 | | Journal (article/letter/editorial) | | Copyright 0 1997 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/97 $17.00 + .OO ...Engineering Laboratory, Amherst, Massachusetts 01003, USA *Dept. of Materials Science and Engineering, Whitaker...Lehigh University, Bethlehem, Pennsylvania 18015, USA (Received July 29, 1996; accepted in revised form...varies inversely with the cooling rate of the meteorite. The y’, Ni,Fe, phase is formed when the high-Ni...determine the low temperature thermal history of the meteorite. The microstructure of the metal is similar, in |  | | Journal (article/letter/editorial) | | 569-580 (2000) 0Meteoritical Society, 2000 Printed in USA. Microstructures of metal grains in ordinary chondrites:...Leroux et al. EXPERIMENTAL PROCEDURE For each meteorite, polished sections were etched in nital (3% I-INOj...stochiometric Fe-Ni sample. Several metal grains of each meteorite were then selected and prepared for ATEM examination...observations for each meteorite separately. Saint SCverin (LL6 chondrite) In this meteorite, metal phases comprise...metal and troilite strongly suggests that the meteorite reached in the past, at least locally, the eutectic |
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