Tag Archives: Mars meteorites

Soluble salts in Mars meteorite came from martian brines similar to terrestrial seawater

[Editor’s note: From a paper by Elizabeth Jaramillo and four co-authors recently published in Geophysical Research Letters.] Indigenous Organic‐Oxidized Fluid Interactions in the Tissint Mars Meteorite • Results support hypothesis that indigenous fluids incorporated into Tissint fissures on Mars and … Continue reading

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Naturally occurring ‘batteries’ fueled organic carbon synthesis on Mars

Mars’ organic carbon may have originated from a series of electrochemical reactions between briny liquids and volcanic minerals, according to new analyses of three Martian meteorites from a team led by Carnegie’s Andrew Steele published in Science Advances. The group’s … Continue reading

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‘Black Beauty’ meteorite expands window for early Mars life

The early surface of Mars consisted of a liquid magma ocean that crystallized extremely rapidly, just 20 million year after the formation of the solar system. Thereafter, a solid crust emerged on the red planet, potentially housing oceans with water … Continue reading

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Sending a piece of Mars home

A chunk of Mars will soon be returning home. A piece of a meteorite called Sayh al Uhaymir 008 (SaU008) will be carried on board NASA’s Mars 2020 rover mission, now being built at the agency’s Jet Propulsion Laboratory in … Continue reading

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HiRISE: Escape from Mars!

This image shows one of millions of small (10s of meters in diameter) craters and their ejecta material that dot the Elysium Planitia region of Mars. The small craters were likely formed when high-speed blocks of rock were thrown out … Continue reading

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Shock tests on synthetic Mars-meteorite mineral suggest a more water-rich history

Mars may have been a wetter place than previously thought, according to research on simulated Martian meteorites conducted, in part, at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab). In a study published [March 6, 2017] in the … Continue reading

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Two billion years’ volcanism recorded from a single Mars meteorite ejection site

Analysis of a Martian meteorite found in Africa in 2012 has uncovered evidence of at least 2 billion years of volcanic activity on Mars. This confirms that some of the longest-lived volcanoes in the solar system may be found on … Continue reading

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Meteorites reveal lasting drought on Mars

The lack of liquid water on the surface of Mars today has been demonstrated by new evidence in the form of meteorites on the Red Planet examined by an international team of planetary scientists. In a study led by the … Continue reading

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More on the Egg Rock meteorite

Laser-zapping of a globular, golf-ball-size object on Mars by NASA’s Curiosity rover confirms that it is an iron-nickel meteorite fallen from the Red Planet’s sky. Iron-nickel meteorites are a common class of space rocks found on Earth, and previous examples … Continue reading

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Curiosity: Egg Rock, a small meteorite

Sol 1505, October 30, 2016. The ChemCam’s Remote Micro-Imager (RMI) nabbed a two-frame portrait of Egg Rock, a small meteorite, probably nickel-iron. The white dots are laser-zap points. Below: where the meteorite was found (arrow), in a Mastcam frame on … Continue reading

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