Topic 11 Rocks and Minerals

TRUE about Minerals:

• Inorganic

• Naturally occuring

• With chemical composition

• All of the above

Refers to a mineral’s ability to scratch another mineral or be scratched by another mineral.

• Luster

• Hardness

• Streak

• Specific gravity

The basic building blocks of rocks:

• Crystal

• Acids

• Magma

• Minerals

Example of Extrusive rock:

• Pumice

• Gabbro

• Diorite

• Granite

Characteristics of intrusive igneous rock:

• Rapid cooling

• glassy texture

• coarsed grain

• Fine grain

4 processes in the formation of sedimentary rock (in chronological order)

(first to last)

• compaction,

  deposition,

  weathering,

  mass wasting

• erosion,

  decomposition,

  compaction,

  cementation

• compoction, erosion,

  cementation,

  decomposition

• erosion,

  deposition,

  compaction,

  cementation

Tags

NGSS.MS-ESS1-4

Thick layers of sediment build up overtime and weigh down layers:

• Erosion

• Deposition

• Weathering

• Compaction

Tags

NGSS.MS-ESS2-1

Metamorphic rock were form through:

• Weathering

• Erosion

• Heat and pressure

• Mass wasting

Examples of Metamorphic rock:

• Gneiss

• Limestone

• Basalt

• Gabbro

Igneous rocks are also known as

• Clastic

  Bioclastic

  Crystalline

• Extrusive

  Intrusive

• Foliated

  Non-foliated

• Metallic

  Nonmetallic