Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1007/978-3-319-96794-3_13 |
| Meteorite Impact Structures in the Arab World: An Overview | |
| Chabou, M. C. | |
| 通讯作者 | Chabou, M. C. |
| 会议名称 | 1st International Conference of the Arabian-Geosciences-Union (ARABGU) |
| 会议日期 | FEB 17-22, 2016 |
| 会议地点 | Algiers, ALGERIA |
| 英文摘要 | This chapter provides an up-to-date review about confirmed, proposed, and disproven meteorite impact structures in the Arab countries. Among the similar to 190 confirmed impact structures/sites on Earth, only 13 have been identified in the countries of the Arab world: Agoudal (Morocco), Amguid (Algeria), Aouelloul (Mauritania), BP (Libya), Kamil (Egypt), Oasis (Libya), Ouarkziz (Algeria), Jebel Waqf as Suwwan (Jordan), Saqqar (Saudi Arabia), Talemzane (Algeria), Tenoumer (Mauritania), Tin Bider (Algeria), and Wabar (Saudi Arabia). Thirty-three other structures of alleged impact origin and located in the Arab countries have been proposed in the literature. Based on the examination of satellite images and available field geologic, petrographic, and geochemical documentation, some of these proposed features are not of impact origin. Others are promising impact crater candidates. The record of impact structures in the Arab region is still incomplete considering the great size of the territory and the number of impact craters known in other regions where there have been active programs to study impact structures. Field investigations, including the collection and analyses of rock samples, are required for adding new candidates to the list of confirmed impact craters in the Arab countries. The only criteria that prove evidence for an impact origin of circular geological structures are the occurrence of shock-metamorphic effects in the target rocks (shatter cones and diagnostic shock-metamorphic mineral deformation and transformation phenomena), the discovery of preserved meteorite fragments, or detection of geochemical traces of meteoritic projectiles. Particular attention should be paid during fieldwork and subsequent petrographic studies, as some structures previously identified as impact craters had to be discounted. Nine of these cases of discredited structures are described here. |
| 英文关键词 | Impact structures Arab world Shatter cones Shock metamorphism Simple impact crater Complex impact crater |
| 来源出版物 | GEOLOGY OF THE ARAB WORLD - AN OVERVIEW |
| ISSN | 2197-9545 |
| 出版年 | 2019 |
| 页码 | 455-506 |
| ISBN | 978-3-319-96794-3; 978-3-319-96793-6 |
| EISBN | 978-3-319-96794-3 |
| 出版者 | SPRINGER INTERNATIONAL PUBLISHING AG |
| 类型 | Proceedings Paper |
| 语种 | 英语 |
| 国家 | Algeria |
| 收录类别 | CPCI-S |
| WOS记录号 | WOS:000467199600013 |
| WOS关键词 | GILF KEBIR REGION ; KAMIL CRATER ; SHOCK METAMORPHISM ; JEBEL WAQF ; ASTROGEOLOGY CONFERENCE ; NONIMPACT ORIGIN ; CIRCULAR FEATURE ; TENOUMER-CRATER ; SHATTER CONES ; SAUDI-ARABIA |
| WOS类目 | Geology |
| WOS研究方向 | Geology |
| 资源类型 | 会议论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/308180 |
| 作者单位 | Univ Ferhat Abbas Setif 1, Dept Sci Terre, Inst Architecture & Sci Terre, Campus El Bez, Setif 19000, Algeria |
| 推荐引用方式 GB/T 7714 | Chabou, M. C.. Meteorite Impact Structures in the Arab World: An Overview[C]:SPRINGER INTERNATIONAL PUBLISHING AG,2019:455-506. |
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