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lherzolite

Overview page. Subjects: Earth Sciences and Geography.

A two-pyroxene- and olivine-bearing, coarse-grained, ultrabasic rock consisting of essential magnesium-rich olivine, chromium-magnesium clinopyroxene (Cr-diopside), magnesium orthopyroxene...

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lherzolite

Overview page. Subjects: Earth Sciences and Geography.

A two-pyroxene- and olivine-bearing, coarse-grained, ultrabasic rock consisting of essential magnesium-rich olivine, chromium-magnesium clinopyroxene (Cr-diopside), magnesium orthopyroxene...

See overview in Oxford Index

lherzolite

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 102 words.

A two-pyroxene- and olivine-bearing, coarse-grained, ultrabasic rock consisting of essential magnesium-rich olivine, chromium-magnesium clinopyroxene (Cr-diopside), magnesium orthopyroxene (

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lherzolite

Edited by Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 103 words.

A two-*pyroxene- and *olivine-bearing, coarse-grained, *ultrabasic rock consisting of essential magnesium-rich olivine, chromium-magnesium *clinopyroxene

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Rheological Properties of Partially Molten Lherzolite

MARK E. ZIMMERMAN and DAVID L. KOHLSTEDT.

in Journal of Petrology

February 2004; p ublished online February 2004 .

Journal Article. Subjects: Petrology. 13623 words.

Lherzolite samples synthesized from fine-grained powders prepared from a natural xenolith were deformed at P = 300 MPa and 1373 ≤ T ≤ 1573 K in a high-resolution gas-medium deformation...

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Formation of Plagioclase Lherzolite and Associated Dunite–Harzburgite–Lherzolite Sequences by Multiple Episodes of Melt Percolation and Melt–Rock Reaction: an Example from the Trinity Ophiolite, California, USA

Nick Dygert, Yan Liang and Peter B. Kelemen.

in Journal of Petrology

April 2016; p ublished online May 2016 .

Journal Article. Subjects: Petrology. 13947 words.

Tabular dunite bodies are thought to represent remnants of high-porosity pathways for efficient melt extraction from the mantle. They form by melt–rock reaction, an important physical...

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Garnet Lherzolites from the Kaapvaal Craton (South Africa): Trace Element Evidence for a Metasomatic History

M. GRÉGOIRE, D. R. BELL and A. P. LE ROEX.

in Journal of Petrology

April 2003; p ublished online April 2003 .

Journal Article. Subjects: Petrology. 10603 words.

Kimberlites from the Kaapvaal craton have sampled numerous mantle garnet lherzolites in addition to garnet harzburgites. Trace element characteristics of constituent clinopyroxenes allow...

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The Stability of Plagioclase in the Upper Mantle: Subsolidus Experiments on Fertile and Depleted Lherzolite

Giulio Borghini, Patrizia Fumagalli and Elisabetta Rampone.

in Journal of Petrology

January 2010; p ublished online December 2009 .

Journal Article. Subjects: Petrology. 15624 words.

Plagioclase peridotites are important markers of processes that characterize the petrological and tectonic evolution of the lithospheric mantle in extensional tectonic settings. Studies on...

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Fractionation of Platinum-group Elements and Gold in the Upper Mantle: a Detailed Study in Pyrenean Orogenic Lherzolites

Jean-Pierre Lorand, Laure Pattou and Michel Gros.

in Journal of Petrology

June 1999; p ublished online June 1999 .

Journal Article. Subjects: Petrology. 14054 words.

Platinum-group elements (PGE) and gold have been analysed in 68 mantle peridotite samples (lherzolites, cpx-poor lherzolites and harzburgites) from Pyrenean orogenic massifs. These samples...

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An Experimental Study of Liquid Compositions in Equilibrium with Plagioclase + Spinel Lherzolite at Low Pressures (0·75 GPa)

Françoise Chalot-prat, Trevor J. Falloon, David H. Green and William O. Hibberson.

in Journal of Petrology

November 2010; p ublished online October 2010 .

Journal Article. Subjects: Petrology. 14238 words.

Models of formation of basaltic crust at mid-ocean ridges by adiabatic upwelling of fertile mantle lherzolite require knowledge of phase relations and phase compositions during melting at...

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Origin of Plagioclase Lherzolite from the Nikanbetsu Peridotite Complex, Hokkaido, Northern Japan: Implications for Incipient Melt Migration and Segregation in the Partially Molten Upper Mantle

NATSUKO TAKAHASHI.

in Journal of Petrology

January 2001; p ublished online January 2001 .

Journal Article. Subjects: Petrology. 7631 words.

The Nikanbetsu peridotite complex, Hokkaido, Japan, is composed of mainly fertile lherzolite, which shows several lines of evidence for incipient partial melting in the spinel–plagioclase...

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