifacation

Metamorphic Rocks

<span style="color: rgb(0, 51, 0)">Quartzite non foliated firmed by 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 formed by heat white or tan in color <span style="color: rgb(0, 51, 0)">Schist foliated formed by pressure <span style="color: rgb(0, 51, 0)">Gneiss foliated formed by pressure <span style="color: rgb(0, 51, 0)">Slate foliated formed by pressure black in color with layers