Pyroxenite - Wikipedia
WebPyroxenite is an ultramafic igneous rock consisting essentially of minerals of the pyroxene group, such as augite, diopside, hypersthene, bronzite or enstatite. Pyroxenites are classified into clinopyroxenites, orthopyroxenites, and the websterites which contain both types of pyroxenes (see diagram below).
Clinopyroxenite: Mineral information, data and localities.
WebMineralogy of Clinopyroxenite Hide. Essential minerals - these are minerals that are required within the classification of this rock: Pyroxene > Clinopyroxene. A petrological term for Clinopyroxene Subgroup. Non-essential minerals - these minerals are common, sometimes major components, but are not always present: Olivine Group.
Clinopyroxene Subgroup: Mineral information, data and localities.
WebPyroxene Group. A subgroup name for monoclinic Pyroxene Group minerals. Compare Orthopyroxene Subgroup. The most widespread members include aegirine, augite, hedenbergite and diopside. Compare UM2004-50-SiO:AlFeGd. Note: the so-called "Ca-Tschermak molecule" is now known as kushiroite.
Clinopyroxene - an overview | ScienceDirect Topics
WebClinopyroxene is a major host for sodium, calcium, chromium, and titanium in mantle xenoliths and shows extensive solid solution toward orthopyroxene and/or garnet at high P and T in the mantle ( Boyd, 1969, 1970; Brey and Köhler, 1990 ).
Origin and Metamorphic Evolution of Garnet Clinopyroxenite …
WebJan 1, 2011 · The unique Hujialing Grt clinopyroxenite provides an opportunity to study origin of lamellar phases, mineral behavior, and rock textural and structural readjustment during subduction-zone metamorphism; this in turn provides insights into the juxtaposition processes of mantle and crust during the collision of …
Mineral chemistry of megacrysts and associated clinopyroxenite …
WebFeb 11, 2019 · In this work, we add new chemical data on the composition of the Cerro Pelado and El Aprisco megacrysts, on minerals of clinopyroxenite and glimmerite (phlogopite-rich clinopyroxenite) enclaves, together with …
Minerals | Free Full-Text | Microstructural Relationship between
WebNov 6, 2023 · Olivine and clinopyroxene are two of the main minerals in ultramafic rocks and can form dunite, wehrlite, olivine clinopyroxenite, and clinopyroxenite in the order of increasing clinopyroxene percentage. Although not as common as orthopyroxene, clinopyroxene is an important mineral in mantle rocks [ 1, 2, 3 ].
Garnet clinopyroxenite layers from the mantle sequences
WebOct 15, 2012 · This study aims to define the origin of garnet clinopyroxenite layers from the mantle sequences of the External Ligurian ophiolites. These mantle sequences retain a subcontinental origin and were exposed at a Jurassic ocean–continent transition. The garnet clinopyroxenites are mafic rocks with Mg# values of 66–71.
WebThe protoliths of the garnet clinopyroxenite might be basic or ultrabasic volcanic rocks. Three to four stages of metamorphic mineral assemblages have been found in the garnet clinopyroxenite,...
Garnet Clinopyroxenite ‐ Chlorite Eclogite Transition in a Xenolite ...
WebGarnet Clinopyroxenite ‐ Chlorite Eclogite Transition in a Xenolite from Moses Rock: Further Evidence for Metamorphosed Ophiolites Under the Colorado Plateau - Helmstaedt - 1979 - Special Publications - Wiley Online Library.
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