cross-bedded
21Dune — For other uses, see Dune (disambiguation). Erg Chebbi, Morocco …
22Geology — Oceanic crustContinental Crust] Geology (from Greek: γη, gê , earth ; and λόγος, logos , speech lit. to talk about the earth) is the science and study of the solid and liquid matter that constitute the Earth. The field of geology encompasses the… …
23Facies — The term Facies can also refer to distinctive facial expressions associated with conditions such as Williams syndrome. In geology, facies are a body of rock with specified characteristics. [Reading (1996)] Ideally, a facies is a distinctive rock… …
24Old Red Sandstone — Stratigraphic range: Late Silurian to earliest Carboniferous Cross section showing quartz and chert pebbles in a sample from central England (scale bar is 10 mm). Type Geological formation …
25Messinian salinity crisis — Events of the Cenozoic view • discuss •  …
26Geography of Bahrain — Map of Bahrain Topography …
27Intermontane Plateaus — Physiographic regions of the U.S. Interior See:legend For purposes of description, the physical geography of the United States is split into several major physiographic divisions, one being the Intermontane Plateaus. Please refer to the Geography …
28Meridiani Planum — Mars Exploration Rover Opportunity looks southwest across Meridiani Planum; the Rover s discarded backshell and parachute are visible in the distance. Coordinates …
29Front Range — Mountain Range Grays Peak on left with Torreys Peak on right …
30Cumberland Plateau — Map showing the Cumberland Plateau in yellow as defined by Bailey s ecoregions. The Cumberland Plateau is the southern part of the Appalachian Plateau. It includes much of eastern Kentucky and western West Virginia, part of Tennessee, and a small …
