Results 31 to 40 of about 44 (43)

A chronological and chemical zircon study of some pegmatite dikes and lenses from the central part (Ayoquezco-Ejutla) of the Oaxacan Complex, southern Mexico

Revista Mexicana de Ciencias Geológicas, 2015
Hemos realizado un estudio geocronológico y geoquímico de los circones de siete pegmatitas colectadas en la zona central (ZimatlánAyoquezco-Ejutla) del Complejo Oaxaqueño, Sur de México. Las edades U-Pb y los elementos traza se obtuvieron mediante LA-ICP-
Valentina Shchepetilnikova, Jesús Solé, Luigi Solari, Fanis Abdullin   +3 more
doaj  

U-Pb dating and geochemical dataset of fracture-filling calcite veins from the Bóixols-Sant Corneli anticline (Southern Pyrenees). [PDF]

Data Brief, 2022
Muñoz-López D, Cruset D, Vergés J, Cantarero I, Benedicto A, Baqués V, Mangenot X, Albert R, Gerdes A, Beranoaguirre A, Travé A.   +10 more
europepmc   +1 more source

Magmatismo cálcio-alcalino Calimiano no embasamento do Terreno Jauru (Província Rondoniana - San Ignácio), Cráton Amazônico: geoquímica e geocronologia Sm-Nd E U/Pb

Brazilian Journal of Geology
RESUMO: O Ortognaisse Taquarussu e o Granodiorito Guadalupe, parte da Província Rondoniana-San Ignácio, SW do Cráton Amazônico, correspondem a corpos orientados segundo um trend principal NW.
Frankie James Serrano Fachetti, Ana Cláudia Dantas da Costa, Carlos Humberto da Silva   +2 more
doaj   +1 more source

The Montecristo mining district, northern Chile: the relationship between vein-like magnetite-(apatite) and iron oxide-copper-gold deposits. [PDF]

Miner Depos, 2023
Mateo L, Tornos F, Hanchar JM, Villa IM, Stein HJ, Delgado A.   +5 more
europepmc   +1 more source

Geocronologia U-Pb em zircão de rochas intrusivas e de embasamento na região do Vale do Jacurici, Cráton do São Francisco, Bahia

Brazilian Journal of Geology
RESUMO O Complexo Jacurici, NE do Cráton do São Francisco, é constituído de vários corpos máficos-ultramáficos N-S mineralizados a Cr, possivelmente fragmentos de um único sill rompido durante deformação.
Carlos José Sobrinho da Silveira, José Carlos Frantz, Juliana Charão Marques, Waldemir José Alves de Queiroz, Siegbert Roos, Vinicius Medina Peixoto   +5 more
doaj   +1 more source

Re-Os molybdenite and LA-ICPMS-MC U-Pb zircon geochronology for the Milpillas porphyry copper deposit: insights for the timing of mineralization in the Cananea District, Sonora, Mexico

Revista Mexicana de Ciencias Geológicas, 2018
New geochronological data presented here improves the understanding of the temporal evolution of the Cananea Mining District, and particularly of the Milpillas porphyry copper deposit (northeastern Sonora, Mexico).
Víctor A. Valencia, Benito Noguez-Alcántara, Fernando Barra, Joaquín Ruiz, George Gehrels, Francisco Quintanar, Martín Valencia-Moreno   +6 more
doaj  

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

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

Caldera formation and progressive batholith construction: Geochronological, petrographic and stratigraphic constraints from the Coxcatlán-Tilzapotla area, Sierra Madre del Sur, Mexico

Revista Mexicana de Ciencias Geológicas, 2014
Un rasgo de mucho interés en la provincia volcánica del Eoceno tardío-Oligoceno temprano de la Sierra Madre del Sur es la estructura dómica de forma elíptica, orientada al NW-SE (52 × 30 km) y ubicada en el área de Coxcatlán-Tilzapotla.
Barbara M. Martiny, Dante J. Morán-Zenteno, Luigi Solari, Margarita López-Martínez, Shanaka L. de Silva, Diana Flores-Huerta, Lilibeth Zúñiga-Lagunes, Laura Luna-González   +7 more
doaj  

Barren Miocene granitoids in the Central Andean metallogenic belt, Chile: Geochemistry and Nd-Hf and U-Pb isotope systematics Granitoides estériles del Mioceno en la franja metalogénica de los Andes Centrales, Chile: geoquímica e isotopía de Nd-Hf y U-Pb

Andean Geology, 2010
Four Middle-to-Late Miocene barren plutonic complexes that occur between the giant porphyry copper deposits of the central Chilean Andes were selected for U-Pb LA-ICPMS geochronology and Hf-isotope systematics on single zircon grains.
Katja Deckart, Estanislao Godoy, Alfredo Bertens, Daniela Jerez, Ayesha Saeed   +4 more
doaj