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Sökning: WFRF:(Miller Amy L.) > The Creston, Califo...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00007952naa a2200721 4500
001oai:DiVA.org:ltu-73425
003SwePub
008190404s2019 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-734252 URI
0247 a https://doi.org/10.1111/maps.132352 DOI
040 a (SwePub)ltu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Jenniskens, Peteru SETI Institute, Carl Sagan Center, Mountain View, California, 94043 USA; NASA Ames Research Center, Moffett Field, California, 94035 USA4 aut
2451 0a The Creston, California, meteorite fall and the origin of L chondrites
264 c 2019-01-20
264 1b John Wiley & Sons,c 2019
338 a print2 rdacarrier
500 a Validerad;2019;Nivå 2;2019-04-04 (johcin)
520 a It has been proposed that all L chondrites resulted from an ongoing collisional cascade of fragments that originated from the formation of the ~500 Ma old asteroid family Gefion, located near the 5:2 mean‐motion resonance with Jupiter in the middle Main Belt. If so, L chondrite pre‐atmospheric orbits should be distributed as expected for that source region. Here, we present contradictory results from the orbit and collisional history of the October 24, 2015, L6 ordinary chondrite fall at Creston, CA (here reclassified to L5/6). Creston's short 1.30 ± 0.02 AU semimajor axis orbit would imply a long dynamical evolution if it originated from the middle Main Belt. Indeed, Creston has a high cosmic ray exposure age of 40–50 Ma. However, Creston's small meteoroid size and low 4.23 ± 0.07° inclination indicate a short dynamical lifetime against collisions. This suggests, instead, that Creston originated most likely in the inner asteroid belt and was delivered via the ν6 resonance. The U‐Pb systematics of Creston apatite reveals a Pb‐Pb age of 4,497.1 ± 3.7 Ma, and an upper intercept U‐Pb age of 4,496.7 ± 5.8 Ma (2σ), circa 70 Ma after formation of CAI, as found for other L chondrites. The K‐Ar (age ~4.3 Ga) and U,Th‐He (age ~1 Ga) chronometers were not reset at ~500 Ma, while the lower intercept U‐Pb age is poorly defined as 770 ± 320 Ma. So far, the three known L chondrites that impacted on orbits with semimajor axes a <2.0 AU all have high (>3 Ga) K‐Ar ages. This argues for a source of some of our L chondrites in the inner Main Belt. Not all L chondrites originate in a continuous population of Gefion family debris stretching across the 3:1 mean‐motion resonance.
650 7a TEKNIK OCH TEKNOLOGIERx Elektroteknik och elektronikx Annan elektroteknik och elektronik0 (SwePub)202992 hsv//swe
650 7a ENGINEERING AND TECHNOLOGYx Electrical Engineering, Electronic Engineering, Information Engineeringx Other Electrical Engineering, Electronic Engineering, Information Engineering0 (SwePub)202992 hsv//eng
653 a Onboard Space Systems
653 a Rymdtekniska system
7001 a Utas, Jasonu Institute of Geophysics and Planetary Physics, UCLA, Los Angeles, California, 90095 USA4 aut
7001 a Yin, Qing-Zhuu Department of Earth and Planetary Sciences, University of California at Davis, Davis, California, 95616 USA4 aut
7001 a Matson, Robert D.u Leidos, Seal Beach, California, 90740 USA4 aut
7001 a Fries, Marcu Astromaterials Research and Exploration Science, NASA Johnson Space Center, Houston, Texas, 77058 USA4 aut
7001 a Howell, Andreasu Spalding Allsky Camera Network, SkySentinel, LLC (SSL), Melbourne, Florida, 32940 USA4 aut
7001 a Free, Dwayneu Spalding Allsky Camera Network, SkySentinel, LLC (SSL), Melbourne, Florida, 32940 USA4 aut
7001 a Albers, Jimu SETI Institute, Carl Sagan Center, Mountain View, California, 94043 USA4 aut
7001 a Devillepoix, Hadrienu Faculty of Science & Engineering, Curtin University, Bentley, Perth, Western Australia, 6102 Australia4 aut
7001 a Bland, Philu Faculty of Science & Engineering, Curtin University, Bentley, Perth, Western Australia, 6102 Australia4 aut
7001 a Miller, Aaronu Ancient Earth Trading Co., Atascadero, California, 93423 USA4 aut
7001 a Verish, Robertu Meteorite Recovery Lab, Escondido, California, 92046 USA4 aut
7001 a Garvie, Laurence A. J.u Center for Meteorite Studies, School of Earth & Space Exploration, Arizona State University, Tempe, Arizona, 85287 USA4 aut
7001 a Zolensky, Michael E.u Astromaterials Research and Exploration Science, NASA Johnson Space Center, Houston, Texas, 77058 USA4 aut
7001 a Ziegler, Karenu Institute of Meteoritics, University of New Mexico, Albuquerque, New Mexico, 87131 USA4 aut
7001 a Sanborn, Matthewu Department of Earth and Planetary Sciences, University of California at Davis, Davis, California, 95616 USA4 aut
7001 a Verosub, Kenneth L.u Department of Earth and Planetary Sciences, University of California at Davis, Davis, California, 95616 USA4 aut
7001 a Rowland, Douglas J.u Center for Molecular and Genomic Imaging, Department of Biomedical Engineering, UC Davis, Davis, California, 95616 USA4 aut
7001 a Ostrowski, Daniel R.u NASA Ames Research Center, Moffett Field, California, 94035 USA; Bay Area Environmental Research Institute, 625 2nd St., Suite 209, Petaluma, California, 94952 USA4 aut
7001 a Bryson, Kathrynu NASA Ames Research Center, Moffett Field, California, 94035 USA; Bay Area Environmental Research Institute, 625 2nd St., Suite 209, Petaluma, California, 94952 USA4 aut
7001 a Laubenstein, Matthiasu Ist. Naz. di Fiscia Nucleare, Lab. Naz. del Gran Sasso, I-67100 Assergi (AQ), Italy4 aut
7001 a Zhou, Qinu National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012 China4 aut
7001 a Li, Qiu-Liu State Key Laboratory of Lithospheric Evolution, Inst. Geol. and Geophys., Chinese Acad. Sci., Beijing, 100029 China4 aut
7001 a Li, Xian-Huau State Key Laboratory of Lithospheric Evolution, Inst. Geol. and Geophys., Chinese Acad. Sci., Beijing, 100029 China4 aut
7001 a Liu, Yuu State Key Laboratory of Lithospheric Evolution, Inst. Geol. and Geophys., Chinese Acad. Sci., Beijing, 100029 China4 aut
7001 a Tang, Guo-Qiangu State Key Laboratory of Lithospheric Evolution, Inst. Geol. and Geophys., Chinese Acad. Sci., Beijing, 100029 China4 aut
7001 a Welten, Keesu Space Sciences Laboratory, University of California, Berkeley, California, 94720 USA4 aut
7001 a Caffee, Marc W.u PRIME Laboratory, Purdue University, West Lafayette, Indiana, 47907 USA4 aut
7001 a Meier, Matthias M. M.u Institute of Geochemistry and Petrology, ETH Zürich, CH-8092 Zürich, Switzerland4 aut
7001 a Plant, Amy A.u Institute of Geochemistry and Petrology, ETH Zürich, CH-8092 Zürich, Switzerland4 aut
7001 a Maden, Colinu Institute of Geochemistry and Petrology, ETH Zürich, CH-8092 Zürich, Switzerland4 aut
7001 a Busemann, Henneru Institute of Geochemistry and Petrology, ETH Zürich, CH-8092 Zürich, Switzerland4 aut
7001 a Granvik, Mikaelu Luleå tekniska universitet,Rymdteknik,University of Helsinki, Department of Physics, FI-00014 Helsinki, Finland4 aut0 (Swepub:ltu)mikgra
7102 a SETI Institute, Carl Sagan Center, Mountain View, California, 94043 USA; NASA Ames Research Center, Moffett Field, California, 94035 USAb Institute of Geophysics and Planetary Physics, UCLA, Los Angeles, California, 90095 USA4 org
7730 t Meteoritics and Planetary Scienced : John Wiley & Sonsg 54:4, s. 699-720q 54:4<699-720x 1086-9379x 1945-5100
8564 u https://escholarship.org/content/qt1tj2s85x/qt1tj2s85x.pdf?t=pnw03u
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-73425
8564 8u https://doi.org/10.1111/maps.13235

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