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Understanding the Chemical Composition of Chondrites: Insights from Recent Analyses

This article discusses the latest findings on the chemical makeup of various types of chondrites, including H-group, L-group, and CI chondrites. The research incorporates data from multiple analytical techniques and highlights the elemental distribution of minerals such as olivine and pyroxene. It also delves into the implications of this composition on our understanding of planetary formation and the evolution of the solar system. The study emphasizes the importance of precise measurements and the diversity of meteorite samples collected from different celestial bodies.

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Understanding the Chemical Composition of Chondrites: Insights from Recent Analyses

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    1. ?????? ???:??????????

    2. ????? ???(6/10) ???????? ???(6/17) ????????? ???(6/24) ???????? ???(??) ?????????? ???(7/8) ????????? ???(7/15) ???·???

    3. ??????????? ?????????????????

    4. ????? ???????????????????? ????????????????? ??????????????????

    5. ?????? ?????????? ????? ????:???????

    6. ????? ???????????????? ??????? ????????? ????????????

    7. ?????????? ????????????? ????????????? ????????

    8. ????????? ????????? ????????????

    9. ???????? ?????????????~5km/s ???????? ?????????????<<?????? ???????????????????

    10. ?????????? ???3:1????????????? 107????????

    11. ?????? ?????????? ????? ????????? ???????? ??????? ??? ????:???????

    12. ????????????? ???? ????????? ??????? ?????????? (???????????) ??????? ?? (MS,SIMS?EPMA) ??????

    13. ????? ???? ?????? ????????? ???????? ????????????? ??????? ???? (SNC??) ???? ???

    14. ????? ??????????????

    15. ????? ????????????

    16. ?????????????? ????? (olivine) (Mg,Fe)2SiO4 ???? (pyroxene) (Mg,Fe)SiO3 ????????

    17. ????? ???????? Mg2SiO4 ??????? Fe2SiO4

    18. ?? ??????? MgSiO3 ??????? FeSiO3

    19. ????? (2001?6?) H-group 7606 L-group 6828 LL-group 1691 C chondrites 627 E chondrites 211 Achondrites 719 Stony-irons 121 Irons 885

    20. ????????? ?????:??????? ????1mm?? ??????: ~1???? ????????????

    21. ?????????:???????? CI?????? ~????(?????) ????? ??????(~20%)

    22. ???? ??????1,2?3???? ???????????(CI2) (????2002)

    23. ??????? ?????? ??????+??? ????????? ??? ? ??? ?? ????

    24. ????:?????? 1996? ?????(?) ??100nm??????? ????????????????????

    25. ??? ?+?????? ????????????? ????????????

    26. ????????:?????? ????80%(???) S???????? (?????) ????????????

    27. ??????????? Fe???+??? ?????3??

    28. ????? H: 2.8×104 He: 2.7×103 C: 1.0×101 O: 2.4×101 Si: 1.0 Mg: 1.1 Fe: 0.9 Ca: 0.061, Na: 0.057, Al 0.085

    29. ???? ??=>Ca, Al????? ??? ?????????Mg??? ????? Fe???(????????) S???(FeS) ???

    30. ????????? ????? ?????? ? ? ???

    31. ??????????? C-rich post AGB star ???????? (Molster et al. 2002) ??100%Mg

    32. ??:???????????? ?????????Mg?????Fe??? Fe????????700K??? ?????????????? ??????????????

    33. ??????????? ??????????????? ?????????????????

    34. ????????????

    35. ?????? ?????? ?????????????? ???????????????

    37. ??????? 1000ºC????????? ??????? ???????? ???????

    38. ???????????? ?????????: ??????????? ??????????????

    39. ?????? ?????????? ????? ????????? ????????? ????:???????

    40. ????:???????

    41. ?????????????

    42. ???????????? ???~80%@????????????? ????????????????? Na, S?????? ? ????=??? ? ?????????? ?????? ? ????=??? ?????????? (~1mm) ?????????? ??????????? ???? ~1???

    43. ?????????????????? ??? ???????? × ?????? ????? ?????? (FU Orionis outburst) ×

    44. X-Wind model (Shu et al. 1996)

    45. ????????????:X-wind ???? ? ????? ? ????=??? ? (??????) ????=??? ? (??????) ?????????? ? ????? ? ???? ? ??????? ? (??????)

    46. ?? (Horyani 1993) ?????????????? ??????????????????????

    47. ????????????:?? ???? ? ????? ? ????=??? ? ????=??? ? (????????) ?????????? ? (????) ????? ? ???? ? ??????? ?

    48. ??? ?????????????? ???????????????????????? M=3-8???????? ???????????

    49. ??????????? ???????????? ??????????? ???????????????? ??????????

    50. ???????????? ???? (???~80%@????????)? ?????????????? ????? ????=??? Na, S?????? ????=??? ????? ?????????? ?????????? (~1mm)? ?????????? ???????????? ??? ??????? Na, S??????

    51. ?????? ??????????????? ?????????

    52. ??? ???????? ?????????????? ?????????? ????????????

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