Sare Pol

Moyale

Phoenix

Djibouti

Thar Desert

Sahra

Around Asia

Adrar Ahnet

Ounianga

Tifernine

Lunda

Fish River

Cerros Colorados

The eastern foothills of the Andes are important areas for Argentina’s agriculture, as rivers from the mountains are impounded to supply electricity and irrigation for crops. Many types of volcanic surfaces in this region shine in spite of their aridity. The peaks of the title are at low center, and have a unique gully pattern… Read more »

El Hank

Timbuctu

Losiolo

Gilf Kebir

Jade Rivers

Marzuk

The constant wind of the central Sahara has clustered its moving sand in great oblate dunefields called Ergs. This one is in the southwestern corner of Libya, and is spilling downwind into a rift valley. This area was a populous node during pluvial times which were associated with the continental glacial advances. Several important archeological… Read more »

Arabia

Land of Edges

More of the Colorado Plateau is found in Arizona than in any of the other four corner states. In this elevation graphic it forms a broad green platform for a variety of different mountain types: the massive volcanoes at lower right, the cone fields of the center, long mesas near the upper edge, and the… Read more »

Baluchi Ridges

In Baluchistan ridges curve continuously through the borderlands of Iran, Afghanistan and Pakistan. The lower Indus River floodplain fills the broad dune-flecked flats to the right, near a coast of scalloped promontories tipped with the vestiges of transverse ridges. Kandahar is at center top, while Quetta nestles in the high mountains to the right. These… Read more »