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Nakhlites are a group of Martian meteorites, named after the first one, Nakhla meteorite . Nakhlites are igneous rocks that are rich in augite and were formed from basaltic magma about 1.3 billion years ago. They contain augite and olivine crystals.
3.2.3 The “Fractionated Atmospheric” Component. The nakhlites, like the shergottites, show enhanced 129 Xe/ 132 Xe ratios, but at a lower 84 Kr/ 132 Kr; that is, in the 129 Xe/ 132 Xe versus 84 Kr/ 132 Xe plot of Fig. 3.3 they plot above the mixing line between Chassigny and Mars atmosphere. This has led to the suggestion that they contain ...
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This nakhlite exhibits complex chemical zoning in olivine and augite—the augite zoning is unlike that in any other nakhlite. Based on the Ca-Fe-Mg zoning profile, the cooling rate was determined to be 0.01–0.05 °C/hr; this is similar to that for Nakhla, GV, and Y-000593, which are considered to have crystallized at an intermediate depth ...
Jul 20, 2005 · Abstract. The seven nakhlite meteorites are augite-rich igneous rocks that formed in flows or shallow intrusions of basaltic magma on Mars. They consist of euhedral to subhedral crystals of augite and olivine (to 1 cm long) in fine-grained mesostases. The augite crystals have homogeneous cores of Mg′=63% and rims that are normally zoned to ...
May 11, 2021 · Paleointensity and Rock Magnetism of Martian Nakhlite Meteorite Miller Range 03346: Evidence for Intense Small‐Scale Crustal Magnetization on Mars - Volk - 2021 - Journal of Geophysical Research: Planets - Wiley Online Library.
