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Orthoclase Feldspar Wisconsinmilwaukee

Orthoclase Feldspar Wisconsinmilwaukee: Orthoclase. Orthoclase, or orthoclase feldspar (endmember formula K Al Si 3 O 8), is an important tectosilicate mineral which forms igneous rock.The name is from the Ancient Greek for "straight fracture," because its two cleavage planes are at right angles to each other. It is a type of potassium feldspar

Hydrogeology of Crystalline Rocks Geology Fault

2019-12-27  Shap is a typical two-feldspar granite and such microtextural diversity, and by implication fluid-feldspar reaction, is the norm. 5.3 UNZIPPING OF ORTHOCLASE Relaxation of strain in the tweed microtexture of orthoclase, with the development of microcline, accompanies deuteric coarsening in Or-rich feldspars (Sec. 5.2) or drives unzipping in its

Hydrogeology of Crystalline Rocks Geology Fault

2019-12-27  Shap is a typical two-feldspar granite and such microtextural diversity, and by implication fluid-feldspar reaction, is the norm. 5.3 UNZIPPING OF ORTHOCLASE Relaxation of strain in the tweed microtexture of orthoclase, with the development of microcline, accompanies deuteric coarsening in Or-rich feldspars (Sec. 5.2) or drives unzipping in its