Describe and discuss the difference between mechanical and chemical weathering p

Question

Describe and discuss the difference between mechanical and chemical weathering processes during the production of clastic sediments. Describe and discuss what happens, and why, to clastic sediments during their transportation in a river. Clastic sediments are deposited when their transport medium looses energy and is no longer able to support the sediment load. When clastic sediments are deposited they commonly display one of three classic bedding/lamination textures that are representative of the environment of deposition. SKETCH and DESCRIBE TWO bedding textures and give EXAMPLES of the environment of deposition. Many mafic parental magmas are produced by partial melting of the upper mantle. The partial melting may be caused by changes in temperature, pressure, or water content. Using schematic phase diagrams, your knowledge of Bowen's reaction series, and tectonic environments, explain how mafic partial melts are created in the upper mantle. What is the relationship between the distribution of minerals in Bown's reaction series and Goldich's weathering series and how does it impact the temperature of mineral crystallization versus mineral stability during weathering?

Explanation / Answer

1. Differences between Mechanical Weathering and Chemical Weathering Processes:

Differences according to Definitions:

Mechanical weathering

Chemical weathering

Differences according to types:

Types of Mechanical weathering:

Types of chemical weathering

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