Formed from magma and lava

Marble, Gneiss, and Slate are the most common rocks for this group

Small solid pieces of material that comes from other rocks or living things

Intrusive and extrusive rocks belong to this group

Clastic, chemical, and organic rocks belong to this group

Foliated and nonfoliated rocks belong to this group

Obsidian, Granite, and Basalt are examples of this group

These rocks are formed by heat and pressure deep beneath the Earth’s surface

Erosion, cementation, deposition and compaction help from these rocks

Sandstone and Limestone are the most common rocks for this group