Chapter 6: Weathering and soil x
leathening - physical chemical processes that alter rocks and minerals. so Frosion-removal of weathered materials bos-running water, wind, glaciers, and waves 1 Weathering is the essential part of the rock cycle.
-parent rock (original material) breaks down youn into sediments Don't forget about the age old question of Define criminal law.
- Raw matenals forsedimentary rocks.
1 - Responsible for soil formation Differential Weathering takes place at differentrates.
different properties give different weathering rates.
weathening alteration of rocks/minerals A Erosion-removal of altered matenals a
mechanical Weathering-mechanically hamar the size consta of materials
Chemical Weathering -weathenny through an alteration wol of chemical composistion to Don't forget about the age old question of Who is bartolome de las casas?
Mechanical Weathering - ebony - Physical forces break down materials a -Small pieces retain the composission of the parent matenal (not changing the woon.
1. Frost Action water freezing and thawing in cracks. rapport water expands when freering & creates a bigger Crack 1.15. pules This would likely occur in an area where temperatures We also discuss several other topics like What is used for categorical variables?
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cool/warm repeatedly) 2. Pressure Release - energy released by outward
- The Greater the surface area= more
effective weathering of The rate of chemical weathenng depends on minerals their characteristics or properties -Quartz is the most stable and less susceptible Don't forget about the age old question of What makes a persuasion attempt successful?
to chemical weathering
Sphenidal weathering - angular rocks (square/ jazee edged) tend to found cluring chemical coster
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'expansón contracting 4. Growth of salt Crystals-grow an expand Don't forget about the age old question of What is the duration of stm?
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Chemical Weathering - decomposing of rocks
and minerals by Chemical alteration in seria To Chemical and mineralogy changesso
-Atmosphere gases including oxygen, water,
1. Solution-rocks dissolve now ! Ho Calcite (Call 2) in limestone rapidly dissolves
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