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Wyświetlanie 1-2 z 2
Tytuł:
Lithic Technology and Origin of the Stone Raw Material from the Guenfouda Cave (Jerada Province, Eastern Morocco)
Autorzy:
Souhir, Mohamed
Cruz, Sergio Almisas
Aouraghe, Hassan
Mhamdi, Hicham
Powiązania:
https://bibliotekanauki.pl/articles/1955523.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
Guenfouda
prehistoric cave
Oujda mountains
eastern Morocco
Neolithic
Upper Paleolithic
raw material origin
Opis:
The Guenfouda cave is located 30 km south of the city of Oujda in the Jbel Metssila belonging to the Oujda Mountains. It was recognized as a site of archaeological interest in 2003. Excavations are scheduled every year, and important archaeological material (lithic, faunal and human) has been brought to light. A first study on the lithic industry was carried out by S. Almisas and M. Souhir [2018] under the title of "New studies on the lithic industry of the Neolithic deposits of the Oujda Mountains. Raw material and technology" [Reg.03 "Upper Pleistocene and Holocene cognitive complexity & archaeogenetics in North Africa" 15th PANAF Conférence, Rabat 2018]. The study is based on technological techniques, the typology of cut products and also on the origin of the raw material used. The lithic industry is abundant, well preserved in all levels and phases of the operating chain are present, indicating debitage in situ in the cave. The artefacts are brought back to the Neolithic for the upper levels, then to the final Upper Paleolithic (or Epipaleolithic) for the lower levels, marked by a change in culture with the appearance of back-to-body lamellae. The first analyses of the raw material used by prehistoric man in this cave, in particular the flint, generally comes from the Swimina area, located to the south of the Oued El Hay basin (Ain Béni Mathar). The limestones come from the surroundings of the mountains of ‘Oujda, plains and wadis. As for the basalt, it comes from an ancient Quaternary volcano located near the cave at the top of Jebel Metssila. In turn, quartzites, phtanites, silicified green schist and tuffite, they come from the Paleozoic buttonholes of Glib Naam and jbel boussofane (Province of Jerada). Given the information above, it appears that the man from Guenfouda may have used various rocks for the manufacturing of tools, and would have traveled distances of up to 60 km in radius to stock up on raw material, especially flint.
Źródło:
Journal of Ecological Engineering; 2021, 22, 8; 258-277
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mapping and Assessment of Geological Lineaments with the Contribution of Earth Observation Data: A Case Study of the Zaer Granite Massif, Western Moroccan Meseta
Autorzy:
Zoraa, Noura
Raji, Mohammed
El Hadi, Hassan
Maimouni, Soufiane
Mhamdi, Hicham
Reddad, Aicha
Zahour, Ghalem
Ait-Yazza, Achraf
Powiązania:
https://bibliotekanauki.pl/articles/27314299.pdf
Data publikacji:
2023
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
lineament extraction
Landsat 8
ASTER
Sentinel
Zaer
Opis:
The Zaer granitic massif is one of the most important Variscan granitoids in the Central Zone of the Western Moroccan Meseta. It is characterized by a deformation which is manifested by a network of fractures of different scales. Thanks to the technology currently available, many geological studies rely heavily on the mapping of geological lineaments, especially in structural geology. This has become more reliable with access to earth observation data using optical and radar sensors as well as the various remote sensing techniques. Therefore, the objective of this work is to determine the potential of Landsat 8, ASTER, Sentinel 2 and radar Sentinel 1 datasets using the automatic method to extract lineaments. Furthermore, this work focuses on quantitative lineament analysis to determine lineament trends and subsequently compare them with global and regional tectonic movement trends. The lineaments obtained through different satellite images were validated by including the shaded relief maps, the slope map, the correlation with the pre-existing faults in the geological maps as well as the field investigation. Comparison of these results indicates that Sentinel 1 imagery provides a better correlation between automated extraction lineaments and major fault zones. Thus, Sentinel 1 data is more effective in mapping geological lineaments. The final lineament map obtained from the VH and VV polarizations shows two major fault systems, mainly oriented NE-SW and NW-SE to NNW-SSE.
Źródło:
Geomatics and Environmental Engineering; 2023, 17, 5; 107--144
1898-1135
Pojawia się w:
Geomatics and Environmental Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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