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Weathering & Erosion.

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Presentation on theme: "Weathering & Erosion."— Presentation transcript:

1 Weathering & Erosion

2 River Erosion – Arizona, Colorado River
Grand Canyon

3 Gust front dust cloud moving across the Big Spring Field Station Wind Erosion – Big Spring, Texas

4 Glacial Erosion – Troughs
Yosemite National Park, Wyoming

5 Arches National Park Moab, Utah
Wind Erosion Arches National Park Moab, Utah This one is 291 ft across – the size of a football field – the narrowest part is only 6ft wide

6 Mass Movement- Slump

7 River Erosion - Arizona

8 Wave Erosion - The process of uplift, fluctuating sea levels, and wave erosion is etched on the rocks of Cape Flattery, Washington. Benches visible just above the current waterline represent prehistoric sea level. Click image for a larger view.

9 River Erosion and Deposition
near Arncliffe, England

10 Glacial Erosion – Fjord
The steep sides of Doubtful Sound (New Zealand) indicate that it is a flooded glacial valley, formed when the world's sea levels rose following the last ice age. Glacial Erosion – Fjord

11 Stream Erosion Rock Creek San Gabriel Mountain, CA

12 Chalk outcroppings--dome, sugar-loaf and table-shaped--symbolize the different stages of wind erosion White Desert - Egypt

13 High Tide

14 Bay of Fundy, New Brunswick Hopewell Rocks Provincial Park
Low Tide Bay of Fundy, New Brunswick Hopewell Rocks Provincial Park Canada

15 World famous El Arco - the rock arch of Los Cabos – Baja California
Wave Erosion Rocks on Cabo Pulmo beach are worn smooth and round by eons of wave erosion

16 Niagra Falls Taken from satellites From Ontario, Canada

17 La Conchita, CA 1995 landslide 

18 Wind Erosion Mars, the planet

19 Brazil Napa, California Guatemala Mudslides

20 Glacial Erosion – Rock Glacier
Atlin Mountain in northern British Columbia, Canada

21 Weathering - water collects and accentuates rates of chemical weathering

22 Water pockets caused by wind erosion
Mars, Utah

23 What type of weathering caused this rock to
break in half?

24 Mass Movement - Creep

25 River Erosion - Gua Kerbau River
Malaysia

26 Wind Erosion Sahara, Africa

27 Glacial Erosion – Hornes created by the action of erosion and oversteepening of the headwall of a glacier cirque.

28 Wind Erosion – Tarn Cave, South Africa Soft Layers have been eroded away

29 Glacial Erosion - Abrasion

30

31 Water Erosion of Limestone – River Ardeche, France

32 Glacial Erosion – Himalayas, Tibet

33 River Erosion Waimea Canyon Kauai, Hawaii


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