anorthosite


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an·or·tho·site

 (ăn-ôr′thə-sīt′)
n.
An igneous rock consisting almost entirely of plagioclase feldspar, especially the labradorite variety.
[French anorthose, a kind of feldspar (Greek an-, not; see a-1 + Greek orthos, straight) + -ite.]
an·or′tho·sit′ic (-sĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anorthosite

(ænˈɔːθəˌsaɪt)
n
(Geological Science) a coarse-grained plutonic igneous rock consisting almost entirely of plagioclase feldspar
[C19: from French anorthose (see an-, ortho-) + -ite1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

an•or•tho•site

(ænˈɔr θəˌsaɪt)

n.
a granular plutonic rock composed largely of labradorite or a more calcic feldspar.
[1860–65; < French anorthose (an- an-1 + Greek orthós straight) + -ite1]
an•or`tho•sit′ic (-ˈsɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
GreenSpar is a form of the mineral Anorthosite (aluminosilicate), a rare compositional variety of plagioclase feldspar.
HUDSON RESOURCES ANNOUNCES PRODUCT DISTRIBUTION AGREEMENT FOR THE UNITED STATES WITH TERRA FIRMA
The discovery of a rock called anorthosite showed that the moon had once been the site of very complex geological processes.
Moon landing anniversary: Apollo 11's Neil Armstrong took 'giant leap' 50 years ago today; The Apollo 11 moon landing on 20 July 1969 was one of the seminal moments in modern history. Here's what happened and what we learned
The "Genesis Rock," a 4.4 billion-year-old anorthosite sample approximately 2 inches in length, brought back by Apollo 15 and used to determine the moon was formed by a giant impact, is lit inside a pressurized nitrogen-filled examination case in the lunar lab at the NASA Johnson Space Center Monday, June 17, 2019, in Houston.
NASA to open moon rock samples sealed since Apollo missions
Among them were green, yellow, and orange volcanic beads; black basalts from the dark maria regions; twisted breccias cemented together by meteorite impacts; and a light-toned rock called anorthosite.
The Moon Mess
Christie's auction offered an Egyptian fossil limestone jar, from the first and second dynasties, dating back to 3000-2650 BC, as well as an Egyptian anorthosite gneiss bowel, from the first and second dynasties, dating back to 3000 -- 2650BC.
Sotheby's auction vies with Christie's on selling Egyptian antiquities in London
and Zhou, W.G.: 2002, The experimental studies on electrical conductivities and P-wave velocities of anorthosite at high pressure and high temperature.
TEMPERATURE AND PRESSURE EFFECT ON PERMEABILITY OF CHINESE SANDSTONE: A REVIEW
Govindaraju, "Report (1980) on three GIT-IWG rock reference samples: anorthosite from Greenland, AN-G; basalte d' Essey-la-Cote, BE-N; granite de Beauvoir, MAN," Geostandards Newsletter, vol.
Statistically Coherent Calibration of X-Ray Fluorescence Spectrometry for Major Elements in Rocks and Minerals
Lithology varies between mostly anorthosite and granodiorite (Table 12).
Caracteristicas y procesos dinamicos de los catastroficos movimientos de detritos en el condado de Wenchuan, China, el 10 de julio de 2013--caso de estudio

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