Earth Sciences 1022A/B Lecture Notes - Lecture 1: Plagio, Phanerite, Silicate Minerals
27 Apr 2016
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Quarts, potassium and sodi- um feldspar, muscovite, bi- otite, and amphibole. Sodium and calcium plagio- clase feldspar, amphibole, and biotite. Olivine, pyroxene, and small amount of calcium plagio- clase feldspar. Not far from clay, quartz, feldspar, and mi- cas. Rounded rock fragments of any composition mountain or hill base. Clastic: coarse, gravel with round pebbles, coarse surroundings. Quartz with atleast 25% feldspar sediments) than shale, white to light grey. Coral reefs stone fine grained, coarse, con- chodial fracture. Non-clastic: abundant fossils in calcite matrix, rough, dark brown and grey. Building materials white/cream, porous (an- in europe gular), banded. 2h2o ter, restricted basins of water coarse crystal, white/cream. Winter road treat- ment (salt for the ter, restricted basins of water coarse crystalline, white/ clear roads) Coal is mined for to be used as a fossil fuel (steal making, electricity) Slate quartz, muscovite, chlorite clay-rich mud rocks, such as shale fractures (grey green, soft waxy)
