Richat Structure

Andrea Meado, 2018. NASA Earth Observatory.

Astronaut photograph taken from the International Space Station on 17 December 2011 (Expedition 30, Nikon D2Xs, 400 mm lens), with a caption describing the structure as an eroded domed anticline about 45 km across, older rocks at the centre.

Eye of the Sahara and AtlantisPrimary sourcePhotographChecked against the original0

What it's used for here

NASA Earth Observatory Image of the Day: the ISS photograph ISS030-E-12516 used as the lead picture, cited for its 45 km width and its distance from the coast.

Cited by on this site 7 records

Photograph: The Eye of the Sahara

CPY

Plato's Atlantis was an island swallowed by the sea; the Richat stands about 485 m up and some 500 km inland

Evidence

EVD

The rim stands about 485 m above sea level, some 500 km from the coast

Evidence

EVD

The rings are natural cuestas of an eroded Cretaceous dome, about 100 million years old

Evidence

EVD

The structure is at least 40 km across, and NASA gives about 45 km

Evidence

EVD

An Expedition 30 crew member photographs the structure from the International Space Station

EVT

The Eye of the Sahara and Atlantis

The mystery article

MYS

Cite it

Meado, A. (2018). Richat Structure. NASA Earth Observatory. https://science.nasa.gov/earth/earth-observatory/richat-structure-92071/

@misc{meado2018richat,
  author = {Meado, Andrea},
  title = {Richat Structure},
  howpublished = {NASA Earth Observatory},
  year = {2018},
  url = {https://science.nasa.gov/earth/earth-observatory/richat-structure-92071/}
}

TY  - ELEC
TI  - Richat Structure
AU  - Meado, Andrea
PY  - 2018
JO  - NASA Earth Observatory
UR  - https://science.nasa.gov/earth/earth-observatory/richat-structure-92071/
ER  -

Meado, Andrea. “Richat Structure.” NASA Earth Observatory (2018).