与 «PIGEONITE»相关的英语书籍
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pigeonite的用法。与
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The three-phase assemblage, orthopyroxene (Wo4)-pigeonite (Wo85)-augite (
Wo25.4) present in the Weiselberg andesite may represent a unique phase
equilibrium, developed at a lower temperature than the two-phase assemblage of
the ...
William Alexander Deer, Robert Andrew Howie, J. Zussman, 1997
2
Essentials of Igneous and Metamorphic Petrology
In the middle of the quadrilateral is the Ca-poor clinopyroxene series, pigeonite.
To understand how the three solution series (augite, pigeonite, and
orthopyroxene) are related, consider relations on a T-X slice across the
quadrilateral (Figure ...
B. Ronald Frost, Carol D. Frost, 2013
3
Geological Survey Professional Paper
Mineral abbreviations: Q, quartz; Ksp, K-feldspar; Alb. albite; Oli. oligodase; Pc.
calcic plagioclase: Lab, labradorite; Byt. bytownite; Cpx, clinopyroxene, Aug,
augite; Pig, pigeonite; 01, olivine; Amp, amphibole; Hb, hornblende; Ac, actino-
lite; ...
Geological Survey (U.S.), 1981
4
Crystal Chemistry and Refractivity
coarse (5-15 )im\ exsolution lamellae of pigeonite oriented into the obtuse angle
a A c (Fig. 15.9}. Host pigeonite may also exsolve comparable coarse lamellae of
augite. On slow cooling, host pigeonite will undergo phase inversion to ...
5
Studies in Earth and Space Sciences: A Memoir in Honor of ...
Pigeonite has not so far been recorded from probable mantle-derived materials,
although it appears to be stable to at least 20 kb (Brown, 1968, Fig. 10). Inverted
pigeonites are now accepted as such by most mineralogists, although only one ...
Harry Hammond Hess, Reginald Shagam, 1973
6
Principles of Igneous and Metamorphic Petrology
orthopyroxene and augite exsolve from one another on planes that very nearly
parallel (100). Pigeonite that cools slowly first develops fine (001) lamellae of
augite. On cooling to the clino- to ortho-inversion temperature (Fig. 10.29(B)), the
...
Anthony Philpotts, Jay Ague, 2009
7
Evolution of Mid Ocean Ridges
q/(q+pl+ol). Fig. 8. TiO, versus normative q/(q+pl+ol) of one atmosphere,
experimental liquids coexisting with either a pseudo- univariant olivine, augite,
and plagioclase assemblage (open symbols) or a pseudo- invariant pigeonite,
olivine, ...
8
The Palisades Sill, New Jersey
Pigeonite in the Mg-rich fractionation stages has a complementary relationship to
orthopyroxene of the Palisades type, which is inverted pigeonite. No evidence
has been seen to suggest that pigeonite bears a direct reaction relationship to
the ...
Kenneth Russell Walker, 1969
9
U.S. Geological Survey Professional Paper
Kanoite MnMgSi206 1.0 Clinoferrosilite Pigeonite. Johannsenite CaMnSi206 1.0
Hedenbergite Diopside. Ashley (1986) NaMn+3Si206 1.0 Acmite Jadeite.
Rhodonite CaMn4(Si03)5 1.0 Ferrobustamite Unknown. Pyroxmangite Mn7(Si03
)7 1.0 ...
10
Earth Materials: Introduction to Mineralogy and Petrology
Pigeonite compositional re ion - - 9 Augite Compositional exsolution region 0
augite lamallae//I001} mr—J Compositional region of enstatite Temperature A . at
which 12000 _ - - _ _ _ _ _ _ '\\S pigeonite \ - _ _ _ _ _ _ _ _ \ inverts to enstatite ...
Cornelis Klein, Anthony Philpotts, 2012
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X-Ray Diffraction Helps Identify Dozen Martian Minerals
The Rocknest data reveal abundant plagioclase (30 weight %), Fe-forsterite (16%), augite (11%), pigeonite (10%), magnetite (1.5%), and ... «Sci-News.com, 十二月 14»
What did Dawn learn at Vesta?
The 3 pyroxenes are: Enstatite -Ferrosilite 90% Mg-Fe, 10 % Ca pyroxene Pigeonite- 75% Mg-Fe, 25% Ca pyroxene Augite- 50%-75% Mg-Fe, ... «The Planetary Society, 十月 14»
Mojave crater is source of most Martian meteorites
Shergottite consists mostly of olivine, the pyroxene mineral pigeonite, and plagioclase feldspar, making it a basalt. Shergottites get their name ... «DigitalJournal.com, 三月 14»
UA student finds 'Hawaiian beach' sand on Mars
Other minerals identified in the Martian sample are plagioclase, augite and pigeonite, with small amounts of K-feldspar, magnetite, quartz and ... «Phys.Org, 十月 13»
Jonathon Keats' Space Agency Launches Arty Exotourism
"The minerals, including pyroxene and ulvospinel and pigeonite, will be used by your body to make bone and tissue," he said. "Exploring Mars ... «Wired News, 十月 10»
The impact and recovery of asteroid 2008 TC 3
... wt%; Cr2O3 = 0.03–1.58 wt%), low-calcium pyroxene (Fs2Wo5–Fs17Wo4; Cr2O3 = 0.33–1.02 wt%), pigeonite (Fs15Wo5–Fs18Wo11; Cr2O3 ... «Nature.com, 三月 09»
Cryptomare magmatism 4.35 Gyr ago recorded in lunar meteorite …
Pyroxene grains are zoned with compositions from pigeonite to augite (En3–64Fs28–59Wo7–41) and commonly display exsolution lamellae at ... «Nature.com, 十二月 07»
