Date post: | 03-Jan-2016 |
Category: |
Documents |
Upload: | dulcie-nicholson |
View: | 218 times |
Download: | 1 times |
RocksRocks are aggregates of minerals
Identification of Rocks is by texture and compositionTexture is the size, shape and arrangement of grainsComposition is the minerals in the rock.
Grain SizeFine
Medium
Coarse
Glassy
Arrangement - Cemented
Arrangement - Interlocking
Arrangement - Foliated
Arrangement - Frothy
04_02.jpgIgneous Rocks cooling of magma or lava. Intrusive and ExtrusiveComposition: silicic, mafic, intermediate
Sedimentary RocksClastic cemented fragmentsCarbonates cemented shell fragmentsChemical precipitated from water interlockingComposition (Minerals): calcite, dolomite, quartz, halite
Regional Metamorphism - Foliation
06_17.jpgContact Metamorphism of LimestoneLimestoneMarble