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A Martian meteorite is a rock that formed on Mars, was ejected from the planet by an impact event, and traversed interplanetary space before landing on Earth as a meteorite. As of September 2020 [update] , 277 meteorites had been classified as Martian, less than half a percent of the 72,000 meteorites that have been classified. [ 1 ]
Meteorite Found Mass (g) Notes Allan Hills 77005: 1977-12-29 482.5 First Antarctic find. Allan Hills 84001: 1984 1939.9 Orthopyroxenite, 4.091 billion years old, is believed to be the oldest Martian meteorite. Chassigny: 1815-10-03 4000 Mainly olivine with intercumulous pyroxene, feldspar, and oxides. Dar al Gani 476: 1996-2000 2015 Dar al Gani ...
Yamato 000593 (or Y000593) is the second largest meteorite from Mars found on Earth. [2] [5] [6] Studies suggest the Martian meteorite was formed about 1.3 billion years ago from a lava flow on Mars. [7] An impact occurred on Mars about 11 million years ago [7] and ejected the meteorite from the Martian surface into space.
Northwest Africa 7034 is a Martian meteorite. [4] It contains portions [5] estimated to be 4.43 billion years old and contains the most water of any Martian meteorite found on Earth. [6] Although it is from Mars it does not fit into any of the three SNC meteorite categories, and forms a new Martian meteorite group named "Martian (basaltic ...
Elephant Moraine 79001, also known as EETA 79001, is a Martian meteorite. It was found in Elephant Moraine, in the Antarctic during the 1979–1980 collecting season. EETA79001 NASA photo # S80-37633 An image showing EETA79001 as found in Antarctica, NASA photo # S80-28838 Impact and ejection sequence of a Martian meteorite. At time A, the ...
Allan Hills 84001 (ALH84001 [1]) is a fragment of a Martian meteorite that was found in the Allan Hills in Antarctica on December 27, 1984, by a team of American meteorite hunters from the ANSMET project. Like other members of the shergottite–nakhlite–chassignite (SNC) group of meteorites, ALH84001 is thought to have originated on Mars ...
Zagami is the largest single Martian meteorite ever found, weighing about 18 kilograms (40 lb). [1] It landed 10 feet (3.0 m) from a farmer near Zagami, Nigeria, and became buried in a hole about 2 feet (0.61 m) deep.
Chassigny is a Martian meteorite which fell on October 3, 1815, at approximately 8:00 am, in Chassigny, north-eastern France. [2] [3] Chassigny is the meteorite for which the chassignites are named and gives rise to the "C" in the name of the SNC group of meteorites. Chassigny is an olivine cumulate rock .