与 «ANORTHOSITIC»相关的英语书籍
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1
Geological Survey of Canada, Open File 2204
Anorthositic Gabbro B30-2 Coarse grained anorthositic gabbro with minor
hypersthene. Moderate alteration. B31-1 Coarse grained anorthositic gabbro with
70% plagioclase. Moderate alteration. B32-7 Coarse grained anorthositic gabbro
with ...
Findlay, J M, Fowler, T D, Birkett, T C
2
Sixth Hutton Symposium on the Origin of Granites and Related ...
One type forms a constituent part of podiform gabbroic pegmatites (Fig. 3a, b); the
other forms individual medium- grained layers (Plagioclase grain size: 2 mm in
length; w50 cm thick) without a pegmatitic part (Fig. 2a). The anorthositic layer is
...
3
Archaean geochemistry: Proceedings of the Symposium on ...
Experimental melting of amphibolite at low pressures (5 kb) yields anorthositic
liquids (Yoder and Tilley, 1962). Rapid adiabatic rise of such magmas would form
layered anorthositic intrusions and possibly anorthositic lavas. Murthy (1976) ...
4
Archean to Anthropocene: Field Guides to the Geology of the ...
Over a poorly exposed interval ~15 m long is an altered, coarse-grained, ophitic
gabbroic anorthosite (sample E) that is texturally and mineralogically identical to
rocks in the anorthositic series. At the beginning of the next well-exposed section
...
James D. Miller, George H. Hudak, Chad Wittkop, 2011
5
Geological Survey Professional Paper
Rb-Sr isochron: anorthositic gabbro, 4.24 + 0.31 (2o) b.y. Age is interpreted as a
younger limit for crystallization of the anorthositic gabbro parent rock (James and
others, 1976a). Exposure age: Kr: 243±7 m.y. (matrix) (James and others, ...
6
Proterozoic Crustal Evolution
Their occurrence lends further support to the role of augite + spinel fractionation
as an explanation for the compositional variation between different anorthositic
plutons in the Nain complex. It also suggests that cumulates with appropriate ...
7
Geological Survey Professional Paper
The primary major minerals of the anorthositic gabbro are labradorite and augite,
and the primary accessory minerals are hyper- sthene, magnetite, and ilmenite.
Scapolite and hornblende, new minerals resulting from metamorphism, are the ...
Geological Survey (U.S.), 1987
8
Progress in Metamorphic and Magmatic Petrology: A Memorial ...
These represent compositions of distinctive, orthopyr- oxene-bearing, iron-rich
monzodioritic rocks found only near the contact of gabbroic- anorthositic and
mangeritic-granitic rocks and referred to as jotunites (deWaard, 1969). The
jotunites ...
9
Field Guide to Meteors and Meteorites
Anorthositic regolith breccias Mare basalts Mingled basalts Fall and find statistics
: Falls—0; Finds—56 Well-known examples: Calcalong Creek, DaG 400, Dag
482, SaU 169 Japanese scientists from the National Institute for Polar Research ...
O. Richard Norton, Lawrence Chitwood, 2008
10
Geological Survey of Canada, Open File 3627
concentrations. The anorthosite, anorthositic norite, noritic anorthosite and norite
lithologies within this 100 to 200 m interval overlying the Ultramafic Zone
distinctly demarcates this critical horizon from the overlying Gabbro Zone and is
similar ...
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Hastings County a hot spot for geologists
Deposits of titanium and vanadium, titaniferous magnetite associated with the “gabbroic phase of anorthositic intrusions,” will be found together ... «www.insidebelleville.com/, 四月 15»
Strength, technique put Duluth climber among country's elite mixed …
From a small parking lot, a trail leads to the quarry, where water seeps from the ground along a 70-foot cliff of anorthositic gabbro, providing ... «Grand Forks Herald, 三月 15»
Rock and ice: Strength, technique put Duluth man among country's …
From a small parking lot, a trail leads to the quarry, where water seeps from the ground along a 70-foot cliff of anorthositic gabbro, providing ... «Duluth News Tribune, 二月 15»
Book Review: The New Moon
Sometimes the details get very precise, as with its careful explanation of Precambrian rhythmites or the amount of KREEP in anorthositic crust. «Universe Today, 二月 15»
Soorten meteorieten: achondrieten
Een goed voorbeeld van een anorthositic regolith breccie is de meteoriet Dar al Gani (DAG) 400, die gevonden werd in de Libische woestijn in 1998. Het is de ... «Spacepage, 十二月 14»
Malagasy Minerals drilling for graphite in Madagascar
Crucially, large anorthositic intrusions present within the sequence created the structural framework, 'pressure shadows', that allowed the ... «Proactive Investors Australia, 十一月 14»
Sama Launches Next Drilling Program at Samapleu and Yepleu …
These deposits are hosted within a newly identified large anorthositic and dioritic layered complex (the "Yacouba Layered Complex") in Côte ... «Azomining, 四月 14»
Arianne Phosphate Announces Positive Lac a Paul Project …
The anorthositic rock of the Lac-Saint-Jean area represents an ... Anorthositic massifs are particularly abundant in the Grenville Province. «MarketWatch, 十月 13»
Now that¿s moonshine! Brewery creates out of this world beer using …
It is mainly created by the breakdown of basaltic and anorthositic rock. These rocks and particles are left on the moon and caused by meteorites ... «Daily Mail, 十月 13»
Simulating lunar craters and the impacts that cause them
Melosh, however, states that there is still plenty of melt production from the anorthositic crust of the Moon with impactors colliding at 10 km/sec. «physicsworld.com, 五月 13»
