Results 31 to 40 of about 501 (102)
, 2011 0 objetivo do presente trabalho consistiu em estudar algumas propriedades físicas do mineral natural de silicato PIROPO, urn dos seis membros do Grupo Granada. A granada, que foi-nos vendida como sendo piropo, a análise por fluorescência de raios-
Sara Rosalbina Quispe Espinoza
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GEOELECTRIC MODELING OF SUPERGENIC MANGANESE OCURRENCE IN HELIODORA REGION, SOUTHERN MINAS GERAIS
, 2016 . This paper discusses the results of the combined application of Electric resistivity and Induced Polarization methods into a mineral occurrence of manganese of supergenic origin, characterized by oxides of manganese and iron with terrain to powdery ...
Walter Malagutti Filho +3 more
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Geosystems and GeoenvironmentA large (900 km long by 50-60 km wide) Early Triassic dyke swarm intruded along the northern margin of the Siberian platform in the Yenisei-Khatanga trough, crossing the Noril’sk, Kamensky and Maimecha-Kotui provinces.
V.V. Ryabov +5 more
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Diamond-bearing ophiolites and their geological occurrence
, 2015 We document in this study the geological occurrence of diamonds and other ultrahigh-pressure (UHP) minerals in ophiolitic mantle peridotites and podiform chromitites from different orogenic belts.
Jing-Sui Yang
semanticscholar +1 more source
Acta Metallurgica SlovacaThis paper studies the phase formation processes during the agglomeration of manganese ores of the "Tur" deposit. When introducing dolomite into the composition of the agglomeration batch from the position of thermodynamic-diagram analysis MgO-MnO-CaO ...
Ablay Zhunussov +6 more
semanticscholar +1 more source
Metamorphism of sedimentary manganese deposits [PDF]
, 1972 Metamorphosed sedimentary deposits of manganese occur extensively in India, Brazil, U. S. A., Australia, New Zealand, U. S. S. R., West and South West Africa, Madagascar and Japan.
Roy Supriya
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The ca. 370 Ma Eastern Shore dykes include six single or multiple (two or three) parallel spessartite dykes that trend NNW in the Sheet Harbour area of eastern mainland Nova Scotia.
Nickerson, Shae J. +3 more
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LEUKOKRATNÍ GRANÁTICKO-BIOTITICKÝ GRANIT Z JINÍ ČÁSTI TŘEBÍČSKÉHO PLUTONU [PDF]
, 2016 In the southern edge of the Třebíč pluton felsic garnet-biotite granite was found. Garnet from leucocratic garnet-biotite granite of the Třebíč pluton is part of spessartite-almandine solid solution with significant content of pyrope component.
René, Miloš
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, 2015 The Lindeques Drift and Heidelberg Intrusions and the volcanic Roodekraal Complex belong to a high-Ti mafic igneous suite (HITIS) that was emplaced in the Kaapvaal Craton as km-sized bodies, to the north and north-east of the Vredefort impact structure ...
Graham, IT +2 more
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The Lindeques Drift and Heidelberg Intrusions and the Roodekraal Complex, Vredefort, South Africa : comagmatic plutonic and volcanic products of a 2055 Ma ferrobasaltic magma [PDF]
, 2006 Due to a large file size this article may take a while to downloadThe Lindeques Drift and Heidelberg Intrusions and the volcanic Roodekraal Complex belong to a high-Ti mafic igneous suite (HITIS) that was emplaced in the Kaapvaal Craton as km-sized ...
Armstrong, R.A. (Russell A.) +2 more
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