GEOL 104 Lect7

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Department
Geological Sciences and Geological Engineering
Course
GEOL 104
Professor
Michael T.Mc Bride
Semester
Winter

Description
When it comes to ripple marks remember to memorise the diagrams AND PRACTISE DRAWING THEM take very careful care with ripple waves Mud cracks Mud cracks form in clayrich sediment as it dries and shrinks Concretion or nodule is a localised concentration of cement or mineral matterOften growing around a nucleusdifferent from the enclosing rockmay be subspherical Geode a hollow rounded body wih crystals growing inward features of sedimentary rocksPhysical features like beddingChemical features like geodesfossils evidence of past lifeInformation we attain from sedimentary
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