scholarly journals Compositions and microstructures of CB sulfides: Implications for the thermal history of the CB chondrite parent body

2017 ◽  
Vol 52 (10) ◽  
pp. 2193-2219 ◽  
Author(s):  
Poorna Srinivasan ◽  
Rhian H. Jones ◽  
Adrian J. Brearley
Keyword(s):  
Thermal History ◽  
Parent Body ◽  
History Of

Thermal history of the H-chondrite parent body: Implications for metamorphic grade and accretionary time-scales

2013 ◽  
Vol 119 ◽  
pp. 302-321 ◽  
Author(s):  
Marc Monnereau ◽  
Michael J. Toplis ◽  
David Baratoux ◽  
Jérémy Guignard
Keyword(s):  
Time Scales ◽  
Thermal History ◽  
Parent Body ◽  
Metamorphic Grade ◽  
History Of

Hf–W thermochronometry: II. Accretion and thermal history of the acapulcoite–lodranite parent body

2009 ◽  
Vol 284 (1-2) ◽  
pp. 168-178 ◽  
Author(s):  
Mathieu Touboul ◽  
Thorsten Kleine ◽  
Bernard Bourdon ◽  
James A. Van Orman ◽  
Colin Maden ◽  
...  
Keyword(s):  
Thermal History ◽  
Parent Body ◽  
History Of

scholarly journals An Almahata Sitta EL3 fragment: Implications for the Unique Thermal History of Enstatite Chondrites

2021 ◽  
Author(s):  
Makoto Kimura ◽  
Michael K. Weisberg ◽  
Asako Takaki ◽  
Naoya Imae ◽  
Akira Yamaguchi
Keyword(s):  
High Temperature ◽  
Short Duration ◽  
Thermal History ◽  
Parent Body ◽  
The Other ◽  
Thermal Event ◽  
Other Hand ◽  
Typical Type ◽  
History Of ◽  
Type 3

Abstract Almahata Sitta is a polymict breccia, consisting of many kinds of clasts. Here we present our mineralogical and petrological results on an EL3 fragment, MS-177 from Almahata Sitta. This fragment shows a typical type 3 chondritic texture, consisting of well-defined chondrules often with olivine, isolated silicate minerals, and opaque nodules. Although these components are typical of EL3 chondrites, the mineral abundances and compositions are different from the other EL3s. Diopside is highly abundant. On the other hand, perryite and daubreelite were not found. The major pyroxene is orthoenstatite, and the silica phase is quartz. Fe-Ni metal has relatively high P contents. Troilite is enriched in Cr and Mn. Keilite and buseckite are present in MS-177. From the mineralogy and texture, MS-177 experienced a high-temperature event under subsolidus conditions. Shock-induced heating for a short duration might explain this high-temperature event. This is supported by shock-induced darkened feature of MS-177. We suggest that other E3 chondrites also experienced heating events under such subsolidus conditions on their parent bodies. On the other hand, the high abundance of diopside cannot be explained by a secondary thermal event and may have been a primary feature of MS-177, formed before accretion to the parent body.

Mineralogy and39Ar-40Ar age of an old pristine basalt: Thermal history of the HED parent body

1994 ◽  
Vol 122 (1-2) ◽  
pp. 183-194 ◽  
Author(s):  
Hiroshi Takeda ◽  
Hiroshi Mori ◽  
Donald D. Bogard
Keyword(s):  
Thermal History ◽  
Parent Body ◽  
History Of
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