Uplift History of a Betic Fold Nappe Inferred from Neogene-Quaternary
Geologie en Mijnbouw 64: 397-411, 1985 © Martinus Nijhoff Publishers, Dordrecht - Printed in the Netherlands 397 Uplift history of a Betic fold nappe inferred from Neogene-Quaternary sedimentation and tectonics (in the Sierra Alhamilla and Almeria, Sorbas and Tabernas Basins of the Betic Cordilleras, SE Spain) R. Weijermars', Th.B. Roep2, B. Van den Eeckhout3, G. Postma4 & K. Kleverlaan2 `The Hans Ramberg Tectonic Laboratory, Institute of Geology, Uppsala University, Box 555, S-75122 Uppsala, Sweden; 2Geological Institute, University of Amsterdam, 130 Nieuwe Prinsengracht, NL-1018 VZ Amsterdam, The Netherlands; -'Institute for Earth Sciences, University of Utrecht, Budapestlaan 4, NL-3508 TA Utrecht, The Netherlands; 'Geological Institute, University of East Anglia, Norwich NR4 7TJ, United Kingdom Received 8 August 1985; accepted in revised form 16 October 1985 Abstract . Weijermars, R., Th. B. Roep, B. Van den Eeckhout, G. Postma & K. Kleverlaan 1985 Uplift history of a Betic fold nappe inferred from Neogene- Quaternary sedimentation and tectonics (in the Sierra Alhamilla and Almeria, Sorbas and Tabernas Basins of the Betic Cordilleras, SE Spain) - Geol. Mijnbouw 64: 397-411 Structural, stratigraphical and sedimentological studies of the Alhamilla region show that the Sierra Alhamilla was elevated relative to the surrounding basins by open folding towards the end of the Tortonian period (about 7 Ma ago) and before the onset of Messinian sedimentation. The main arguments are: (1) the dominant current direction in the Neogene cover changes
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