La Formación Ameghino (Kimmeridgiano-Berriasiano), Cuenca Larsen, Península Antártica, está compuesta por una asociación de microfacies de pelitas con radiolarios (P1), pelitas negras (P2), pelitas bioturbadas y peloidales (P3), tobas (T) y areniscas (A)
Diego A. Kietzmann +3 more
doaj
TRACE ELEMENT STUDY ON THE MIXED CARBONATE-PYROCLASTIC SEDIMENTS (LOWER MIOCENE, CENTRAL BASIN, IRAN) [PDF]
Geochemical investigations have permitted the refinement of the environmental interpretation of the f-Member of the Qum formation, Central Basin, Iran, which has been established through detailed microfacies (MF) analysis.
doaj
Petrología sedimentaria. Notas de teoría. 8. Rocas Carbónaticas: Carbonatos marinos y continentales [PDF]
Este tema se dedica al estudio de las características de las calizas que se forman en distintos contextos sedimentarios. Se parte del análisis de los factores que controlan la sedimentación de carbonatos marinos, para después analizar los rasgos más ...
Alonso-Zarza, Ana María
core +1 more source
Sequence Stratigraphic Analysis of the Mauddud Formation, Central Iraq [PDF]
The Mauddud Formation of central Iraq was deposited within different shallow and deep marine subenviroments on a distally steepend ramp setting, Local tectonism greatly affected the sequence development where the different rates of subsidence of the ...
Gayara, P. A. (Prof)
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The Cretaceous oceanic red beds (CORBs) and their implications for “oceanic oxic events” have been widely studied by geologists globally. In southern Tibet, CORBs are extensively distributed within the Upper Cretaceous strata of the northern Tethyan ...
Yuewei Li +7 more
doaj +1 more source
Distribución y ordenación de Microcodium en la Formación Tremp: anticlinal de Campllong (Pirineos Orientales, provincia de Barcelona) [PDF]
La abundancia excepcional de Microcodium en los sedimentos continentales de la Formación Tremp en el anticlinal de Campllong (Llinás de Berga, Provincia de Barcelona) es un rasgo característico en este tipo de sedimentos, igual que ocurre en otros puntos
Arribas Mocoroa, María Eugenia +3 more
core +1 more source
Observaciones micropaleontológicas en el macizo cretácico de Garraf (Barcelona) [PDF]
El llamado macizo de Garraf ha sido objeto de una serie de observaciones por parte cle renonibrados geólogos y paleontólogos. Sin embargo hasta ahora no se ha hecho ninguna observación micropaleontológica ni de microfacies.
Ferrer, Jorge
core +1 more source
The microbial structures of various genesis are rock-forming components in limestones of the Kizelovian regional substage (the Tournaisian stage) on the Middle Urals eastern slope.
Semen A. Dub (Sapurin)
doaj
Iberopora bodeuri GRANIER & BERTHOU 2002 (incertae sedis) from the Plassen Formation (Kimmeridgian–Berriasian) of the Tethyan Realm [PDF]
Iberopora bodeuri GRANIER & BERTHOU 2002, formerly known as “crust problematicum” (SCHMID, 1996) is described from the Plassen Formation (Kimmeridgian–Berriasian) of the Northern Calcareous Alps (NCA).
F. Schlagintweit
core +1 more source
Ostracods, rock facies and magnetic susceptibility of the Trois-Fontaines and Terres d’Haurs Formations (Early Givetian) in the Rancennes quarry at the Mont d’Haurs (Givet, France) [PDF]
About 1,200 ostracods were extracted from 64 samples collected in the upper part of the Trois-Fontaines Formation (Fm) and in the base of the Terres d’Haurs Fm in the Rancennes quarry located along the western rampart of an historic entrenched military ...
Cambier, G. +4 more
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