Results 81 to 90 of about 2,207 (139)

Isotopic evidence for the origin of Proterozoic massif-type anorthosites and their relation to rapakivi granites in southern Finland and northern Brazil [PDF]

, 2012
The purpose of this study was to apply novel isotopic methods to shed light on the petrogenesis and magmatic evolution of Proterozoic massif-type anorthosites and related rapakivi granites in southern Finland and northern Brazil.
Heinonen, Aku
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Geological and isotopic characteristics of granites from the Western Pernambuco-Alagoas Domain: implications for the crustal evolution of the Neoproterozoic Borborema Province

Brazilian Journal of Geology
The Western Pernambuco-Alagoas Domain is a complex tectonic domain of the Southern part of the Neoproterozoic Borborema Province. It borders the Northern margin of São Francisco Craton. U-Pb and Sm-Nd data discussed in this work show that, in the Western
Rodrigo Fabiano da Cruz, Márcio Martins Pimentel, Ana Cláudia de Aguiar Accioly, Joseneusa Brilhante Rodrigues   +3 more
doaj   +1 more source

Geochronological and geochemical data from fracture-filling calcites from the Lower Pedraforca thrust sheet (SE Pyrenees). [PDF]

Data Brief, 2020
Cruset D, Cantarero I, Benedicto A, John CM, Vergés J, Albert R, Gerdes A, Travé A.   +7 more
europepmc   +1 more source

Estrutura e geoquí­mica das fases magmática e tardimagmática em zircões do maciço graní­tico de Peneda-Gerês (NW Pení­nsula Ibérica) [PDF]

, 2005
Efectuou-se um estudo da estrutura interna e composição química dos zircões de granitos do maciço de Peneda-Gerês (granitos de Gerês, Paufito, Illa e Carris) com recurso a microscópio electrónico de varrimento (MEV) e microssonda electrónica. Este estudo
Dias, G., Mendes, Anabela Carreira, Pupin, J. P.   +2 more
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Revision of Two Spinicaudatan Species from the Cañadón Asfalto Formation (Jurassic), Patagonia Argentina. [PDF]

Zool Stud, 2020
Monferran MD, Gallego OF, Cabaleri NG.
europepmc   +1 more source

Shrimp and conventional U-Pb age, Sm-Nd isotopic characteristics and tectonic significance of the K-rich Itapuranga suite in Goiás, Central Brazil

, 2015
The Itapuranga alkali granite and Uruana quartz syenite are large K-rich EW-elongated intrusions, in the central part of the Neoproterozoic Brasília Belt, central Brazil.
Armstrong, Richard, Dantas, Elton L, Fuck, Reinhardt, Pimentel, Marcio   +3 more
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Neoarchean sanukitoid series in the Karelian Province, Finland [PDF]

, 2011
Sanukitoid series intrusions can be found throughout the Archean Karelian Province of the Fennoscandian shield. All sanukitoids share the same controversial elemental characteristics: they have high content of incompatible elements such as K, Ba, and Sr ...
Heilimo, Esa
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Granate con alto contenido de tierras raras pesadas (HREE) y elevada relación Sm/Nd, en pegmatitas de la Sierra de Valle Fértil (Sierras Pampeanas, Argentina). [PDF]

, 2003
2 p.El trabajo se realizó en el marco de lso proyectos PB97-1246 (MEC) y BTE2001-1486 (MCYT) y PICT98-4189 ...
Baldo, Edgardo G., Casquet, César, Dahlquist, J., Galindo, Carmen, Pankhurst, Robert J., Rapela, Carlos W., Saavedra Alonso, Julio   +6 more
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Preparação de amostras para geocronologia U-Pb em zircões do Granito Traga, Uauá-BA

Anais do Congresso de Iniciação Científica da Unicamp, 2016
Esdras Filipe De Oliveira Luiz, Elson Paiva De Oliveira   +1 more
openaire   +2 more sources

The crystalline units of the High Himalayas in the Lahul-Zanskar region (northwest India): metamorphic-tectonic history and geochronology of the collided and imbricated Indian plate [PDF]

, 2017
In the High Himalayan belt of northwest India, crustal thickening linked to Palaeogene collision between India and Eurasia has led to the formation of two main crystalline tectonic units separated by the syn-metamorphic Miyar Thrust: the High Himalayan ...
Benna, P., Castelli, D., Genovese, G., Meier, M., Oberli, F., Pognante, U., Tonarini, S.   +6 more
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