RARE EARTH MINERALS IN ALKALINE AND SUBALKALINE ROCKS OF THE BALBUK COMPLEX (SOUTH URALS) [PDF]
Минералогия, 2016 Mineral composition of alkaline and subalkaline rocks of the Balbuk complex (South Urals) is characterized. The major REE minerals are monazite-(Ce), allanite-(Ce), and rhabdophane-(Ce).
E.P. Makagonov, V.A. Kotlyarov
doaj
Geologia Croatica, 2015 In addition to a series of ultramafic to mafic and alkaline igneous rocks, a granite body also occurs in the Ditrău AlkalineMassif, Eastern Carpathians, Romania. We present and discuss mineral chemical data, and major and traceelement compositions of the
Elemer Pal-Molnar +4 more
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Tectonostratigraphic terranes and zones juxtaposed along the Mid-Hungarian Line: their contrasting evolution and relationships [PDF]
, 2010 The Mid-Hungarian (or Zagreb-Zemplin) Line of WSW–ENE strike divides the Pannonian basement into two mega-units, the Tisia Composite Terrane in the SE and the ALCAPA Composite Terrane in the NW. They became juxtaposed no earlier than the Middle Miocene
Brezsnyánszky, Károly +4 more
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Geochemistry and preliminary Sr-Nd isotopic data on the Neoproterozoic granitoids from the Bantoum area, west Cameroon: evidence for a derivation from a Paleoproterozoic to Archaean crust [PDF]
, 2003 The Bantoum area in west Cameroon is composed of migmatitic gneisses associated with parallel strips of amphibolites,quartz-monzonites,biotite-granites, two-mica leucogranites and granitic dikes.Quartz-monzonites are metaluminous (A/CNK=0.8-0.9)I-type ...
Charles Nzolang +3 more
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OXIDES AND SILICATES OF RARE AND RARE-EARTH ELEMENTS IN ALKALINE ROCKS OF THE ILMENOGORSKY BLOCK (SOUTHERN URALS) [PDF]
Минералогия, 2017 A significant part of the REE and rare elements in the rocks of the Ilmenogorsky block forms its own minerals. Oxides and silicates of rare and rare-earth elements in alkaline rocks of Ilmenogorsky block (Southern Urals) include oxynatropyrochlore ...
E.P. Makagonov +2 more
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Dyna, 2016 The early Cretaceous Ciénaga Marbles that crop out in the NW foothills of the Santa Marta Massif (Colombian Caribbean region) present an epigenetic mineral assemblage (skarn-type), overprinting the metamorphic mineral assemblage previously developed ...
Oscar Mauricio Castellanos-AlarcónCarlos +2 more
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Epidote populations in contaminated granitic pegmatites from Northern Portugal [PDF]
, 2010 Publicado em "Acta Mineralogica-Petrographica.
Dias, Patrícia Sofia Alves +1 more
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Jadeitite from Guatemala : new observations and distinctions among multiple occurrences [PDF]
, 2011 In Guatemala, jadeitite occurs as blocks in serpentinite mélange in distinct settings on opposite sides of the Motagua fault. Jadeitites north of the Motagua fault are associated with eclogites, blueschists, and garnet amphibolites and distributed over a
Harlow, G.E. +2 more
core +3 more sources
Open Geosciences, 2015 This study aims to evaluate the activity concentrationsof 238U, 226Ra, 232Th, 228Th and 40K along thebeaches of Kavala being adjacent to the rock-types of theKavala pluton.
Papadopoulos Argyrios +3 more
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The geology and petrogenesis of the southern closepet granite [PDF]
The Archaean Closepet Granite is a polyphase body intruding the Peninsular Gneiss Complex and the associated supracrustal rocks. The granite out-crop runs for nearly 500 km with an approximate width of 20 to 25 km and cut across the regional metamorphic ...
Friend, C. R. L. +3 more
core +1 more source