nakhlite

nakhlite

[′näk‚līt]
(geology)
An achondritic stony meteorite composed of an aggregate of diopside and olivine.
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The meteorite was classified as a nakhlite, a subgroup of Martian meteorites.
The meteorite that Velbel and his colleagues examined - known as a nakhlite meteorite - was recovered in 2003 in the Miller Range of Antarctica.
All but one other have been part of the Shergottite, Nakhlite and Chassignite group, named for the locations where the first of each subtype was discovered.
Dr Susanne Schwenzer, from The Open University, said: "Before we had the detailed study of the nakhlite meteorites, we did not know that carbonates are forming first, followed by the clays.
They come in three different groups, the shergottites, the nakhlites and the chassignites.
Laboratory-based studies of the SNC (shergottite, nakhlite, and chassigny) group of meteorites (Nyquist et al.
A microscopic view into a Martian Nakhlite meteorite shows tunnels (in boxes) that are similar to tunnels associated with DNA in terrestrial rocks.
The meteorite that Velbel and his colleagues examined -- known as a nakhlite meteorite -- was recovered in 2003 in the Miller Range of Antarctica.
Altogether eight nakhlite Martian meteorites are known, and all have small but significant differences between them and in their alteration minerals.
Scientists at the University's renowned Space Research Centre, in the Department of Physics and Astronomy, examined five meteorite samples - including the very first nakhlite, found a century ago.
The findings are based on analysis of radioactive isotopes of rare elements in an ancient meteorite, known as nakhlite, after the place in Egypt where it was found.
The new specimen is the seventh known member of a group of martian meteorites called the nakhlites, which scientists propose originated within thick lava flows that solidified on Mars some 1.