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Title: Shocked chromites in fossil L chondrites: A Raman spectroscopy and transmission electron microscopy study

Journal Article · · Meteoritics and Planetary Science
DOI:https://doi.org/10.1111/maps.12887· OSTI ID:1379985
 [1];  [2];  [3];  [4];  [5];  [5];  [6]
  1. Robert A. Pritzker Center for Meteoritics and Polar Studies The Field Museum of Natural History 1400 South Lake Shore Drive Chicago Illinois 60605 USA, Chicago Center for Cosmochemistry The University of Chicago 5734 South Ellis Avenue Chicago Illinois 60637 USA
  2. Robert A. Pritzker Center for Meteoritics and Polar Studies The Field Museum of Natural History 1400 South Lake Shore Drive Chicago Illinois 60605 USA, Chicago Center for Cosmochemistry The University of Chicago 5734 South Ellis Avenue Chicago Illinois 60637 USA, Department of the Geophysical Sciences The University of Chicago 5734 South Ellis Avenue Chicago Illinois 60637 USA
  3. Photon Science Division Argonne National Laboratory 9700 S. Cass Avenue Argonne Illinois 60439 USA
  4. Bayerisches Geoinstitut University of Bayreuth Universitätsstraβe 30 95447 Bayreuth Germany
  5. Electron and X‐ray Microscopy Center for Nanoscale Materials, Argonne National Laboratory 9700 S. Cass Avenue Argonne Illinois 60439 USA
  6. Robert A. Pritzker Center for Meteoritics and Polar Studies The Field Museum of Natural History 1400 South Lake Shore Drive Chicago Illinois 60605 USA, Astrogeobiology Laboratory Department of Physics Lund University SE 22100 Lund Sweden
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Abstract Chromites from Middle Ordovician fossil L chondrites and from matrix and shock‐melt veins in Catherwood, Tenham, and Coorara L chondrites were studied using Raman spectroscopy and TEM . Raman spectra of chromites from fossil L chondrites showed similarities with chromites from matrix and shock‐melt veins in the studied L chondrite falls and finds. Chromites from shock‐melt veins of L chondrites show polycrystallinity, while the chromite grains in fossil L chondrites are single crystals. In addition, chromites from shock‐melt veins in the studied L chondrites have high densities of planar fractures within the subgrains and many subgrains show intergrowths of chromite and xieite. Matrix chromite of Tenham has similar dislocation densities and planar fractures as a chromite from the fossil meteorite Golvsten 001 and higher dislocation densities than in chromite from the fossil meteorite Sextummen 003. Using this observation and knowing that the matrix of Tenham experienced 20–22  GP a and <1000° C, an upper limit for the P,T conditions of chromite from Golvsten 001 and Sextummen 003 can be estimated to be 20–22  GP a and 1000° C (shock stage S3–S6) and 20  GP a and 1000° C (S3–S5), respectively, and we conclude that the studied fossil meteorite chromites are from matrix.

Sponsoring Organization:
USDOE
OSTI ID:
1379985
Journal Information:
Meteoritics and Planetary Science, Journal Name: Meteoritics and Planetary Science Vol. 52 Journal Issue: 9; ISSN 1086-9379
Publisher:
Wiley-BlackwellCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

References (34)

The Majorite-Pyrope + Magnesiowustite Assemblage: Constraints on the History of Shock Veins in Chondrites journal March 1996
Fast delivery of meteorites to Earth after a major asteroid collision journal July 2004
Thermal and shock metamorphism of the Tenham chondrite: A TEM examination journal May 1995
Extraterrestrial spinels and the astronomical perspective on Earth's geological record and evolution of life journal June 2013
Anatomy of black veins in Zagami: clues to the formation of high-pressure phases journal December 2000
40 Ar- 39 Ar dating of collisional events in chondrite parent bodies journal November 1976
Fracture-related intracrystalline transformation of olivine to ringwoodite in the shocked Sixiangkou meteorite journal May 2006
Relation entre la composition chimique et le comportement vibrationnel de spinelles de synthèse et de chromites naturelles en microspectrométrie Raman journal January 1988
L-chondrite asteroid breakup tied to Ordovician meteorite shower by multiple isochron 40 Ar- 39 Ar dating journal January 2007
Microstructural shock signatures of major minerals in meteorites [Microstructural shock signatures of major minerals in meteorites] journal March 2001
Raman study of MgCr2O4–Fe2+Cr2O4 and MgCr2O4–MgFe2 3+O4 synthetic series: the effects of Fe2+ and Fe3+ on Raman shifts journal March 2013
The origin of the Brunflo fossil meteorite and extraterrestrial chromite in mid-Ordovician limestone from the Gärde quarry (Jämtland, central Sweden) journal January 2009
Ringwoodite lamellae in olivine: Clues to olivine-ringwoodite phase transition mechanisms in shocked meteorites and subducting slabs journal October 2004
Meteoritic, Asteroidal, and Theoretical Constraints on the 500 Ma Disruption of theLChondrite Parent Body journal January 1996
A single asteroidal source for extraterrestrial Ordovician chromite grains from Sweden and China: High-precision oxygen three-isotope SIMS analysis journal January 2010
A rain of ordinary chondritic meteorites in the early Ordovician journal December 2001
The mineralogy of ordinary chondrites and implications for asteroid spectrophotometry journal March 1991
Natural CaTi2O4-structured FeCr2O4 polymorph in the Suizhou meteorite and its significance in mantle mineralogy journal October 2003
High-pressure phase transitions in FeCr2O4 and structure analysis of new post-spinel FeCr2O4 and Fe2Cr2O5 phases with meteoritical and petrological implications journal August 2014
On the origin of hypersthene chondrites: Ages and shock effects of black chondrites journal January 1967
A transmission electron microscope study of Chassigny: Evidence for strong shock metamorphism journal January 1999
Sediment-Dispersed Extraterrestrial Chromite Traces a Major Asteroid Disruption Event journal May 2003
Chromite-plagioclase assemblages as a new shock indicator; implications for the shock and thermal histories of ordinary chondrites journal July 2003
Shock metamorphism of ordinary chondrites journal December 1991
Pressure-temperature phase diagram for the Allende meteorite journal September 1995
A fossil winonaite-like meteorite in Ordovician limestone: A piece of the impactor that broke up the L-chondrite parent body? journal August 2014
High-pressure phases in shock-induced melt veins of the Umbarger L6 chondrite: Constraints of shock pressure journal December 2004
A new type of solar-system material recovered from Ordovician marine limestone journal June 2016
Estimating shock pressures based on high-pressure minerals in shock-induced melt veins of L chondrites journal December 2006
Natural occurrence and synthesis of two new postspinel polymorphs of chromite journal November 2003
39Ar40Ar age and petrology of Chico: Large-scale impact melting on the L chondrite parent body journal April 1995
Raman spectroscopy of Fe-Ti-Cr-oxides, case study: Martian meteorite EETA79001 journal May 2004
Shock Events in the Solar System: The Message from Minerals in Terrestrial Planets and Asteroids journal May 2013
High-pressure (Mg, Fe)2SiO4 phases in the Tenham chondritic meteorite journal July 1979

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