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UNIVERSITY OF LOUISIANA AT LAFAYETTE / Geology / GEOL 105 / What are physical/chemical processes that alter rocks and minerals?

What are physical/chemical processes that alter rocks and minerals?

What are physical/chemical processes that alter rocks and minerals?

Description

School: University of Louisiana at Lafayette
Department: Geology
Course: Geology and Man
Professor: Jennifer hargrave
Term: Fall 2016
Tags: Geology, man, weathering, rocks, chemical, and mechanical
Cost: 25
Name: Chapter 6 Notes from 10/11
Description: Notes on chapter 6 from class on Tuesday 10/11.
Uploaded: 10/13/2016
3 Pages 40 Views 4 Unlocks
Reviews


Test 3


What is a physical/chemical processes that alter rocks and minerals?



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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.


What 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.

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weathening alteration of rocks/minerals A Erosion-removal of altered matenals a


What is mechanical weathering?



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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?

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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

expansion

- 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

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Sphenidal weathering - angular rocks (square/ jazee edged) tend to found cluring chemical coster

weathering.

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Chemical Weathering - decomposing of rocks

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-Atmosphere gases including oxygen, water,

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