KSIĄŻKI POWIĄZANE ZE SŁOWEM «ANORTHOSITE»
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Locally, anorthosite grades into gabbro by an increase in the content of mafic
minerals. Buddington (1939) divided this sequence into four rock types
depending upon the amount of ferromagnesian minerals present: anorthosite
with 0 to 10%, ...
B. A. Kennedy, Bruce A. Kennedy, Society for Mining, Metallurgy, and Exploration (U.S.), 1990
2
Handbook of Aluminum: Vol. 1: Physical Metallurgy and Processes
Resources considered were clay, anorthosite, alunite, dawsonite contained in oil
shale, and coal as and coal shale [25,37]. Most of the research on alumina
recovery from anorthosite was concentrated on the lime-soda-sinter process [38].
George E. Totten, D. Scott MacKenzie, 2003
3
Geology of Titanium-mineral Deposits
Only two suites of igneous rocks contain titanium-mineral deposits that are
currently considered valuable: the anorthosite- ferrodiorite massifs discussed in
this chapter and alkalic ring complexes discussed in Chapter 4. The reason that ...
4
Proterozoic Tectonic Evolution of the Grenville Orogen in ...
At the contact between anorthosite and xenocryst- bearing charnockite it is
common to find the anorthosite in a state of disruption, including permeation by
charnockite into interstices between plagioclase grains (Fig. 3, C). Such
infiltration ...
5
Metasomatic Metamorphism in Western Clearwater County, Idaho
COMPARISON OF THE OCCURRENCES OF ANORTHOSITE On the basis of the
above descriptions of the anortho- site in the Boehls Butte quadrangle, it is
evident that there are a few similarities but also several marked differences
between ...
Anna Martta Hietanen, 1962
6
Geological Survey Professional Paper
tain as much as 30 percent alumina (table 6). Although only general geologic
reconnaissance investigations have been completed in several large areas, the
anorthosite bodies are known to underlie thousands of square kilometers. A
report ...
7
The Grenville Event in the Appalachians and Related Topics
METAMORPHOSED IGNEOUS ROCKS AND PEGMATITES Meta-A northosite
Several large domical masses of the metamorphosed anorthosite, totaling about
2,750 km2 in map area, occur in the Adirondacks (Fig. l). The largest body is the ...
Mervin J. Bartholomew, 1984
8
The Making of a Land: Geology of Norway
Anorthosite landscape in Rogaland. (Photo: G. Meyer) The Rogaland Anorthosite
Province consists of two large and several smaller anorthosite bodies. The
western part of the Egersund-Ogna anorthosite consists entirely of anorthosite,
but ...
9
United States Geological Survey Professional Paper
The areas of anorthosite would probably come next in extent to those of granite,
but analyses of anorthosite are woefully few. The Sudbury, Cobalt, and Rainy
Lake areas are much better known through a very considerable number of good
...
10
Geological Survey Professional Paper
OLIGOCLASE ANORTHOSITE The gray granular anorthosite has undergone
alteration of the same type as the nearly white andesine anorthosite. It is now
composed of antiperthitic oligoclase of about the composition Abw, pyroxene
partly ...
Geological Survey (U.S.), 1942
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «ANORTHOSITE»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
anorthosite w wiadomościach.
Short Interest in Avalon Rare Metals Inc (US listing) Increases By 5.6 …
Its other properties include Separation Rapids Lithium-Tantalum Project and Warren Township Anorthosite Project in Ontario; East Kemptville ... «WKRB News, Cze 15»
Avalon Rare Metals Inc (US listing) Short Interest Up 5.6% in June …
Its other properties include Separation Rapids Lithium-Tantalum Project and Warren Township Anorthosite Project in Ontario; East Kemptville ... «Dakota Financial News, Cze 15»
Vior Commences Exploration Field Program on Foothills Rutile Project
... correspond to outcropping zones of rutile-rich ilmenite cumulates located within and at the boundary of the St-Urbain Anorthosite Complex, ... «Azomining, Cze 15»
Vior Starts Its 2015 Exploration Field Program for Rutile on the …
... correspond to outcropping zones of rutile-rich ilmenite cumulates located within and at the boundary of the St-Urbain Anorthosite Complex, ... «MarketWatch, Cze 15»
Equitas Resources releases VTEM results, plans summer drilling at …
None are explained by the available observed surface geology, a mixture of anorthosite, diorite and granite. The east-west strike of the majority ... «Resource Clips, Maj 15»
Immobilized Yutu rover still providing valuable lunar data (Update)
... ilmenite-rich mantle reservoir and then contaminated by the residual KREEP later beneath the ferroan anorthosite crust as it ascended to the ... «Phys.Org, Kwi 15»
Yutu finds Moon still active in old age
And the material anorthosite plagioclase floated because of its low density, forming a solid crust. Elements that are usually incompatible would ... «Xinhua, Kwi 15»
Hudson Reports Robust Preliminary Economic Assessment (PEA …
The purpose of the study was to evaluate the economics of producing specialty grade alumina utilizing the anorthosite rock from Hudson's ... «Marketwired, Mar 15»
B. Ray Hawke, Lunar Geologist
An early paper (1984) on the Orientale basin was the first to discover that massive blocks of pure anorthosite, an indigenous rock composed ... «Air & Space Magazine, Sty 15»
Moonlight Is a Many-Splendored Thing
... give them a darker color compared to the ancient lunar highlands, which are composed mostly of a lighter volcanic rock called anorthosite. «Universe Today, Gru 14»
