GEOL 1 Lecture Notes - Lecture 9: Hardpan, Lithification, Weathered

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19 Oct 2020
Department
Course
Professor
Jeff Koo
Geol 1
Physical Geology
Spring 2019
4 Units
Soil
Various definitions
Unconsolidated material above bedrock
Weathered material & organic matter
Supports plant life
Soil horizons
Soils and climate
Pedalfer
Pedocal
Hardpan
Laterites
Bauxite-principal ore of Al
Sediments and sedimentary rocks
Sediments result from
Weathering and erosion
Precipitation from solution
Sediments are unconsolidated
Classified by particles size
Gravel- pebbles, cobbles, boulders
Sand
Silt
Clay
Sediment
Transportation
Rounding
Sorting
Deposition
Environment of deposition
Preservation and lithification
Lithification (on exam)
Compaction
Decrease in pore space
Cementation
Classic texture
Crystallization
Crystalline texture
Clastic sedimentary rocks
Lithification transforms loose sediment into solid rock
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