WebL'Œil du Sahara – Mauritanie Richat Structure Les meilleurs et les plus excitants Skywalks du monde Plus d'endroits intéressants à explorer dans Google Earth Top 10 des endroits à visiter au Népal Les attractions touristiques gratuites les plus visitées d'Irlande 10 faux pas culturels à éviter en voyage WebApr 10, 2024 · The "Eye of the Sahara". iss059e013137 (March 5, 2024) --- From an altitude of 255 miles, an Expedition 59 crewmember photographed the Richat Structure, or the …
Richat Structure, Mauritania - NASA/JPL/NIMA — Google Arts
WebSep 2, 2024 · Aerial view (from Google Earth) of the Meteor Crater site in Arizona, USA ... Also known as the Richat Structure, the eye-catching circular structure is best seen from space. It is 45 km across and located in Mauritania in the Sahara Desert in Africa. It is made of dominantly sedimentary (with minor igneous) rocks. Geological it is a formation ... WebAug 1, 2005 · The center of the structure consists of a limestone-dolomite shelf that encloses a kilometer-scale siliceous breccia and is intruded by basaltic ring dikes, kimberlitic intrusions, and alkaline volcanic rocks. Several hypotheses have been presented to explain the spectacular Richat structure and breccia, but their origin remains enigmatic. how do you calculate engagement rate
Richat Structure, Mauritania as seen by Expedition Two crew
WebApr 19, 2001 · ISS002-E-5693 (19 April 2001) --- The "bull's-eye" of the Richat Structure adds interest to the barren Gres de Chinguetti Plateau in central Mauritania in northwest Africa. It represents domally uplifted, layered (sedimentary) rocks that have been eroded by water and wind into the present shape. The 25-mile-wide structure is a 300-foot-deep ... WebSep 19, 2024 · Some of the letters are more exotic, like the ‘O’ formed by Africa’s Richat Structure (see NAT GEO image at the top of the post). This mysterious circular feature in Mauritania, also known ... WebJul 30, 2024 · Although it resembles an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of … pho nb reviews