{"id":50078,"date":"2022-04-04T15:30:48","date_gmt":"2022-04-04T14:30:48","guid":{"rendered":"https:\/\/jazairhope.org\/?p=50078"},"modified":"2022-04-04T11:12:09","modified_gmt":"2022-04-04T10:12:09","slug":"orange-dunes-stand-out-against-dark-sandstone-in-algeria","status":"publish","type":"post","link":"https:\/\/jazairhope.org\/en\/orange-dunes-stand-out-against-dark-sandstone-in-algeria\/","title":{"rendered":"Orange dunes stand out against dark sandstone in Algeria"},"content":{"rendered":"

Today\u2019s\u00a0Image of the Day<\/strong>\u00a0from\u00a0NASA Earth Observatory<\/a>\u00a0features the northern edge of Tassili n\u2019Ajjer National Park in Algeria. In the photo, which was captured by an external camera mounted on the International Space Station, orange sand dunes contrast with dark sandstone.<\/p>\n

\u201cThe park\u2019s name translates to \u201cplateau of chasms,\u201d and these signature ravines wind through the rock in the right of the image. On the left, wisps of cloud overlie a dune field that has swept over the low-lying regions north of the Fadnoun Plateau,\u201d reports NASA.<\/p>\n

\u201cRising to elevations of over 1,500 meters (4,900 feet) on average, the current plateau has been shaped by thousands of years of water and wind erosion. Though the area is now hyper-arid, ancient rivers once cut narrow canyons almost 240 meters deep into the sandstone as they flowed north toward lakes that filled what are now large dune fields called ergs (\u201csand seas\u201d). Issaouane Erg, shown above, contains some of the tallest star dunes on Earth.\u201d<\/p>\n

There are also large pillars of resistant sandstone that have persisted as strong winds eroded the surrounding rock. These large pillars are referred to as the \u201cForest of rock.\u201d<\/p>\n

Humans have inhabited the town of Illizi, which stands at the northern edge of the plateau, since 10,000 BCE. This long history is recorded in rock engravings.<\/p>\n

Image Credit: NASA Earth Observatory<\/em><\/p>\n

Source : https:\/\/www.earth.com\/image\/orange-dunes-stand-out-against-dark-sandstone-in-algeria\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Today\u2019s\u00a0Image of the Day\u00a0from\u00a0NASA Earth Observatory\u00a0features the northern edge of Tassili n\u2019Ajjer National Park in Algeria. 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