«Mud-mounds» en sedimentos lacustres someros del Mioceno medio de la cuenca de Madrid

J. P. Calvo; M. Hoyos; M. García del Cura

doi:10.3989/egeol.85415-6716

«Mud-mounds» en sedimentos lacustres someros del Mioceno medio de la cuenca de Madrid

Authors

J. P. Calvo Departamento de Petrología. Facultad de Geología. Universidad Complutense. Madrid
M. Hoyos Museo Naciona de Ciencias Naturales.
M. García del Cura Instituto de Geología Económica C.S.I.C.

DOI:

https://doi.org/10.3989/egeol.85415-6716

Keywords:

Carbonate buildups, Rhizoliths, Lacustrine environment, Continental sedimentation, Miocene, Madrid Basin.

Abstract

Several non-tuffaceous carbonate buildups have been recognized in middle Miocene sediments of the Madrid Basin. Facies associations lead to conclude that carbonate buildups developed in shallow lacustrine areas, Detailed morphology and internal structure of the buildups are shown. A dense, sometimes discontinuous, rhizolith network is displayed in the mud-mound cores whereas surficial dessicated crusts are commonly observed in the outer parto Small wedge-c1astic breccias from eroded flanks of the buildups have been locally distinguished as well. Mud-mound growth took place through successive stages controlled by lake level oscillations.

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Published

1985-12-30

How to Cite

Calvo, J. P., Hoyos, M., & García del Cura, M. (1985). «Mud-mounds» en sedimentos lacustres someros del Mioceno medio de la cuenca de Madrid. Estudios Geológicos, 41(5-6), 359–368. https://doi.org/10.3989/egeol.85415-6716

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Issue

Vol. 41 No. 5-6 (1985)

Section

Articles

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