Harzburgite, Germany
Harzburgite, an ultramafic, igneous rock, is a variety of peridotite consisting mostly of the two minerals olivine and low-calcium (Ca) pyroxene (enstatite); it is named for occurrences in the Harz Mountains of Germany. It commonly contains a few percent chromium-rich spinel as an accessory mineral. Garnet-bearing harzburgite is much less common, found most commonly as xenoliths in kimberlite.
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Keywords: -calcium, clinopyroxene, composition, content, cooling, formation, germany, group, harzburgite, high-temperature, igneous, mantle, mantle-derived, mineral, olivine, olivine-rich, ophiolite, orthopyroxene, peridotite, plutonic, pyroxene, rock, sequences, settings, slow, specimen, tectonic, ultramafic, upper
