Saturday, February 27, 2010

weathering of rocks by water

Ocean Weather Rock Split by Frozen Water

Ocean Weather Rock Split by Frozen Water

Rocks weathered by the movement of water. Image 1: Weathered rock releases

Rocks weathered by the movement of water. Image 1: Weathered rock releases

 weathering pits form where water collects and accentuates rates of

weathering pits form where water collects and accentuates rates of

This photograph shows differential weathering of a fractured rock surface.

This photograph shows differential weathering of a fractured rock surface.

Water can dissolve many minerals that hold rocks together. Water can also

Water can dissolve many minerals that hold rocks together. Water can also

Weathering of near-surface carbonate rocks under a pristine tallgrass

Weathering of near-surface carbonate rocks under a pristine tallgrass

A conceptual diagram showing how weathering breaks down rocks and minerals;

A conceptual diagram showing how weathering breaks down rocks and minerals;

In nature, water is able to enter all cracks and openings in rock.

In nature, water is able to enter all cracks and openings in rock.

Formed by years of weathering and erosion by water and wind.

Formed by years of weathering and erosion by water and wind.

Water is the main chemical weathering agent.Oxygen dissolved in water will

Water is the main chemical weathering agent.Oxygen dissolved in water will

the downhill movement of weathered rock materials (i.e. regolith) by

the downhill movement of weathered rock materials (i.e. regolith) by

of the National Park Service shows an example of a weathering rock.

of the National Park Service shows an example of a weathering rock.

Here are some weathered rocks. Weathering and erosion of the cliffs at Broad

Here are some weathered rocks. Weathering and erosion of the cliffs at Broad

 of the National Park Service shows an example of a weathering rock.

of the National Park Service shows an example of a weathering rock.

The weathering process takes place in water. Following weathering, all that

The weathering process takes place in water. Following weathering, all that

Water proably has the greatest effect on weathering and erosion.

Water proably has the greatest effect on weathering and erosion.

Discovering Rocks; A Closer Look At Rocks; Weathering of Rocks

Discovering Rocks; A Closer Look At Rocks; Weathering of Rocks

Freeze-thaw begins when water enters the cracks in bare rock.

Freeze-thaw begins when water enters the cracks in bare rock.

A weakening of the minerals in a rock can occur when ions of H+ and OH- from

A weakening of the minerals in a rock can occur when ions of H+ and OH- from

Fin of a rock, left to finish weathering in the wind.

Fin of a rock, left to finish weathering in the wind.

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