发表于 2025-3-28 17:47:11

Aorounga, ChadAorounga impact crater is located in the Sahara Desert, in North-central Chad. The crater is thought to be middle or upper Devonian to lower Mississippian (approximately 345–370 million years old) based on the age of the sedimentary rocks deformed by the impact.

释放 发表于 2025-3-28 21:52:45

http://reply.papertrans.cn/31/3097/309608/309608_42.png

insightful 发表于 2025-3-29 02:00:23

BP Structure, LibyaThe BP structure in the Cyrenaican desert of eastern Libya, named after an oil company which employee has first reported of its impact origin, consists of two eroded rings of low hills surrounding a central rise that is largely eroded away in the half.

Carbon-Monoxide 发表于 2025-3-29 07:07:36

Gweni-Fada, ChadThe 14-km-diameter Gweni-Fada structure was observed for the first time on Landsat images and aerial photography, and later visited on the ground by a French team, who reported that preliminary petrographic studies showed the presence of shock metamorphic effects in quartz grains from sandstones.

宣誓书 发表于 2025-3-29 09:54:49

http://reply.papertrans.cn/31/3097/309608/309608_45.png

Harpoon 发表于 2025-3-29 11:54:56

Kamil, EgyptThe 45-m diameter and 158 m deep Kamil Crater is located in a rocky desert area in the East Uweinat district in New Valley Governorate, Egypt, approximately 2 km N of the Sudanese border and approximately 110 km E of the Libyan border.

Criteria 发表于 2025-3-29 19:34:24

http://reply.papertrans.cn/31/3097/309608/309608_47.png

Rejuvenate 发表于 2025-3-29 21:11:48

Origin and Classification of Impacting Objects, and their Effects on the Earth Surfacelar System. The history of our Solar System began inside a great cold nebula of gas and dust (Safronov .). The more abundant elements were helium and hydrogen, and minor quantities of heavier elements were also present like carbon and silica and traces of more heavy elements like iron and nickel. Ir

temperate 发表于 2025-3-30 02:02:28

Impact Crateringface-shaping process for all the solid bodies of our Solar System. All the inner bodies in our Solar System show clear evidence of the bombardment that characterize the early stage of their history but also from continued impact events until present. The surfaces of the Moon, Mars and Mercury, where

额外的事 发表于 2025-3-30 07:10:04

http://reply.papertrans.cn/31/3097/309608/309608_50.png
页: 1 2 3 4 [5] 6
查看完整版本: Titlebook: Encyclopedic Atlas of Terrestrial Impact Craters; Enrico Flamini,Mario Di Martino,Alessandro Coletta Book 2019 Springer Nature Switzerland