Results 71 to 80 of about 755 (173)
Genèse d'un granite Rapakivi par transformation de grès arkosiens Lavras : Rio Grande do Sul, Brésil
, 1962 Goñi Juan C. Genèse d'un granite Rapakivi par transformation de grès arkosiens Lavras : Rio Grande do Sul, Brésil. In: Bulletin de la Société française de Minéralogie et de Cristallographie, volume 85, 1, 1962. pp.
Goñi, Juan
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Геофизический журнал, 2015 The article presents the results of monzonites research of the eastern part of Korsun-Novomirgorod pluton. The pluton is situated in the northwestern part of the Ingul megablock.
E. Shestopalova +3 more
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Geologica Acta, 2007 Two magmatic rock suites are distinguished in the Late Precambrian basement of the Southern Sinai (NW Arabian-Nubian Shield, Egypt), namely (a) a calc-alkaline suite, and (b) an alkaline suite.
M.K. Azer
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Formation of Rapakivi Textures in Granite of the Deer Isle Pluton, Maine
, 2007 Ovoid K-feldspar mantled by Na-feldspar is called rapakivi. Rapakivi may form either by (1) decompression during ascent of felsic magma through the crust to a shallow magma chamber or by (2) mixing of mafic- and felsic-magma within a magma chamber.
Kaiser, Jason
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Changes of Granite Rapakivi under the Biofouling Influence
, 2021 Interdisciplinary study of granite rapakivi biofouling in the natural and anthropogenic environment (St. Petersburg, Vyborg, Southern Finland) was carried out. The biodiversity of microorganisms (cyanobacteria, micromycetes, and organotrophic bacteria) and various types of biofilms are characterized.
Dmitry Yu. Vlasov +5 more
openaire +2 more sources
Kinetically driven successive sodic and potassic alteration of feldspar. [PDF]
Nat Commun, 2021 Duan G +5 more
europepmc +1 more source
Natural stone assessment with ground penetrating radar [PDF]
Estonian Journal of Earth Sciences, 2008 The usability of ground penetrating radar in quality assessment of natural stone deposits was tested in porphyritic granite and soapstone. The main interest was to evaluate how the soundness, fracturing, and physical defects can be studied with the ...
Luodes, Hannu
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Magmatismo rapakivi en la cuenca media del río Inírida, departamento de Guainía, Colombia. [PDF]
, 2016 In eastern Colombia, the crystalline basement is intruded by several anorogenic granites of Mesoproterozoic age. One of these anorogenic granitic intrusions outcrops in the area of the indigenous Matraca and Dantacommunities, at the middle Inirida River ...
Frantz, Jose Carlos +5 more
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Some progress on understanding the Phanerozoic granitoids in China
China Geology, 2018 : There are large volumes of the Phanerozoic granitoid rocks in China and neighboring areas. In recent years, numerous new and precise U-Pb zircon ages have been published for these granitoids, and define many important magmatic events, such as ca.
Tao Wang +8 more
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Геофизический журнал, 2011 The results of the field tectonophysical studies done in the central part of the Ukrainian Shield (USh) in 2005-2009 show that the Novoukrainian massif of the trahite-like granites was formed as a result of the latitudinal crustal extension 2,05 billion ...
O.B. Gintov, S. V. Mychak
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