Chapter 9 - Chapter 9 Weathering and Soils 1 C HAPTER 9: W...

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Unformatted text preview: Chapter 9 Weathering and Soils 1 C HAPTER 9: W EAT HER I NG AND SOILS F OR WATER CONT I NUALLY DROPP I NG WI L L WEAR HARD ROCKS H O L LOW – P LUTARC H , GREEK H IS TOR IAN WHE N T H E SOI L IS GONE , M E N M UST GO ; AND T H E PROCESS DOES NO T TAKE LONG – T H EOR DORE ROOSEV ELT , US PRES I D E N T HOW D I D T H ESE VOLCAN IC ROCKS D E VE LOP T H E APPEARANCE OF SWISS CHE ESE Chapter 9 Weathering and Soils 2 CHAPTER 9:1 T H E D I RT ON WEAT HER I NG PG . 244 KEY POINTS: • Weathering breaks down and alters rocks and minerals at or near Earth’s surface. • Weathering can slowly degrade historical monuments and buildings. • There are three types of weathering; physical, chemical, and biological. • Regolith is the physically, chemically, and/or biologically weathered remains of rock. • Soils are composed of regolith, water, air, and organic materials. Commonplace actions are similar to the simple geologic processes that slowly wear down rocks at or near Earth’s surface. surface....
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This note was uploaded on 06/14/2011 for the course PHSC 1001 taught by Professor Gabrielclay during the Fall '09 term at Walden University.

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Chapter 9 - Chapter 9 Weathering and Soils 1 C HAPTER 9: W...

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