'Weathering processes' presentation slideshows

SEDIMENTOLOGY AND STRATIGRAPHY OUTLINE AND HANDOUTS Introduction I. Course Logistics

SEDIMENTOLOGY AND STRATIGRAPHY OUTLINE AND HANDOUTS Introduction I. Course Logistics II. Why study Sed./Strat? III. The sedimentary cycle A. Weathering; transportation; deposition; diagenesis; upheaval SECTION I: WEATHERING AND SILICICLASTIC ROCKS Weathering

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Constructive or Destructive?

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Weathering, Erosion & Deposition

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Chapter 10 Weathering, Karst Landscapes, and Mass Movement

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Weathering: The Response of Rocks to a New Environment

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Chemical Weathering and Soils

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Weathering and Mass Movement

Weathering and Mass Movement. Landform Development Dynamic Equilibrium Model Uplift creates potential energy of position (disequilibrium) Sun provides heat energy Hydrologic cycle provides kinetic energy Atmosphere and crustal reactions provide chemical energy.

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12.3 Mass Movements and Erosion

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Lecture notes and reading

Lecture notes and reading. Lecture notes All OHPs available via the web. http://www.st-and.ac.uk/~www_sgg/personal/jw9link/jwteach/index.html Key Reading; Weathering and Soils lectures Briggs, D. et. al., 1997. Fundamentals of the Physical Environment, pp 211-233, 322-337 and 338-359.

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Revision ~ River Environments

Revision ~ River Environments. Work covered here links with your revision guides and you will need them for revision lessons. River Environment. Mechanical Weathering. Rock crystals expand and contract Water expands 9% when it freezes to form ice As crystals grow they exert pressure

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Coastal Environments

Coastal Environments. Mechanical Weathering. Rock crystals expand and contract very common as sea has high salt content Water expands 9% when it freezes to form ice less common as sea keeps coast mild As crystals grow they exert pressure Weight is taken off the rock Surface layer flakes off

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Smectites on Early Mars

Smectites on Early Mars. Gain a more quantitative description of conditions bracketing smectite formation in low-T martian geochemical systems From the bottom, up Begin with experimental data on synthetic basalt weathering Experimental approach to smectite precipitation Neoformation

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Rock Cycle

Rock Cycle. Sedimentary Processes. 1) Weathering & erosion. 2) Transport & 3) deposition. 4) Lithification.

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Carbon stocks in a miombo woodland landscape: spatial distributions and controls

Carbon stocks in a miombo woodland landscape: spatial distributions and controls. Emily Woollen, Mathew Williams, Casey Ryan and John Grace The University of Edinburgh, School of GeoSciences EGU - 6 th April 2011, SOC dynamics at different spatial scales. Miombo woodland.

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Tombstone Weathering Lab

Tombstone Weathering Lab. Preparation. Reading on Weathering Processes Lecture on Weathering Processes Chemical Physical Class-generated list of factors controlling weathering rates. Goals. Examine weathered surfaces and infer weathering processes

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ROCKS

ROCKS. Rocks. What are they? Any solid mass of mineral or mineral like matter that occurs naturally Why do we study them Rocks give us insight into the environment which they formed What are the main types Igneous Sedimentary Metamorphic. What are Minerals. Minerals meet 5 criteria

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Aim : What factors determine the rate of weathering?

Aim : What factors determine the rate of weathering?. I. Rate of weathering factors. A. Rock composition. 1. Igneous and metamorphic rocks do not weather easily. 2. Rocks containing the mineral quartz do not weather easily.

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Landforms

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