Rocks can be divided into 3 types :--

1. Igneous rocks
2. Sedimentary rocks
3. Metamorphic rocks

IGNEOUS ROCKS

There are two types of igneous rocks; i.e. igneous intrusive and extrusive.

Igneous Extrusive (Volaknik/terobosan) Andesit Basalt Felsit

Igneous Intrusive (Rejahan) Biotite Granite Granite Granodiorite Quartz Diorite

SEDIMENTARY ROCKS

Chert

METAMORPHIC ROCKS

Sabak

Filit

Syis

Gneiss (pronoun “nice”)