1 of 11

Slide Notes

DownloadGo Live

Copy of Rock Types

Published on Nov 18, 2015

No Description

PRESENTATION OUTLINE

THREE TYPES OF ROCKS

Photo by Anna & Michal

ROCK DEFINITION

A ROCK IS A COMBINATION OF ONE OR MORE MINERALS OR ORGANIC MATTER.

HOW ARE ROCKS CLASSIFIED?

  • One way that rocks are classified is by mineral composition. The composition is the organic matter and the minerals a rock contains.
  • Another way that rocks are classified is through texture. Texture is the size, the shape, and the positions of the grains that make up the rock.

IGNEOUS ROCKS

Igneous Rocks form when liquid magma cools into solid rock.
Photo by jimbowen0306

1 KIND OF IGNEOUS ROCK

  • Intrusive igneous rock forms when magma pushes into surrounding rock below the surface of the Earth. Examples of intrusive igneous rocks are granite and diorite.

ANOTHER KIND OF IGNEOUS ROCK

  • Extrusive igneous rock forms when lava erupts onto the surface of the Earth. Examples of extrusive igneous rocks include obsidian and basalt.

SEDIMENTARY ROCKS

SEDIMENTARY ROCKS FORM FROM PROCESSES SUCH AS WEATHERING, EROSION, DEPOSITION, BURIAL, AND CEMENTATION.
Photo by kprogram

CLASTIC SEDIMENTARY ROCKS

  • Forms when sediments get buried, compacted, and cemented together by Quartz or calcite. Examples of these rocks consist of mudstone, siltstone, and shale.
Photo by Ron Schott

CHEMICAL SEDIMENTARY ROCKS

  • Forms when water (most often seawater), evaporates. An example of a chemical sedimentary rock is halite.
Photo by AlishaV

ORGANIC SEDIMENTARY ROCKS

  • This type of rock forms from the remains or fossils of once living animals and plants. Coquina, chalk, and coal are all examples of organic sedimentary rocks.

METAMORPHIC ROCKS

FORMS WHEN HIGH TEMPERATURE AND PRESSURE

MORE DECKS BY THIS AUTHOR

Haiku Deck In Action

0 views

What Is Haiku Deck?

2 views

Copy of Wednesday Wars(All Months)

16 views

Copy of Copy of Rock Types

1 views

Copy of The Giver

14 views