Rocks
by BIO HAZARD
1. Metamorphic
1.1. rocks forming from changes within existing rocks, by extreme pressure from weather ext, temperature, and chemical activity.
1.1.1. Kyanite
1.1.1.1. Mica:
1.1.1.2. Calcite:a white or colorless mineral consisting of calcium carbonate.
1.1.1.2.1. Marble: a hard crystalline, typically white with streaks of color, that is capable of taking a polish and is used in sculpture and architecture ways mostly.
1.2. Pyrite: Pyrite is a replacement for mineral in fossils.
1.2.1. Quartz: Quartz is the second-most-abundant mineral in Earth's continental crust, after feldspar.
1.3. Garnet
1.3.1. Gneiss
1.4. Schist
2. Igneous
2.1. Rocks that have solidified from a molten state.
2.1.1. Plutonic igneous rocks: Rock that was originally lava, hot magma that reached the surface of the earth before it hardened.
2.1.1.1. Granite
2.1.1.1.1. Peridotite
2.1.2. Volcanic igneous rocks: Rock from magma rising up from deep under the earth's crust, and solidifies as it cools before it reaches the earth's surface.
2.1.2.1. Obsidian
2.1.2.1.1. Basalt