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Gold ore identification in Santa Catarina Gabbro using electrical resistivity tomography (ERT) and visualization of mineralization in three dimensions, São Sepé, Rio Grande do Sul, Brazil

Autor: Bruno Daniel Lenhare, César Augusto Moreira, Lenon Melo Ilha

Publikováno v: Geofísica Internacional, Vol 62, Iss 4, Pp 591-606 (2023)

Este trabajo presenta la caracterización geológica-geofísica de una probable ocurrencia de oro en Santa Catarina Gabro, en la región de São Sepé, estado de Rio Grande do Sul, sur de Brasil. Trabajos anteriores han indicado la presencia de oro e

Externí odkaz: https://doaj.org/article/d6fef9b48afe476aaf1e5bdef5c4765e

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Chemoselective fluorination of 2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-ones using DAST

Autor: Carson W. Whietan, Gisele R. Paim, Lenon M. Oliveira, Nilo Zanatta, Liliane M. F. Porte, Helio G. Bonacorso, Fábio M. Luz, Jussara Navarini, Marcos A. P. Martins

Publikováno v: Tetrahedron Letters. 52(26):3333-3335

In this study, diethylaminosulfur trifluoride (DAST) was successfully applied in monofluorination reactions of some trifluoromethyl substituted 2-hydroxy-2H-chromenones, employing a general, mild, and efficient methodology. The fluorinated compounds

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a57444b86e62f7bdfa222f22acd4a64

Geophysical prospection in a copper occurrence localized in Camaquã sedimentary basin (RS)

Autor: César Augusto Moreira, Lenon M Ilha

Publikováno v: SciELO
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Rem: Revista Escola de Minas v.64 n.3 2011
REM. Revista Escola de Minas
Escola de Minas
instacron:ESCOLA DE MINAS
Rem: Revista Escola de Minas, Volume: 64, Issue: 3, Pages: 305-311, Published: SEP 2011

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Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b37b942f7a78ff8a226928fe08c06c0d