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Tag Archives: paleolakes
Evidence for fluvial deposition in Arabia Terra
[Editor’s note: From a paper by Joel Davis and six co-authors recently published in the Journal of Geophysical Research.] A Diverse Array of Fluvial Depositional Systems in Arabia Terra: Evidence for mid‐Noachian to Early Hesperian Rivers on Mars • Fluvial … Continue reading
Posted in Reports
Tagged Arabia Terra, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, fluvial processes, inverted channels, lacustrine sediments, lake bed sediments, open-basin lakes, paleolakes, sedimentary deposits, sinuous ridge, valleys
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River and lake landforms in Melas Chasma
[Editor’s note: From a paper by Joel Davis and five co-authors recently published in the Journal of Geophysical Research.] Episodic and Declining Fluvial Processes in Southwest Melas Chasma, Valles Marineris, Mars • Episodic fluvial processes occurred in the southwest Melas … Continue reading
Posted in Reports
Tagged climate change, fluvial landforms, fluvial processes, lake bed sediments, Melas Chasma, open-basin lakes, paleolakes, Valles Marineris
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Indonesian sediments may offer clues to Mars paleolake deposits
[Editor note: text from a GSA release here.] In their GSA Bulletin article published online last week, Timothy A. Goudge and colleagues detail the clay mineralogy of sediment from Lake Towuti, Indonesia, using a technique called visible to near-infrared (VNIR) … Continue reading
Mars had lakes & streams long after early wet era
Lakes and snowmelt-fed streams on Mars formed much later than previously thought possible, according to new findings using data primarily from NASA’s Mars Reconnaissance Orbiter. The recently discovered lakes and streams appeared roughly a billion years after a well-documented, earlier … Continue reading
Posted in Reports
Tagged Arabia Terra, fluvial channels, fluvial deposits, fluvial erosion, fluvial landforms, lakes, paleolakes, streamlined islands
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Evaporating lakes made veins in Mars rocks
Mineral veins found in Mars’s Gale Crater were formed by the evaporation of ancient Martian lakes, a new study has shown. [The study was published in the journal Meteoritics & Planetary Science.] The research, by Mars Science Laboratory Participating Scientists … Continue reading
Curiosity finds unexpected mineral on Mars
Scientists have discovered an unexpected mineral in a rock sample at Gale Crater on Mars, a finding that may alter our understanding of how the planet evolved. NASA’s Mars Science Laboratory rover, Curiosity, has been exploring sedimentary rocks within Gale … Continue reading
Posted in Reports
Tagged Buckskin, Curiosity, Gale Crater, Mars Science Laboratory, MSL, mudstone, NASA, paleolakes, silica minerals, silicic volcanism, tridymite, volcanics
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Lakes in Gale Crater, post-Mt. Sharp
The sequence and timing of transient lakes in Gale Crater are important to understanding the delta deposits found by Curiosity on Gale’s floor. Writing in the Journal of Geophyscial Research, a team of scientists led by Marisa Palucis (California Institute … Continue reading
Free access to Gale Crater lakes Science papers
Two of the papers published in Science (October 9, 2015) relating to the discovery of ancient lakes in Gale Crater have been posted online, with the full texts available without charge. The papers are titled: “Deposition, exhumation, and paleoclimate of … Continue reading
Posted in Reports
Tagged Aeolis Mons, Curiosity, Gale Crater, Hidden Valley, Kimberley, lakes, Mars Science Laboratory, Mount Sharp, MSL, Murray Formation, NASA, paleolakes, Stimson Formation
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Ancient lakes indicate wet paleoclimate at Gale
A new study from the team behind NASA’s Mars Science Laboratory/Curiosity has confirmed that Mars was once, billions of years ago, capable of storing water in lakes over an extended period of time. Using data from the Curiosity rover, the … Continue reading
Posted in Reports
Tagged Aeolis Mons, Curiosity, Gale Crater, Hidden Valley, Kimberley, lakes, Mars Science Laboratory, Mount Sharp, MSL, NASA, paleolakes
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Jezero Crater records two water-related events
Researchers from Brown University have completed a new analysis of an ancient Martian lake system in Jezero Crater, near the planet’s equator. The study finds that the onslaught of water that filled the crater was one of at least two … Continue reading