Weathering – the wearing down of rock material into finer particlesMechanical Weathering – physical changing of the rock Frost action – ice freezing , ice expands and breaks the rock, thaws, refills Abrasion – wearing down of the rock by scouring of smaller materials, sand, pebbles Wetting and drying – the alternating of expanding Foliation – the cracking of rocks in long thin sheets over a dome are rock area Jointing- cracks created by the cooling of rocks that get acted upon by frost action and break the rock into large chunks
-the climate must be cool to cold (water must freeze) and thaw and wet/humid
Chemical weathering – the rock c...
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