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This section accumulates world news published in the media and concerning facts, phenomena and/or versions.

Richat structure: the mystery of nature

Added	Tue, 07/11/2017
Источники	gismeteo.ru
Дата публикации	Tue, 07/11/2017

On the official website of NASA "Astronomical picture of the day" appeared the richat structure, are made by the radiometer ASTER, which is installed on Board the satellite Terra.

The richat structure is a geological formation located in the Mauritanian part of the Sahara desert. The diameter of the circular structure is 50 kilometers. Education is clearly seen from space.

The age of the oldest ring structure is about 500-600 million years. Previously, scientists assumed that the structure appeared after the collision with Earth of a meteorite, but the flat shape of the bottom and no trace of impact do not speak in favor of this hypothesis. Volcanic eruption can also be dismissed as the cause of the richat structure, according to experts.

Version, accepted in the scientific community currently States that sedimentary rocks of the richat structure are a result of the action of erosion on the uplift of the earth's crust, said "Wikipedia".

Translated by «Yandex.Translator»

Source:

gismeteo.ru