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The Eocene carbonate platforms of the westernmost Tethys: a review
According to the prevailing view in literature, two Eocene carbonate platform belts developed on northern and southern margins of the Tethys Ocean. However, Eocene platforms in the Malaguide −Ghomaride Units (Betic-Rifian Arc; Spain and Morocco, respectively) in intermediate position to the classic platform belts have been proposed in recent literature. A number of representative Ypresian […]
Cenozoic tectono-sedimentary evolution of the external rif chain (Morocco)derived from mudrocks
A model of the Cenozoic tectono-sedimentary evolution of the External Rif Chain (Morocco) is provided by means of the study of the mineralogical and geochemical composition of mudrocks. To date there was a lack of homogeneous data and of a complete and extensive study of the whole External Rif Zone (ERZ). Therefore, this work shows […]
Alicante University geology students visit Ojos Negros quarry
Students of the third course of Geology of the Alicante University within the subject of Regional Geology: visit the abandon Ojos Negros quarry. This is an excellent Ordovician-Silurian section of the Hirnantian glaciation. The picture shows the student at the quarry border.
Spanish Geological Congress in Avila
A paper on geological cycles during the Eocene in the Prebetic (SE Spain) was presented at the XI Spanish Geological Congress held Ávila (Spain) from July 1 to 6, 2024. The picture show the poster and the participant José Enrique Tent-Manclús. Cite as: Tent-Manclús, J. E., Martín-Martín, M., Miclăuș, C., Tosquella, J., Serrano, F. y […]
Miocene evolution Moroccan External Rif Zone
The Miocene evolution of the External Rif Zone (NW Africa Plate) was determined through multidisciplinary analysis of fourteen successions. The updated stratigraphic framework shows how Miocene sediments rest on the Cretaceous–Paleogene terrains through unconformity surfaces, whereas it rests with sedimentary continuity in two sectors. After recognition of lithofacies and three unconformities located near the Oligocene–Aquitanian, […]
Cenozoic tectono-sedimentary evolution of the onshore-offshore Tunisian Tell: Implications for oil-gas research
A review of the paleogeographic and tectonic reconstruction of the onshore and offshore Tunisian margin during the Cenozoic is discussed. Five unconformities (A to E) and associated stratigraphic gaps of various vertical extents allow subdivision of the stratigraphic record into depositional units in the following time intervals: (i) Paleocene-Oligocene, (ii) Oligocene-early Aquitanian, (iii) early Aquitanian-Burdigalian, […]
3D modeling of the stratigraphic and structural architecture of the Crotone basin (southern Italiy) using machie learning with Python
The 3D modeling and representation of geological data have experienced significant growth within last years, due to the use of new technologies derived from advancements in land representation methods. These technologies enable interactive, intuitive and clear geological visualizations. This paper shows how, by using the open-source Python software (operable with a simple internet browser) for […]
3D Visualization of geological structures using Python: the case study of the Palomeque sheets
The goal of this paper is the construction of computerized 3D visualization of geological structures. Several Python applications have been used to adapt the paper map-based geological classical information to numerical geological maps represented in HTML files. The models include a map with the stratigraphic and structural contacts and symbols, five serial vertical sections, and […]
Field trip in Morocco: Searching for the Nummulites
The Africa call… Well the third field work campaign the project. This time in the Middle Atlas of Morocco. The objetive was to find Nummulites as the ones in the Betic or in the Rif. The picture shows the members of the team. Picture taken by Soufian Maaté. Manuel Bullejos Lorenzo (Granada University) Rachid Hlila […]
Small scale RT cycles in Prebetic Lower-Middle Eocene (Alicante)
In the study of the Alicante External Prebetic Eocene platforms, ten sedimentary facies were defined in field based on lithology and fossil content observed, as follows: L1 – limestone (lmst.) with Alveolina; L2 – lmst. with small Nummulites (< 3 cm diameter); L3 – lmst. with big Nummulites (>3 cm diameter); L4 – algal lmst.; L5 – lmst. […]
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