By H. Stewart Edgell
H. Stewart Edgell is a graduate of the collage of Sydney together with his doctorate in geology from Stanford college. He has spent such a lot of his operating lifestyles within the heart East, specially in Arabia, the place he has been lively in oil exploration, and essentially in college educating and learn as a Professor of Geology on the Amercian college of Beirut, the UNESCO/Saudi middle for utilized Geology, Jeddah, and King Fahd collage of Petroleum and Minerals, Dhahran, Saudi Arabia.
Arabian Deserts offers a finished assurance of all of the deserts of Arabia mostly in keeping with the author’s adventure in Arabia over the past fifty years. targeted landforms of Arabia deserts are defined, including their geological surroundings and the impact of climates either earlier and current. The six nice sand seas of Arabia are emphasised seeing that Ar Rub’ al Khali wilderness varieties the world’s biggest non-stop sand wasteland. assets, sedimentology, and the mechanisms of formation of those nice sand deserts are tested. special sand dunes and interdunes kinds present in Arabia are defined, categorized and defined. Fluvial techniques are mentioned, in addition to the various oases, and lake deposits shaped in milder, extra humid periods. broad components of black, basaltic, volcanic wasteland are defined protecting 3 times the realm of Belgium. Ecology of Arabia and human effect on desertification are defined. Climatic alterations within the evolution of Arabian deserts throughout the Quaternary and their reasons are defined and a chronology of climatic occasions in the course of their formation is established.
This e-book can be of curiosity to geoscientists, particularly Quaternary geologists, geomorphologists, geographers, sedimentologists attracted to aeolian and fluvial techniques, climatologists, coastal reports teams, desertification curiosity teams, and ecologists with curiosity in arid lands.
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Additional info for Arabian Deserts: Nature, Origin, and Evolution
Pl). 22. ‘Uruq al Mut’aridah in the north–eastern Rub‘ al Khali showing both the interdune sabkhah areas (white) and the extent of interdune perennially moist sabkhah areas (black). Tertiary outcrops in grey. Width of image is 250 km. (Constructed from USGS data in Hearn et al 2003). 23. Sabkhat at Tawil, in westernmost Iraq seen in the upper right extending along the Syria/Iraq border. The black areas in the top and lower left are part of the Euphrates River plain. 2º E. (U. S. 003:2023499201).
Qa‘ al Azraq can be seen like a black comma near the top left. Image width is 200 km. pl). Qa‘ Khafqah, a large, endorheic, silt-filled depression lying immediately east of Harrat Rahat basalt flows, which have blocked drainage to the Red Sea. The road to Mahd adh Dahab crosses the south–east of the qa‘. 4º E. pl). Khabra’ al Hawar, in east central Saudi Arabia seen here as a white area in lower centre of the image lying north of the southern dome dunes of Nafud Qunayfidah and south–west of the Tuwayq Mountain escarpment.
Pl). Abu Musa Island in the eastern Persian Gulf. It is one of the larger Hormuz salt plug islands in the Gulf, although no salt appears, only blocks of basement rocks dragged up by salt diapirism. Image width is 4 km. (NASA high resolution EROS image E1099294 courtesy of NASA). Abu Musa Island and the surrounding rim synclines and rim anticlines created by the Hormuz Series salt piercement. (From Edgell 1996). Masirah Island off the coast of eastern Oman. A desert island consisting mainly of black ophiolites, and a mélange of lvi List of Illustrations Cretaceous limestones seen here as white along the south-west of the island.
Arabian Deserts: Nature, Origin, and Evolution by H. Stewart Edgell