Wind erosion, sea erosion, glacier erosion and chemical erosion are all types of erosion that effect amphiboles.
Amphibolite Amphibolite is a common metamorphic rock. Amphibolite Epidote amphibolite Feather amphibolite Chlorite amphibolite Ortho-amphibolite Para-amphibolite Post-eclogite amphibolite Pyroxene amphibolite Davianite.
The original rock protolith is usually a basaltic or doleritic rock, but may be a tuffaceous or calcareous sediment. Quartz , magnetite , and calcite can also be present in small amounts. Kyanite and sillimanite are often produced by reaction of muscovite and quartz. Internet URLs are the best.
Amphibolite often has features that are smooth to the touch, matrix variable, and shiny looking. Any text you add should be original, not copied from other sources.
Amphibolite is a rock of convergent plate boundaries where heat and pressure cause regional metamorphism. This article was most recently revised and updated by John P.
Amphibolite is often used commercially in cemetery markers, commemorative tablets, and creating artwork Amphibolite is used for exterior building stones, facing stones, curbing, and paving stone.
Please note that our editors may make some formatting changes or correct spelling or grammatical errors, and may also contact you if any clarifications are needed. Fluorescent Minerals. As the content of quartz increases, the rock grades into hornblende plagioclase gneiss. December 6, 2015 at 18: Any text you add should be original, not copied from other sources.
Colorful images and articles about diamonds and colored stones. The disappearance of epidote and increase in calcium in plagioclase are characteristic chemical changes as metamorphic intensity increases through this facies. Unfortunately, our editorial approach may not be able to accommodate all contributions. Amphibolite with epidote The name amphibolite has been used in geological literature for nearly 200 years, since Brongniart 1813.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:. Fettes et al.