are believed to have formed more recently than chondrites. There are currently over 27,000 chondrites in the world's collections. The largest individual...
47 KB (5,159 words) - 16:33, 6 July 2024
Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include...
30 KB (3,244 words) - 14:48, 23 May 2024
CI chondrites, also called C1 chondrites or Ivuna-type carbonaceous chondrites, are a group of rare carbonaceous chondrite, a type of stony meteorite...
77 KB (8,823 words) - 08:19, 8 September 2024
The ordinary chondrites (sometimes called the O chondrites) are a class of stony chondritic meteorites. They are by far the most numerous group, comprising...
5 KB (470 words) - 20:32, 25 April 2024
relative to the ordinary chondrites; some Enstatite and Ureilite meteorites may have more carbon than C-chondrites. Still, all C-chondrites are distinguished...
76 KB (8,309 words) - 20:18, 20 October 2024
The LL chondrites are a group of stony meteorites, the least abundant group of the ordinary chondrites, accounting for about 10–11% of observed ordinary-chondrite...
4 KB (375 words) - 04:23, 10 July 2024
chondrites. The ordinary chondrites are thought to have originated from three parent asteroids, whose fragments make up the H chondrite, L chondrite and...
4 KB (368 words) - 08:11, 24 December 2022
Enstatite chondrites (E-type chondrites) are a rare form of meteorite, rich in the mineral enstatite. Only about 200 E-Type chondrites are currently[when...
7 KB (808 words) - 11:52, 10 March 2024
ordinary chondrites. The ordinary chondrites are thought to have originated from three parent asteroids, with the fragments making up the H chondrite, L chondrite...
7 KB (746 words) - 23:42, 17 October 2024
constant within a single system. Chondrites is classified as a fodinichnion. First appearing during the Cambrian, Chondrites is still produced today. It is...
5 KB (582 words) - 21:00, 17 July 2024
Asteroidal water (section Carbonaceous chondrites)
carbonaceous chondrites and enstatite chondrites in particular have higher sulfur contents than the ordinary chondrites. In C1 and C2 chondrites, sulfur is...
76 KB (8,996 words) - 18:56, 28 October 2024
group of chondrites (CB) has over 50% metal by volume and contains meteorites that were called stony irons until their affinities with chondrites were recognized...
14 KB (1,580 words) - 03:30, 15 April 2024
Chondrule (category Chondrite meteorites)
CI chondrites which, paradoxically, do not contain any chondrules despite their designation as chondrites, whereas ordinary and enstatite chondrites contain...
10 KB (1,122 words) - 16:42, 6 July 2024
Hedenbergite (section Occurrence in chondrites)
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...
9 KB (962 words) - 23:28, 22 July 2024
matches ancient eucrite chondrites, which originate from the asteroid Vesta in the outer asteroid belt. CI, CM, and eucrite chondrites are believed to have...
38 KB (4,654 words) - 13:41, 30 October 2024
hydrocarbons, having an elevated carbon:hydrogen ratio. The carbonaceous chondrites are meteorites that are rich in carbon. The word "carbonaceous" was first...
1 KB (114 words) - 03:59, 17 November 2024
Certain types of chondrites also contain small amounts of organic matter, including amino acids, and presolar grains. Chondrites are typically about...
78 KB (8,727 words) - 22:32, 13 November 2024
with spectra similar to the ordinary chondrite meteorites (accounting for 85% of all falls, including the H chondrites) are extremely rare. 6 Hebe is extremely...
14 KB (1,246 words) - 00:54, 7 September 2024
like ordinary chondrites, the most common type of meteorite observed impacting Earth. This ignores the less abundant enstatite chondrites, which formed...
33 KB (3,145 words) - 01:54, 15 November 2024
the Earth. E chondrites have an entirely different source rock than that of the ordinary chondrites. In analysis of kamacite in E chondrites it was found...
27 KB (3,369 words) - 07:59, 15 October 2024
Murchison meteorite (category Chondrite meteorites)
(220 lb). The meteorite belongs to the CM group of carbonaceous chondrites. Like most CM chondrites, Murchison is petrologic type 2, which means that it experienced...
20 KB (1,836 words) - 05:55, 11 November 2024
P. (2011). "Spectral Reflectance Properties of carbonaceous chondrites: 1. CI chondrites". Icarus. 212 (1): 180. Bibcode:2011Icar..212..180C. doi:10.1016/j...
100 KB (8,693 words) - 22:17, 12 November 2024
identified as one of three asteroids that were likely to be a parent body for chondrites along with 449 Hamburga and 335 Roberta. All three asteroids were known...
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of CM or CR carbonaceous chondrites. Ruthenium isotope ratios found in impact layers also support a carbonaceous chondrite composition for the impactor...
84 KB (8,255 words) - 14:29, 18 November 2024
Orgueil (meteorite) (category Chondrite meteorites)
(2019). "Modal abundances of coarse-grained (>5 μm) components within CI-chondrites and their individual clasts – Mixing of various lithologies on the CI...
11 KB (964 words) - 10:26, 5 June 2024
that are similar to chondrites. There are similarities in trace element concentrations between primitive achondrites and chondrites. A textural indicator...
4 KB (385 words) - 14:17, 27 July 2023
studying the relationship between shock state and porosity in carbonaceous chondrites. JPL · 11266 11267 Donaldkessler 1981 UE28 Donald J. Kessler (born 1940)...
152 KB (445 words) - 07:34, 5 October 2024
University of New Brunswick Fredericton. Retrieved 2009-08-19. A rain of L-Chondrites in the Thorsberg quarry at Kinnekulle, southern Sweden-Thomas Müller TU...
2 KB (130 words) - 06:36, 2 July 2024
Allende meteorite (category Chondrite meteorites)
Carbonaceous chondrites compose about 4 percent of all meteorites observed to fall from space. Prior to 1969, the carbonaceous chondrite class was known...
16 KB (1,822 words) - 01:26, 18 August 2024
of Polar Research in Tokyo, whose petrologic studies of carbonaceous chondrites and martian meteorites have focused on understanding the processes of...
200 KB (445 words) - 11:32, 22 October 2024