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Mostrando ítems 11-20 de 160
U-Th-Pb Shrimp dating of hydrothermal monazite from the Trairão Gold Deposit – Alta Floresta Gold Province (Amazon Craton)
(Sociedade Brasileira de Geologia, 2020)
Lower Carboniferous post-orogenic granites in central-eastern Sierra de Velasco, Sierras Pampeanas, Argentina: U-Pb monazite geochronology, geochemistry and Sr-Nd isotopes
(Springer, 2009-07)
The central-eastern part of the Sierra de Velasco (Sierras Pampeanas, NW Argentina) is formed by the large Huaco (40 x 30 km) and Sanagasta (25 x 15 km) granite massifs and the small La Chinchilla stock (2 x 2 km). The ...
Idades Th-U-PbT de monazita e geotermobarometria de rochas metapelíticas de alto grau do sistema orogênico Itabuna-Salvador-Curaçá, BA, Brasil: um estudo em microssonda eletrônica
(Universidade de São Paulo, Instituto de Geociências, 2002)
Origem e idades químicas U-Th-Pb dos distritos pegmatíticos de Itambé (BA) e Santa Maria de Itabira (MG) revelados pela monazita
(Universidade Federal de Minas GeraisUFMG, 2017-05-12)
Monazite is a phosphate light rare earth element [(LREE)PO4] that occurs as an accessory mineral in a wide variety of rocks, including granite, pegmatite, felsic volcanic ash, felsic gneiss, pelitic schist, gneiss of medium ...
Trans-Amazonian U-Th-Pb monazite ages and P-T-d exhumation paths of garnet-bearing leucogranite and migmatitic country rock of the southeastern Tandilia belt, Rio de la Plata craton in Argentina
(Elsevier Science, 2017-03)
A garnet-bearing leucogranite and two country rocks from the Transamazonian Tandilia belt of the Rio de la Plata craton were studied in detail. The leucogranite contains garnet with homogeneous composition of pyr6(gros + ...
Plutonism in three orogenic pulses, Eastern Blue Ridge Province, southern Appalachians
(Geological Soc America, 2014)
Plutonism in three orogenic pulses, Eastern Blue Ridge Province, southern Appalachians
(Geological Soc America, 2006-01-01)
The Eastern Blue Ridge Province of the southern Appalachians contains, in part, remnants of an Ordovician accretionary wedge complex formed during subduction of an oceanic tract before mid-Ordovician accretion with Laurentia. ...
Geological and SHRIMP II U-Pb constraints on the age and origin of the Breves Cu-Au-(W-Bi-Sn) deposit, Carajis, Brazil
(Springer-verlagNew YorkEUA, 2004)
Pseudosection modeling and U-Pb geochronology on Piranga schists: role of Brasiliano Orogeny in the Southeastern Quadrilátero Ferrífero, Minas Gerais, Brazil
(Sociedade Brasileira de Geologia, 2020)
The Conlara metamorphic complex: Lithology, provenance, metamorphic constraints on the metabasic rocks, and chime monazite dating
(Pergamon-Elsevier Science Ltd, 2021-03)
The Conlara Metamorphic Complex, the easternmost complex of the Sierra de San Luis, is a key unit to understand the relationship between the late Proterozoic-Early Cambrian Pampean and the Upper Cambrian-Middle Ordovician ...