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Type: Artigo de periódico
Title: Outcrop Gamma-ray Spectrometry Applications To The Sinemurian-pliensbachian Organic-rich Facies Of The Lusitanian Basin (portugal) [utilização Da Espectrometria De Raios Gama Na Caracterização Das Fácies Ricas Em Matéria Orgânica Do Sinemuriano-pliensbaquiano Da Bacia Lusitânica (portugal)]
Author: Correia G.G.
Duarte L.V.
Pereira A.C.
Silva R.L.
Mendonca Filho J.G.
Abstract: This work provides detailed information of outcrop gamma-ray logging from the Sinemurian-Pliensbachian organic-rich units (Água de Madeiros and Vale das Fontes formations) of the Lusitanian Basin. The study included total and spectral gamma-ray measurements in outcrop and laboratory, Total Organic Carbon (TOC) content and whole-rock mineralogical characterization by Xray diffraction, carried out in the two most important outcrop areas of the Western Lusitanian Basin (S. Pedro de Moel and Peniche). The outcrop data was compared with subsurface information. From our results, we emphasize the relation between U and TOC. A significant to highly significant correlation is generally observed between these two variables, however other lithological and geochemical parameters of the organic-rich facies may determine some variations. © 2013 LNEG - Laboratório Nacional de Geologia e Energia IP.
Rights: fechado
Identifier DOI: 
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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