1. Weathering, Erosion and Deposition
A Changing Earth
Weathering, Erosion and Deposition

3. What will break
down, or weather, rock?

5. or move, the rocks and soil?
What will erode,
or move, the rocks and soil?

6. Precipitation

7. Ice or Temperature Changes

8. Moving Water

9. Plant Roots

10. Glacier Movement

11. Wind

12. Gravity

13. Deposition
The rocks or sediment being dropped in a new location

14. Nile River delta in Egypt

16. Deposit rock in a new location..
Name the forces:
Weather or break rock..
Erode or carry rock…
Deposit rock in a new location..
The list is similar for each!!!

17. erosion and deposition
What evidence
of weathering,
erosion and deposition
can you identify?

20. Navajo sandstone shows timeless weathering
Navajo sandstone shows timeless weathering. Paria Canyon - Vermillion Cliffs Wilderness Area, Bureau of Land Management, Arizona, Colorado Plateau.

22. Badlands at sunset showing results of weathering and erosion

24. Badlands, clay hills worn away by weathering and erosion

25. The Grand Canyon

27. Large granite rocks on beach amidst tropical trees
Large granite rocks on beach amidst tropical trees. Republic of Seychelles, Africa.

29. Mount McKinley, Denali National Park, Alaska.

30. Navajo sandstone in detail. Colorado Plateau, Utah/Arizona.

33. An Aletsch glacier in Switzerland.

34. Glacier Bay, Alaska.

42. Navajo sandstone shows patterns of wind erosion
Navajo sandstone shows patterns of wind erosion. Paria Canyon - Vermillion Cliffs Wilderness Area, Bureau of Land Management, Arizona, Colorado Plateau

43. Weathered swirls of canyon rock
Weathered swirls of canyon rock. Colorado Plateau, Slot Canyon, Antelope Canyon, Utah.

45. Tree roots growing into rock.

47. Glacier; grooves carved during ice age by rocks at bottom

49. Glacier-carved mountain top

50. Detail of striated patterns on rock during a cloudy, winter day
Detail of striated patterns on rock during a cloudy, winter day. Zion National Park, Utah.

53. Glacier Groves

54. Glacial moraine

55. Mushroom rock at sunset looms precariously next to water
Mushroom rock at sunset looms precariously next to water. Puerto Ballandra near LaPaz, Baja.

57. The Indus River near Mohenjodero, Pakistan.

59. The Colorado River.

60. The Yukon River from the air, Canada.

61. Colorado River canyons in Utah

64. Eureka Dunes, Death Valley National Park, California

66. Great Sand Dunes National Monument, Colorado
Great Sand Dunes National Monument, Colorado. Complex dunes attain a maximum height of 800 feet above the floor of the valley. Sangre de Cristo Range is in the background.

68. Mineral-rich water evaporates and forms gypsum sand that the wind blows into huge dunes. Such dunes are constantly moving and changing their shape

71. The sand forms a pedestal on which the plants can survive after the dune in which they first grew blows away.