Tag Archives: paleolakes

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

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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

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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

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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

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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

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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

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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

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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

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Lava flows resurfaced crater lakes after water was gone

Fire and water didn’t mix when it came to resurfacing basins that lie along Martian fluvial valley networks. A study of some 30 open-basin lakes (paleolakes) with floors covered by lava flows has concluded that at least these basins were … Continue reading

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