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Monthly Archives: May 2013
Well-rounded pebbles in Gale Crater’s rocks point to longtime stream flow
Mars Science Laboratory rover Curiosity landed in Gale Crater at a feature called Bradbury Rise, which lies near the far end of the Peace Vallis alluvial fan. The fan is a broad, flat deposit of sand, gravel, and pebbles washed … Continue reading
Posted in Reports
Tagged Aeolis Mons, alluvial fans, Bradbury Rise, climate change, conglomerate rocks, Curiosity, fluvial channels, Gale Crater, Goulburn, gravel, Hottah, Link, Mars Pathfinder, Mount Sharp, outcrops, Peace Vallis, pebbles, streambeds, water
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Aeolis Serpens, Mars’ longest sinuous ridge, is an ancient riverbed
A linear ridge that winds for more than 200 kilometers (120 miles) through part of South Australia was a river channel roughly 10 million years ago. After the paleoriver stopped flowing, silica-rich groundwater seeped into the riverbed, cementing its sediments.
Posted in Reports
Tagged Aeolis Dorsa, Aeolis Serpens, climate, CTX, fluvial channels, fluvial landforms, groundwater, HiRISE, Medusae Fossae Formation, sinuous ridge, water
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