Geology 0.0 / 5 ? GeologyMineralsA2/A-levelOCR Created by: atomic4Created on: 12-12-20 11:04 Mineral A naturally occuring chemical substance having a definite composition and crystalline structure 1 of 8 Lustre The surface appearance of a mineral, as it interacts with light 2 of 8 Grain boundary The line of contact between mineral crystals in a rock 3 of 8 Solid solution Describes two end members with defined combinations, within which one or more types of atoms may be subsituted 4 of 8 Bridging oxygen An oxygen atom shared by two tetrahedra in a crystal structure 5 of 8 Foliation A texture in metamorphicrocks formed by the preferred alignment of flat/tabular minerals 6 of 8 Weathering The breakdown of rocks in situ 7 of 8 Uplift The return of buried rocks to the earths surface by tectonic forces 8 of 8
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