Typomorphism of perthitic intergrowth of feldspars from granitic pegmatites from the area of west Azov (Ukrainian shield) [PDF]
, 2014 Приведены данные о вещественном составе графических пегматитов с различной специализацией кварца и отмечено широкое развитие пертитовых вростков в полевых шпатах.
Slivnaya, E. V. +2 more
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Post-collisional Pan-African granitoids and rare metal pegmatites in western Nigeria: age, petrogenesis, and the ‘pegmatite conundrum’ [PDF]
, 2014 The Minna area of western Nigeria lies within a Pan-African orogenic belt that extends along the margin of the West African Craton, from Algeria southwards through Nigeria, Benin and Ghana, and into the Borborema Province of Brazil.
Garba, A. +4 more
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Industrial mineral resources of Zambia [PDF]
, 2000 Zambia has for many years been heavily dependent upon the mining of copper which, combined with cobalt production, represents over 98% of mineral sales and 75% of export earnings (1997 figures).
Mitchell, Clive
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The structure and petrology of the Cnoc nan Cuilean Intrusion, Loch Loyal Syenite Complex, NW Scotland [PDF]
, 2013 In NW Scotland, several alkaline intrusive complexes of Silurian age intrude the Caledonian orogenic front. The most northerly is the Loch Loyal Syenite Complex, which is divided into three separate intrusions (Ben Loyal, Beinn Stumanadh and Cnoc nan ...
Goodenough, Kathryn M. +5 more
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Textural and mineral-chemistry constraints on columbite-group minerals in the Penouta deposit: evidence from magmatic and fluid-related processes [PDF]
, 2018 The Penouta Sn-Ta deposit, in the northwest of Spain, is a greisenized granitic cupola where Ta minerals occur mainly as disseminations in a leucogranite body intruded in Precambrian–Lower Cambrian gneisses and mica-schists. This leucogranite is a medium-
Alfonso Abella, María Pura +11 more
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The Mountain Pass Rare-Earth Deposits [PDF]
, 1954 Rare-earth minerals were discovered near Mountain Pass in northeastern San Bernardino County, Calif., in April 1949, and in the following year the Sulphide Queen carbonate body was found.
Olson, J. C., Pray, L. C.
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Petrographic Studies of Potash Feldspar from the Yamato Sanmyaku, East Antarctica [PDF]
, 1966 The Yamato Sanmyaku is a mountain range located about 200km south of Prins Harald Kyst, East Antarctica. The mountains are composed of charnockitic group and granitic group rocks which were described geologically and petrographically by K. KIZAKI (1965).
Koshiro KIZAKI +3 more
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Mineralogia dos filões aplito-pegmatíticos litiníferos da região de Segura [PDF]
, 2010 Na região de Segura, os filões aplito-pegmatíticos litiníferos Variscos intruíram o Complexo Xisto-Grauváquico, Câmbrico. Osfilões pegmatíticos são do tipo REL-Li e incluem-se na família dos pegmatitos LCT.
Antunes, I. Margarida H. Ribeiro +3 more
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Structural and paragenetic analysis of swarms of bubble like pegmatites in a miarolitic granite from Assunção South – Viseu – Central Portugal [PDF]
, 2013 Publicado em "PEG 2013 : Contributions to The 6th International Symposium on Granitic ...
Araújo, Pedro P. +7 more
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Effects of F, B2O3 and P2O5 on the solubility of water in haplogranite melts compared to natural silicate melts [PDF]
, 1993 The effects of F, B2O3 and P2O5 on the H2O solubility in a haplogranite liquid (36 wt. % SiO2, 39 wt. % NaAlSi3O8, 25 wt. % KAlSi3O8) have been determined at 0.5, 1, 2, and 3 kb and 800, 850, and 900°C.
Behrens, Harald +2 more
core +1 more source