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Coastal Subsidence
Published in Ramesh P. Singh, Darius Bartlett, Natural Hazards, 2018
Andrea Taramelli, Ciro Manzo, Emiliana Valentini, Loreta Cornacchia
Tectonic loading can also produce subsidence. The additional weight of tectonic loads, such as accretionary wedges or folds and thrust belts, causes continental lithosphere to sink, leading to tectonic subsidence (Bally et al. 1985). Because the lithosphere responds flexurally, the subsidence occurs not only immediately underneath the load but also in broad regions surrounding the load (Sorichetta et al. 2006). Tectonic loading is particularly important in orogenic regions such as foreland basins.
Oil leaking and seeping site in the Persian Gulf detected and studied by satellite observations
Published in Marine Georesources & Geotechnology, 2021
Andrei Yu. Ivanov, Hadi Gerivani
As can be seen from Figures 1 and 6(a), the sources of the detected oil slicks are located in the gulf, 26 km from the Sir Abu Nu’ayr Island. The study area is underlain by a deep sedimentary basin that includes an upper foreland basin sequence and a lower rifted passive margin sequence. Studies suggest that the foreland basin (including the Aruma and Pabdeh groups) was formed under the flexural loading of an underlying rifted continental margin (i.e., Robertson 1987; Patton and O’Connor 1988; Boote et al. 1990; Warburton et al. 1990; Ali, Sirat, and Small 2008; Ali and Watts 2009). The rifted margin sequence, which includes the Araej, Sila, Thamama, and Wasia Groups, are comprised of carbonates with minor deposits of clastics and evaporites that formed during the Late Permian to Late Cretaceous, after formation of the Tethyan oceanic crust and the breakup of the Arabian Plate and Cimmerian Terrane (Glennie et al. 1973; Searle 1988; Ruban, Al-Husseini, and Iwasaki 2007; Ali, Watts, and Searle 2013).
Facies analysis and palynology of upper Miocene to Pliocene sediments exposed at Timika–Tembagapura section, Papua, Indonesia
Published in Australian Journal of Earth Sciences, 2021
R. Fakhruddin, T. Ramli, D. Fadli, D. Kurniadi
Two distinct collisional orogenic events occurred on the island of New Guinea: (1) the Peninsular orogeny of Oligocene age, which was restricted to easternmost New Guinea; and (2) the Central Range orogeny, which resulted in the massive uplift of the Central Range beginning in the latest middle Miocene (van Ufford & Cloos, 2005). Owing to the collision event in the middle Oligocene, a foreland basin was formed on Australian continental basement, south of the collision zone (Pigram et al.,1989). A foreland basin system is an elongate area of potential sediment accommodation that forms on top of continental crust between a contractional/fold-thrust orogenic belt and the adjacent craton (Catuneanu, 2004; DeCelles & Giles, 1996).