CI chondrites, also called C1 chondrites or Ivuna-type carbonaceous chondrites, are a group of rare carbonaceous chondrite, a type of stony meteorite....

A chondrite /ˈkɒndraɪt/ is a stony (non-metallic) meteorite that has not been modified, by either melting or differentiation of the parent body. They...

their abundance in CI chondrites). In this sense, they are chemically the most primitive known meteorites. [citation needed] CI chondrites typically contain...

on seismic measurements, models of Earth's accretion, and carbonaceous chondrite meteorite comparisons with bulk silicate Earth (BSE). Recent estimates...

interpretation of quantum mechanics Cubic inch, a unit of volume CI group, a type of carbonaceous chondrite meteorite Carrier interferometry, a radio and optical...

definition was found: C-chondrites contain proportionally higher magnesium than ordinary chondrites. The C-chondrites subdivide into CI, CM, CO, CV, CK, CR...

J (Jul 2010). "Carbonates in CM chondrites: Complex formation histories and comparison to carbonates in CI chondrites". Meteoritics & Planetary Science...

spectrally different inclusions. The inclusions appear similar to CI chondrites. An unanticipated side effect from the Hayabusa2 thrusters revealed...

group, CI chondrites are considered a better match for the composition of the early Solar System. Moreover, the chemical analysis of CI chondrites is more...

indicated a correspondence with the CI and/or CM carbonaceous chondrite meteorites, including carbonaceous-chondrite mineral magnetite. Magnetite, a spectrally...

Bischoff, Adolf (1994). "Chemistry, petrography, and mineralogy of the Tonk CI chondrite: Preliminary results". Meteoritics. 29 (4): 462–463. Ministry of Panchayati...

CI chondrites which, paradoxically, do not contain any chondrules despite their designation as chondrites, whereas ordinary and enstatite chondrites contain...

Stony meteorites Chondrites Carbonaceous chondrite class CI chondrites (Ivuna-like) group CM-CO chondrite (mini-chondrule) clan CM chondrite (Mighei-like)...

earth. Cubanite has been found in carbonaceous chondrite meteorites, specifically class CI-chondrites, as well as in cometary samples from NASA’s Stardust...

University Press Orgueil is one of five known meteorites belonging to the CI chondrite group (see meteorites classification), and is the largest (14 kilograms...

22 January 1911. It is one of five known meteorites belonging to the CI chondrite group. This group is remarkable for having an elemental distribution...

evolution. Ratios larger or smaller than compared with that in the sun or CI chondrites, which are used as proxy for the sun, indicate that significant hydrodynamic...

France. The meteorite is one of five known meteorites belonging to the CI chondrite group. This group is remarkable for having an elemental distribution...

have a carbon concentration that is five to ten times less than in CI chondrites, a form of meteor that is believed to represent the composition of the...

respect to the Sun or the gas planets. Certain type of meteorites, CI-chondrites, have chemical compositions that are almost identical to the solar photosphere...

matches ancient eucrite chondrites, which originate from the asteroid Vesta in the outer asteroid belt. CI, CM, and eucrite chondrites are believed to have...

this class have spectra very similar to those of carbonaceous chondrite meteorites (types CI and CM). The latter are very close in chemical composition to...

CM chondrites, together with the CI group, are rich in carbon and are among the most chemically primitive meteorites. Like other CM chondrites, Murchison...

some similarities to the two most primitive carbonaceous chondrite types, the CI and CM chondrites; it is nevertheless quite distinct from either of them...

isotopic compositions with signatures similar to those of CI and CM carbonaceous chondrites were found in Tunguska peat layers dating from the TE (Kolesnikov...

reported present. Modern science records the meteorite as a L6 ordinary chondrite. The Wold Cottage meteorite was the largest meteorite observed to fall...

asteroids can be reproduced through a combination of 31% CI and 49% CM groups of carbonaceous chondrite meteorites, plus 20% Tagish lake meteorites, after undergoing...

water to remain in the lithic matrix. The carbonaceous chondrite class is often water-rich, and the CI sub group are as much as 22% water. Notable nearby...

1952). "Solving the Riddle of Chubb Crater". National Geographic Magazine. CI (1): 1–31. "Buried Missile". Time. 24 September 1951. Archived from the original...

has a similar, but not identical, composition to that of carbonaceous chondrite meteorites. It is an oblate spheroid, with an equatorial diameter 8% larger...