EOSC 210 Study Guide - Midterm Guide: Damping Ratio, Causal Inference, Systematic Chaos
30 Dec 2016
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Mechanical &/ chemical breakdown of (cid:396)o(cid:272)ks e(cid:454)posed at the ea(cid:396)th"s su(cid:396)fa(cid:272)e i(cid:374)to smaller particles that may differ in. Physical removal of material by mobile composition from the original substance agents such as water, wind, ice, or gravity. Trois rivieres, quebec pyrrhotite (iron sulphide) found in quarried rocks (1996-2008) Crushed rock used as concrete aggregate for foundations & buildings. Oxidation of pyrrhotite in concrete aggregate from local quarry. Exposure triggers chemical reaction in which mineral begins to swell. List & describe different types of mechanical & chemical weathering. Processes that split large rocks into smaller one by exerting forces that exceed the strength of the rock, do not change mineral make-up: frost wedging. Water along fractures in rocks freeze, expands & exceeds the tensile strength of the rock, causing it to split (vice ~9% more than the vh2o) Produces large angular blocks of rock called talus (scree: salt wedging.
