Period+3+Group+4

Igneous Rocks

Rhyolite Scorria Granite Andesite  Diorite Basalt Pumice Gabbro  Obsidian

Sedimentary Rocks

Conglomerate Coal Limestone Brecchia Shale <span style="color: rgb(0, 0, 102)">Chert <span style="color: rgb(0, 0, 102)">Sandstone <span style="color: rgb(0, 0, 102)"> <span style="color: rgb(0, 0, 102)">Coquina <span style="color: rgb(0, 0, 102)">Siltstone

Metamorphic Rocks

<span style="color: rgb(0, 51, 0)">Quartzite <span style="color: rgb(0, 51, 0)">Marble <span style="color: rgb(0, 51, 0)"> <span style="color: rgb(0, 51, 0)"> <span style="color: rgb(0, 51, 0)">Schist <span style="color: rgb(0, 51, 0)">Gneiss <span style="color: rgb(0, 51, 0)">Slate