Zobrazeno 1 - 7 of 7 pro vyhledávání: '"Marta Henriques Jácomo"'
1
The Carbonatite-Related Morro do Padre Niobium Deposit, Catalão II Complex, Central Brazil
Autor: Matheus Palmieri, José Affonso Brod, Pedro Cordeiro, José Carlos Gaspar, Paulo Afonso Ribeiro Barbosa, Luis Carlos de Assis, Tereza Cristina Junqueira-Brod, Sério Eduardo e Silva, Bruno Palhares Milanezi, Sergio Augusto Machado, Marta Henriques Jácomo
Publikováno v: Economic Geology. 117:1497-1520
The Morro do Padre deposit contains a valuable niobium resource estimated at 14.5 Mt at 1.52 wt % Nb2O5 (at a cut-off grade of 0.5% Nb2O5) hosted in carbonatite-related rocks and their regolith in the southern part of the Catalão II Complex, in cent
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d381a3ca6eb07be7b91d619d38252c0
https://doi.org/10.5382/econgeo.4951
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4
Magnetic matrix effects on NMR relaxation times in sandstones: A case study in Solimões Basin
Autor: Everton Lucas-Oliveira, Marta Henriques Jácomo, Ricardo I.F. Trindade, Tito José Bonagamba
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Pore distribution estimates based on Nuclear Magnetic Resonance (NMR) can be strongly affected by the presence of magnetic field gradients between the pore and the grain’s surface. Here we investigate the effect of the magnetic matrix on Uere and J
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55d3979a1951ee61c3da8931b5d4a531
https://doi.org/10.1016/j.jappgeo.2020.104081
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6
THE USE OF ALTERNATIVE METHODS FOR DIFFERENTIATION OF BANDED IRON FORMATIONS AND IRON ORE IN THE BODY N4WS, SERRA NORTE – CARAJ´AS MINERAL PROVINCE
Autor: Catarina Laboué Benfica Toledo, Marta Henriques Jácomo, Vitor Nascimento Nascimento, Augusto César Bittencourt Pires, Luciano Mozer de Assis, Adalene Moreira Silva
Publikováno v: Revista Brasileira de Geofísica. 34
The use of non-traditional geophysicalmethods is becoming increasingly common in activities involving iron ore, as the increasing ore demand intensified the competition in the international market. This motivated us to integrate the physical properti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ff2ea090067a6600372dc16459f373f
https://doi.org/10.22564/rbgf.v34i1.784
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7
Associação De Magnetometria, Gamaespectrometria, Geoquímica E Petrografia Para Modelamento Tridimensional Da Mineralização De Nióbio Do Depósito Morro Do Padre, Goiás, Brasil
Autor: Augusto César Bittencourt Piresa, Matheus Palmieric, Marta Henriques Jácomo, Tereza Cristina Junqueira Brod, Aldo José Duarte Ferrar, José Affonso Broda
Publikováno v: IV Simpósio Brasileiro de Geofísica.
O deposito primario de Nb do Morro do Padre, no complexo carbonatitico de Catalao II, consiste de concentracoes de pirocloro em nelsonitos associados a apatititos, carbonatitos, picritos e piroxenitos, todos intrusivos em rochas metasedimentares feni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a0a52acd43277858e62225c96c689e6
https://doi.org/10.3997/2214-4609-pdb.197.sbgf_2242
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