Rocks & The Rock Cycle
The Rock Cycle Notes Notes Rocks - A solid, naturally occurring mineral or mineral-like substance. Notes
3 TYPES OF ROCKS: 1.) IGNEOUS 2.) SEDIMENTARY 3.) METAMORPHIC
1. Examples: Obsidian & Granite Formed when MAGMA or LAVA COOLS AND HARDENS (SOLIDIFIES) Examples: Obsidian & Granite
Key Words: All types of rocks can be changes into igneous rocks by the COOLING and MELTING of any rock.
Formed when rocks are WEATHERED and ERODED, sediments get COMPACTED and CEMENTED into solid rocks. 2. SEDIMENTARY ROCKS
SEDIMENTARY ROCKS Key Words: WEATHERING and EROSION COMPACTING and CEMENTING
SEDIMENTARY ROCKS Examples: Shale & Limestone
3. METAMORPHIC ROCKS Formed when existing rock is changes into new rock by THE HEATING OF THE ROCK AND PRESSURE FROM OTHER ROCKS AROUND IT.
+ METAMORPHIC ROCKS KEY WORDS: Metamorphic rocks form under extreme HEAT and PRESSURE. +
3. METAMORPHIC ROCKS All types of rock can be changed into metamorphic by heat and pressure. EXAMPLES: Soapstone & Gneiss
Rock Cycle