DENUDATION: Erosion and Weathering

Feb 16, 2013

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Introduction. DENUDATION refers to the wearing down and stripping and leveling of the earths surface.They are also gradational because they grade/level the earth's surface.2 processes: weathering and erosion.Weathering is the breakdown of rock and minerals.Erosion is the movement of these weath

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DENUDATION: Erosion and Weathering

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Weathering and Erosion

Weathering and Erosion. What is weathering?. Weathering is process of breaking down and changing of rock at or near Earth’s surface. The two types of weathering are mechanical and chemical weathering. What is mechanical weathering?.

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WEATHERING AND EROSION

WEATHERING AND EROSION. Weathering. THE BREAKDOWN OF ROCKS AT OR NEAR THE SURFACE OF THE EARTH. PHYSICAL WEATHERING. THE BREAKDOWN OF ROCK INTO SMALLER PIECES WITHOUT CHEMICAL CHANGE. ICE WEDGING (FROST ACTION). WATER HELD IN THE CRACKS OF ROCKS WEDGES THE ROCK APART WHEN IT FREEZES .

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Weathering and Erosion

Weathering and Erosion. Weathering. The breakdown of the materials of the Earth’s crust into smaller pieces, due to exposure to the atmosphere. Mechanical (Physical) Weathering. The process by which rocks are broken down into smaller pieces, without changing its composition.

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Weathering and Erosion

Weathering and Erosion. Changing Earth’s Crust. What is weathering?. Weathering is the break down of rock, either by physical or chemical processes. It is split into two types, mechanical weathering and chemical weathering. Mechanical Weathering is the breakdown of rock by physical means.

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Weathering and Erosion. Weathering. Changes that occur in sediments and rocks near Earth’s surface Two main types: chemical and physical. Chemical: minerals are chemically altered or dissolved. Physical: fragmentation. Physical and chemical weathering go hand in hand.

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Weathering and Erosion. Chapter 14. Chapter 14. Weathering and Erosion. Table of Contents. Section 1 Weathering Processes Section 2 Rates of Weathering Section 3 Soil Section 4 Erosion. Chapter 14. Section 1 Weathering Processes. Weathering Processes.

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Weathering and Erosion. Chapter 3: Introduction. 8 main terms to learn. Weathering Erosion Denudation Mechanical weathering Chemical weathering Transport Deposition Agents of weathering. Weathering. The breaking down of rocks that lie exposed to the weather. Erosion.

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DENUDATION: Weathering and Erosion

DENUDATION: Weathering and Erosion. Introduction. DENUDATION refers to the wearing down and stripping and leveling of the earths surface. They are also gradational because they grade/level the earth’s surface. 2 processes: weathering and erosion .

581 views • 18 slides

Weathering and Erosion

Weathering and Erosion. Weathering. Alteration of rock materials during exposure to air, moisture, and organic matter. Responsible for limited changes in the Earth’s surface Soften bedrock Two Types of Weathering Chemical Weathering Physical Weathering. Physical Weathering.

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Weathering And Erosion

Weathering And Erosion. Weathering And Erosion. Root Pry. The tree is growing in the rock and soon the rock will break apart because of the tree roots. . This is a picture of the Half Dome. The rock is peeling away from the mountain in layers just like an onion. .

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Weathering and Erosion

Weathering and Erosion. Painted Desert, Arizona. Weathering Vs. Erosion. Weathering The general process in which rocks are broken down at the Earth’s surface Mechanical – rocks broken w/o changing composition Chemical – minerals are altered or dissolved Erosion

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Weathering and Erosion. Chapter 2 : Section 1. I. Effects of Weathering. A. Weathering. Weathering is the process that breaks down rock and other substances at earths surface. a. Heat, cold , water, and ice, oxygen, CO2. Effects Continued. B. Erosion.

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Erosion and Weathering

Erosion and Weathering. Erosion.

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Weathering and Erosion. Weathering. Is the breakdown of Earth’s crust into smaller pieces. Physical Weathering. Process by which rocks are broken down into smaller pieces by external conditions. Types of Physical weathering Frost heaving and Frost wedging Plant roots Friction and impact

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Weathering and Erosion

Weathering and Erosion. Weathering. The breakdown of the materials of Earth’s crust into smaller pieces. Physical Weathering. Process by which rocks are broken down into smaller pieces by external conditions. Types of Physical weathering Frost heaving and Frost wedging Plant roots

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Weathering and Erosion

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Weathering and Erosion. Weathering and Erosion. Weathering: The disintegration or decomposition of rocks on the Earth's surface. Two types: Mechanical and Chemical. Mechanical Weathering. Mechanical Weathering:

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Weathering and Erosion. Objective: Define and identify two types of slow processes that change the landforms on our Earth. Did You Know?. Did you know that our Earth is changing everyday? Some changes happen quickly. Example- Volcano Some changes happen slowly.

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Erosion and Weathering

Erosion and Weathering. What is erosion?. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it) The wearing away of the earth’s surface by natural processes corrosion: erosion by chemical action. Types of Erosion. Water Wind Glacier Soil

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Weathering and Erosion

Weathering and Erosion. Chapters 14 & 18. Weathering Watch Brain POP. The breaking down of rock 2 types: mechanical and chemical. Mechanical Weathering. Rock is broken down by physical means Types: Ice wedging (freezing and expansion)

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