CM chondrites are a group of chondritic meteorites which resemble their type specimen, the Mighei meteorite. The CM is the most commonly recovered group of the 'carbonaceous chondrite' class of meteorites, though all are rarer in collections than ordinary chondrites.
CMchondrites are a group of chondritic meteorites which resemble their type specimen, the Mighei meteorite. The CM is the most commonly recovered group...
A chondrite /ˈkɒndraɪt/ is a stony (non-metallic) meteorite that has not been modified, by either melting or differentiation of the parent body. They...
formed in the Solar System. Some primitive carbonaceous chondrites, such as the CMchondrite Murchison, contain presolar minerals, including moissanite...
CI chondrites, also called C1 chondrites or Ivuna-type carbonaceous chondrites, are a group of rare carbonaceous chondrite, a type of stony meteorite...
J (Jul 2010). "Carbonates in CMchondrites: Complex formation histories and comparison to carbonates in CI chondrites". Meteoritics & Planetary Science...
The ordinary chondrites (sometimes called the O chondrites) are a class of stony chondritic meteorites. They are by far the most numerous group, comprising...
it is believed to have a mineral composition similar to carbonaceous chondrite meteorites, though significantly less hydrated than Ceres. It is 79% the...
Cornwall, England. Cronstedtite is a major constituent of CMchondrites, a carbonaceous chondrite group exhibiting varying degrees of aqueous alteration...
The Jbilet Winselwan meteorite is a CM-type carbonaceous chondrite found in Western Sahara in 2013. It is notable for having a low shock stage and weathering...
in a chondrite. Chondrules form as molten or partially molten droplets in space before being accreted to their parent asteroids. Because chondrites represent...
1998.tb01689.x. Palmer, E. E. (2010). "A kamacite alteration index for CMchondrites". 41st Lunar and Planetary Science Conference (1533): 2211. Bibcode:2010LPI...
Thomas H (1998). "Could G-class asteroids be the parent bodies of the CMchondrites?". Meteoritics & Planetary Science. 33 (2): 253–258. Bibcode:1998M&PS...
kilograms (220 lb). The meteorite belongs to the CM group of carbonaceous chondrites. Like most CMchondrites, Murchison is petrologic type 2, which means...
indicated a correspondence with the CI and/or CM carbonaceous chondrite meteorites, including carbonaceous-chondrite mineral magnetite. Magnetite, a spectrally...
Certain types of chondrites also contain small amounts of organic matter, including amino acids, and presolar grains. Chondrites are typically about...
The Allende meteorite is the largest carbonaceous chondrite ever found on Earth. The fireball was witnessed at 01:05 on February 8, 1969, falling over...
isotopic compositions with signatures similar to those of CI and CM carbonaceous chondrites were found in Tunguska peat layers dating from the TE (Kolesnikov...
California Gold Rush. Jenniskens found one of three fragments of this CMchondrite on April 24, before rains hit the area. The rapid recovery was made possible...
matches ancient eucrite chondrites, which originate from the asteroid Vesta in the outer asteroid belt. CI, CM, and eucrite chondrites are believed to have...
alteration and evidence for methane generation on the parent bodies of the CMchondrites". Geochimica et Cosmochimica Acta. 71 (22): 5565–5575. Bibcode:2007GeCoA...
impact layers, that the impactor matched the characteristics of CM or CR carbonaceous chondrites. The impactor was around 10 kilometers (6.2 miles) in diameter—large...
Core samples have shown it to have been formed by the impact of an L chondrite asteroid estimated to have been 5 to 10 km (3.1 to 6.2 mi) in diameter...
setting for hedenbergite. This mineral is unique because it can be found in chondrites and skarns (calc–silicate metamorphic rocks). Since it is a member of...
Mexico. Geochemical evidence suggests that the impactor was likely a chondrite asteroid or a comet with a chondritic component. The full extent of the...
Epoch, about 467.5 ± 0.28 million years ago, due to the break-up of the L chondrite parent body. It is not associated with any major extinction event. The...
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