Types Of Rocks Sir, Arcillia

Question 1

Rock aggregate of one or more minerals; most commonly, two or more. Classification of rock

Answer 1

-Igneous
-Sedimentary
-Metamorphic

Question 2

Examples of igneous rocks

Answer 2

Granite, Diorite, Gabbro, Basalt, Volcanic tuff, Obsidian, Andesite, Rhyolite

Question 3

Examples of sedimentary rocks

Answer 3

Sandstone (1/16 to 2 mm)
Siltstone (1/256 to 1/16 mm)
Shale (claystone) (<1/256 mm)
Limestone (CaCO³)
Gypsum

Question 4

Is a classic sedimentary rock made up of rounded clasts that are greater than two millimeters in diameter.

Answer 4

Conglomerate

Question 5

A sedimentary rock composed of sand-size grains of mineral, rock, or organic material

Answer 5

Sandstone

Question 6

Is a foliated metamorphic rock identified by its bands and lenses of varying mineral composition.

Answer 6

Gneiss

Question 7

Is a non-foliated metamorphic rock that is produced from the metamorphism of limestone or dolo stone

Answer 7

Marble

Question 8

What are the two groups of minerals

Answer 8

Primary minerals
Secondary minerals