Browsing NGU Open Archive by Author "Broekmans, Maarten A. T. M."
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Chemical composition of black shale from four locations, greater Oslo area, Norway
Broekmans, Maarten A. T. M.; Sæther, Ola M. (NGU-Rapport (2008.092), Report, 2009)Chemical analyses of main, minor and trace elements have been made of Ordovician black (alum-) shale samples collected at two different localities and one waste pile in the greater Oslo area.\rThe study is aimed at ... -
Impregnation-fluorescence petrography of black-shales from the greater Oslo area
Broekmans, Maarten A. T. M.; Sæther, Ola M. (NGU-Rapport (2007.080), Report, 2008)Extra thin sections have been made of Ordovician black (alum-) shale samples collected at two different localities and one waste pile in the greater Oslo area.\r