Geochronology of monazite related to REE, Nb-Ta and U-Th bearing minerals from Mesoproterozoic anorogenic magmatism in the E-Colombian Amazonian Craton: links to mantle plume activity in the Columbia (Nuna) supercontinent

Autor: Alexandre de Oliveira Chaves, Marc Poujol, Jose Alejandro Franco Victoria, Heinrich A. Horn, Thomas Cramer

Publikováno v: Journal of South American Earth Sciences
Journal of South American Earth Sciences, 2021, 109, pp.103228. ⟨10.1016/j.jsames.2021.103228⟩
Journal of South American Earth Sciences, Elsevier, 2021, 109, pp.103228. ⟨10.1016/j.jsames.2021.103228⟩

International audience; U-Th-Pb geochronology of REE-bearing minerals such as monazite and other phosphates has become a precise tool to date mineralization events through geological time. In the E-Colombian Guainía department, from 3 colluvial site

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84aedca6e8e4c4854fe3c0d663955488
https://insu.hal.science/insu-03150739

Megacircones ediacáricos de la sienita nefelínica de San José del Guaviare y su potencial como material de referencia para datación U/Pb mediante LA-ICP-MS

Autor: Jimmy Alejandro Muñoz Rocha, Alejandro Piraquive Bermúdez, José Alejandro Franco Victoria, Amed Bonilla Pérez, Mary Luz Peña Urueña, Thomas Cramer, Lorena del Pilar Rayo Rocha, Nicolás Villamizar Escalante

Publikováno v: Boletín Geológico, Iss 45 (2019)

Con el objetivo de ampliar el conjunto de materiales de referencia del Laboratorio de Geocronología del Servicio Geológico Colombiano (LG-SGC) se colectaron circones provenientes de la sienita nefelínica de San José del Guaviare, localidad del Jo

Externí odkaz: https://doaj.org/article/594f46f5e5ae4a36a2a3480b30824504