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Louros Valles
The Louros Valles are a system of valleys on the planet Mars in the Coprates quadrangle. They sit on the southern edge of Ius Chasma. They are east of Noctis Labyrinthus. They display many layers in their sidewalls. Many other places on Mars also show rocks arranged in layers. Rock layers can be formed by volcanoes, wind, or water. A detailed discussion of layering with many Martian examples can be found in Sedimentary Geology of Mars. The Louros Valles are centered at 8.41 S and 278.23 E, and were named after a modern river in Greece. The name was approved in 1982.https://planetarynames.wr.usgs.gov/nomenclature/SearchResults;jsessionid=75C005EBABDC58C0045BD56A9C768CFB File:Mars Valles Marineris.jpeg, Wide view of Mars centered on Valles Marineris, taken with Viking images Note, this picture can be greatly enlarged by clicking on it several times. File:Louresvallesodyssey.jpg, Wide view of part of Ius Chasma with the Louros Valles along its southern margin. File:Louresvallesmola ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coprates Quadrangle
The Coprates quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Coprates quadrangle is also referred to as MC-18 (Mars Chart-18). The Coprates quadrangle contains parts of many of the old classical regions of Mars: Sinai Planum, Solis Planum, Thaumasia Planum, Lunae Planum, Noachis Terra, and Xanthe Terra. The name Coprates refers to Coprates Chasma, a central trough of the Valles Marineris, named after the Greek name of the Dez River in Persia. The Coprates quadrangle goes from 45° to 90° west longitude and 0° to 30° south latitude on Mars. Coprates quadrangle is famous for depicting the "Grand Canyon of Mars", the Valles Marineris Canyon System. Signs of water exist in this quadrangle, with ancient river valleys and networks of stream channels showing up as inverted terrain and lakes inside of Valles Marineris.Cabrol, N. and E. Grin (eds.). 2010. Lakes on Mars. Elsevier ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ius Chasma
Ius Chasma is a large canyon in the Coprates quadrangle of Mars at 7° south latitude and 85.8° west longitude. It is about 938 km long and was named after a classical albedo feature name. Valles Marineris Canyon System Ius Chasma is a major part of Valles Marineris, the largest canyon system in the solar system; this great canyon would go almost all the way across the United States. Starting at the west with Noctis Labyrinthus in the Phoenicis Lacus quadrangle, the canyon system ends in the Margaritifer Sinus quadrangle with Capri Chasma and Eos Chasma (in the south). The word ''chasma'' has been designated by the International Astronomical Union to refer to an elongate, steep-sided depression. Valles Marineris was discovered by and named for the Mariner 9 mission. Moving east from Noctis Labyrinthus, the canyon splits into two troughs, Tithonium and Ius Chasma in the south. In the middle of the system are very wide valleys of Ophir Chasma (north), Candor Chasma, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Noctis Labyrinthus
Noctis Labyrinthus () is a region of Mars located in the Phoenicis Lacus quadrangle, between Valles Marineris and the Tharsis upland. The region is notable for its maze-like system of deep, steep-walled valleys. The valleys and canyons of this region formed by faulting and many show classic features of grabens, with the upland plain surface preserved on the valley floor. In some places the valley floors are rougher, disturbed by landslides, and there are places where the land appears to have sunk down into pit-like formations. It is thought that this faulting was triggered by volcanic activity in the Tharsis region. Research described in December 2009 found a variety of minerals, including clays, sulfates, and hydrated silicas, in some of the layers. Context Noctis Labyrinthus is located in the heart of Tharsis at the western end of the Valles Marineris, manifesting as a network of graben that extends in a spider-like network before coalescing into a coherent, relatively sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Valles Marineris
Valles Marineris (; Latin for ''Mariner program, Mariner Valleys'', named after the ''Mariner 9'' Mars orbiter of 1971–72 which discovered it) is a system of canyons that runs along the Mars, Martian surface east of the Tharsis region. At more than long, wide and up to deep, Valles Marineris is one of the largest List of largest rifts and valleys in the Solar System, canyons of the Solar System, surpassed in length only by the rift valleys of the mid-ocean ridge system of Earth. Valles Marineris is located along the equator of Mars, on the east side of the Tharsis Bulge, and stretches for nearly a quarter of the planet's circumference. The canyon system starts in the west with Noctis Labyrinthus; proceeding to the east are Tithonium Chasma, Tithonium and Ius Chasma, Ius chasmata, then Melas Chasma, Melas, Candor Chasma, Candor and Ophir Chasma, Ophir chasmata, then Coprates Chasma, then Ganges Chasma, Ganges, Capri Chasma, Capri and Eos Chasma, Eos chasmata; finally it emptie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Valleys And Canyons On Mars
A valley is an elongated low area often running between hills or mountains, which will typically contain a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over a very long period. Some valleys are formed through erosion by glacial ice. These glaciers may remain present in valleys in high mountains or polar areas. At lower latitudes and altitudes, these glacially formed valleys may have been created or enlarged during ice ages but now are ice-free and occupied by streams or rivers. In desert areas, valleys may be entirely dry or carry a watercourse only rarely. In areas of limestone bedrock, dry valleys may also result from drainage now taking place underground rather than at the surface. Rift valleys arise principally from earth movements, rather than erosion. Many different types of valleys are described by geographers, using terms that may be global in use or else applied only locally. For ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
