Organic geochemistry and petrography of
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Michael A. Kruge; Isabel SuΓ‘rez-Ruiz
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Article
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1991
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Elsevier Science
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English
β 501 KB
Four of the principal oil shale units of Spain were examined by organic geochemical and petrographic methods. The samples included three lacustrine shales (Carboniferous from Puertollano, Cretaceous from Llames and Miocene from Rubielos de Mora) and one marine shale (Lower Jurassic from Punta del Cu