La structure de Richat, une étonnante formation dans le Sahara Le savoir perdu des anciens


Richat Structure, Mauritania Unusual Places

Detailed Description. This Landsat 8 Collection 2 image was acquired over the Richat Structure near the western edge of the Sahara Desert on April 25, 2020 and is shown as a natural color composite using the red, green, and blue bands (Bands 4,3,2). Also known as the Eye of the Sahara or Guelb er Richat, the Eye is a symmetrical dome of eroded.


Les origines de la structure de Richat Brut.

The Eye of the Sahara, also known as the Richat Structure, is a geological formation located in the Sahara Desert near Ouadane, Mauritania. This unique and distinctive feature is a massive circular structure that spans approximately 30 miles (50 kilometers) in diameter. The structure's concentric rings and symmetrical pattern give it the appearance of a giant bull's-eye when viewed from above.


Richat Structure, Mauritania Unusual Places

The famous circular structure of Richat, sometimes referred to as "the eye of Africa", is located in the northwestern part of the Taoudeni basin, in the central part of the Mauritanian Adrar plateaus.


Les origines de la structure de Richat YouTube

Taken by an astronaut onboard the International Space Station (ISS), this photograph places the Richat Structure—a geologic feature in Mauritania characterized by its concentric rings—in context with the extensive dune fields that surround it. Dubbed "the Eye of Sahara," the structure has a diameter of about 40 kilometers (25 miles).


Richat Structure

The so-called Richat Structure is a geological formation in the Maur Adrar Desert in the African country of Mauritania. Although it resembles an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock. This image was acquired by Landsat 7's Enhanced Thematic Mapper.


Is the Richat Structure, the Eye of Sahara, the remains of Atlantis, page 1

The circular structure of Richat is located in the northwestern part of the Taoudeni basin, in the central part of the Mauritanian Adrar plateaus, where it is expressed at the surface as a slightly elliptical depression, about 40 km in diameter, marked by concentric ridges of Proterozoic-Lower Paleozoic strata (O'Connor et al., 2004; Abdeina et.


The Eye Of Sahara The Richat Structure Unbelievable Info

318 NASA (public domain) In the midst of the vast, vacant Sahara desert, just outside of Ouadane, Mauritania, lies a 30-mile wide geological oddity known the Richat Structure, sometimes called.


Six places you must visit in Mauritania before the end of the year Page 7 of 7 Face2Face Africa

The so-called Richat Structure is a geological formation in the Maur Adrar Desert in the African country of Mauritania. Although it resembles an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion-like layers of rock. Collection: Earth as Art. Source: Landsat 7. Scale: 1.7 miles (2.8km)


La structure de Richat, une étonnante formation dans le Sahara Le savoir perdu des anciens

The Richat Structure in the Sahara Desert of Mauritania is easily visible from space because it is nearly 50 kilometers across. Once thought to be an impact crater, the Richat Structure 's flat middle and lack of shock-altered rock indicates otherwise.


Richat Structure Eye Of The Sahara Amusing

The Richat Structure in the Sahara Desert of Mauritania is easily visible from space because it is nearly 50 kilometers across. Once thought to be an impact crater, the Richat Structure 's flat middle and lack of shock-altered rock indicates otherwise. The possibility that the Richat Structure was formed by a volcanic eruption also seems.


ESA Richat structure, Mauritania

JPEG. This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous 50-kilometer-wide (30-mile-wide) bull's-eye on the otherwise rather featureless expanse of the desert. Initially mistaken for a possible impact crater, it is now known to be an.


Richat Structure

This structure measures 45 kilometers (28 miles) across and is made up of igneous and sedimentary rocks. There are several faults visible (lower left) where strata that were once continuous have been shifted apart.


What is the Richat Structure? How It Works

This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.


Estructura de Richat, Mauritania Download Free 3D model by CMPLab (secad) [2b25dd7] Sketchfab

The Eye of Sahara, also known as the Richat Structure, is a stunning circular formation in the desert of Mauritania. This webpage from NASA offers a high-resolution image and an article that explains the origin and significance of this natural wonder. Learn more about how the Eye of Sahara was formed and why it fascinates scientists and explorers alike.


LA ESTRUCTURA DE RICHAT (EL OJO DEL SAHARA)

The prominent circular feature seen here, known as the Richat Structure, in the Sahara desert of Mauritania, is often noted by astronauts because it forms a conspicuous 50-kilometer-wide (30-mile-wide) bull's-eye on the otherwise rather featureless expanse of the desert.


Pin on Mother Nature

NASA. This prominent circular feature in the Sahara desert of Mauritania has attracted attention since the earliest space missions because it forms a conspicuous bull's-eye in the otherwise rather featureless expanse of the desert. Described by some as looking like an outsized fossil in the desert, the structure has a diameter of almost 30 miles.