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Weathering and Erosion

Published on Nov 20, 2015

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PRESENTATION OUTLINE

ready to "rock"

By Rowan Brauer

Weathering

the various mechanical  and chemical processes that cause exposed rock to decomposed.
Photo by laszlo-photo

Mechanical Weathering

any of the various weathering that cause physical change to rocks.
Photo by pocaagua

Chemical Weathering

any of the various weathering processes that cause exposed rock to decompose chemically.
Photo by blentley

Deposition

the state of being deposited or precipitated.
Photo by Al_HikesAZ

Erosion

The process by which the surface of the earth is worn away by wind, water, waves etc.
Photo by Justin in SD

Wind Deflation

the lifting and removal of small loose particles.
Photo by DigitalDurk

Abrasion

The process of scraping or wearing down by friction.

Sand Storm

A wind storm, especially in the dessert,that blows along great clouds of sand.
Photo by Tom Roeleveld

Dust Storm

A storm of strong winds and dust filled clouds.
Photo by expom2uk

Windbreak

A growth of trees serving as a shelter from wind.
Photo by OneEighteen

Loess

A loamy deposit formed by wind.
Photo by sandy richard

Dunes

A sand hill or sand ridge formed by the wind.
Photo by Edgar Barany

Overgrazing

To graze land to a excess.
Photo by Anita363

Slump

A rock slide or land slide.
Photo by sandy richard

Till

To cultivate soil.
Photo by doc(q)man

moraine

a ridge or mound.
Photo by Dru!

esker

a serpetine ridge of gravel and sandy drift
Photo by Travis S.

outwash

the material ,chiefly sand or gravel,deposited by melt water streams in front of glaciers.
Photo by Dru!

rockfall

a mass of rocks that have fallen

mudflow

a flow of of mixed earth debris containing a large amount of water.
Photo by USDAgov

You've been rock'd