ROCK CYCLES. 0.0 / 5 ? ScienceEnvironmental changeGCSEAll boards Created by: nab010300Created on: 01-12-13 22:39 What are Igneous rocks? Rocks which are formed from the cooling and solidifying of magma 1 of 8 What is it called when the cooling takes place on earth surface like in a volcano. Extrusive Basalt ( happens quickly ) 2 of 8 What is it called when the cooling takes place slowly inside the earth crust? Intrusive Granite 3 of 8 These rocks usually contain randomly arranged interlocking...... Crystals 4 of 8 Igneous are usually very... Very Hard 5 of 8 What are sedimentary rocks? Rocks formed when layers of small particles collect on the sea bed and have the water squeezed out of them. 6 of 8 The particles become cemented together by..... mineral salts 7 of 8 Sedimentary rocks are.... Grainy and crumbly 8 of 8
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