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Sixiangkou meteorite, Sixiangkou, Gaogang District, Taizhou, Jiangsu, Chinai
Regional Level Types
Sixiangkou meteoriteMeteorite Fall Location
Sixiangkou- not defined -
Gaogang DistrictDistrict
TaizhouPrefecture
JiangsuProvince
ChinaCountry

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Latitude & Longitude (WGS84):
32° 25' 59'' North , 119° 52' 0'' East
Latitude & Longitude (decimal):
32.43333,119.86667
GRN:
N22E73
Type:
Meteorite Fall Location
Meteorite Class:
L5 chondrite meteorite
Meteoritical Society Class:
L5
Metbull:
View entry in Meteoritical Bulletin Database
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Taizhou612,356 (2013)7.5km
Jiangyan70,375 (2012)27.1km
Xiannü83,936 (2012)28.7km
Taixing79,655 (2014)32.7km
Yangzhou539,715 (2013)40.6km
Mindat Locality ID:
69701
Long-form identifier:
mindat:1:2:69701:2
GUID (UUID V4):
0


Ordinary Chondrite,veined (L6)
Fall, June 15, 1989; 630 g

After a sonic boom a meteorite hit the roof of Mr. Luan Jianzhong's house in Sixiangkou. Four stones (300 g, 205 g, 75 g, 50 g) were recovered from the roof, a vegetable field and the roadside.

Microscopic examination shows that it is an olivine-bronzite chondritic meteorite composed primarily of olivine (40%), bronzite (32%), plagioclase (10%), kamacite (7%), troilite (6%) and some Ca-rich salite and cristobalite.

A number of minerals and phases created by unusually high pressure are found within the meteorite (akimotoite, jadeite, lingunite, majorite, a majorite-pyrope intergrowth, wadsleyite, ringwoodite, and wadsleyite). Lingunite, in fact, was discovered in the Sixiangkou meteorite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


18 valid minerals. 1 (TL) - type locality of valid minerals.

Meteorite/Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Akimotoite
Formula: MgSiO3
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Cristobalite
Formula: SiO2
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Enstatite var. Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
ⓘ 'Fayalite-Forsterite Series'
ⓘ Jadeite
Formula: Na(Al,Fe3+)Si2O6
ⓘ Lingunite (TL)
Formula: NaAlSi3O8
Type Locality:
ⓘ 'Low-calcium pyroxene'
ⓘ Majorite
Formula: Mg3(MgSi)(SiO4)3
ⓘ 'Majorite-Pyrope Series'
Description: Majorite-Pyrope intergrowths are present.
ⓘ 'Maskelynite'
ⓘ Merrillite
Formula: Ca9NaMg(PO4)7
ⓘ Native Iron
Formula: Fe
ⓘ Native Iron var. Kamacite
Formula: (Fe,Ni)
ⓘ 'Olivine Group'
Formula: M2SiO4
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
ⓘ Ringwoodite
Formula: (Mg,Fe2+)2SiO4
References:
Chen, M., Goresy, A. E., Gillet, P. (2004) Ringwoodite lamellae in olivine: Clues to olivine-ringwoodite phase transition mechanisms in shocked meteorites and subducting slabs. Proceedings of the National Academy of Sciences, 101 (42) 15033-15037 doi:10.1073/pnas.0405048101
Zhang, A., et al (2006): Lunar and Planetary Science, 37, 1069
Miyajima, N., Goresy, A. E., Dupas-Bruzek, C., Seifert, F., Rubie, D. C., Chen, M., Xie, X. (2007) Ferric iron in Al-bearing akimotoite coexisting with iron-nickel metal in a shock-melt vein in an L-6 chondrite. American Mineralogist, 92 (10) 1545-1549 doi:10.2138/am.2007.2546
Li, Shaolin, Hsu, Weibiao (2018) The nature of the L chondrite parent body's disruption as deduced from high-pressure phases in the Sixiangkou L6 chondrite. Meteoritics & Planetary Science, 53 (10) 2107-2122 doi:10.1111/maps.13110
ⓘ Taenite
Formula: (Ni,Fe)
ⓘ Troilite
Formula: FeS
ⓘ Tuite
Formula: Ca3(PO4)2
ⓘ Wadsleyite
Formula: Mg4O(Si2O7)
ⓘ Whitlockite
Formula: Ca9Mg(PO4)6(PO3OH)
ⓘ Wüstite
Formula: FeO
ⓘ Wüstite var. Magnesiowüstite
Formula: (Mg,Fe)O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Iron1.AE.05Fe
ⓘvar. Kamacite1.AE.05(Fe,Ni)
ⓘTaenite1.AE.10(Ni,Fe)
Group 2 - Sulphides and Sulfosalts
ⓘTroilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
ⓘWüstite4.AB.25FeO
ⓘvar. Magnesiowüstite4.AB.25(Mg,Fe)O
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘAkimotoite4.CB.05MgSiO3
ⓘCristobalite4.DA.15SiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘWhitlockite8.AC.45Ca9Mg(PO4)6(PO3OH)
ⓘMerrillite8.AC.45Ca9NaMg(PO4)7
ⓘTuite8.AC.45Ca3(PO4)2
Group 9 - Silicates
ⓘRingwoodite9.AC.15(Mg,Fe2+)2SiO4
ⓘMajorite9.AD.25Mg3(MgSi)(SiO4)3
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘWadsleyite9.BE.02Mg4O(Si2O7)
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘvar. Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
ⓘDiopside9.DA.15CaMgSi2O6
ⓘJadeite9.DA.25Na(Al,Fe3+)Si2O6
ⓘLingunite (TL)9.FA.70NaAlSi3O8
Unclassified
ⓘ'Maskelynite'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'Olivine Group'-M2SiO4
ⓘ'Majorite-Pyrope Series'-
ⓘ'Low-calcium pyroxene'-

List of minerals for each chemical element

HHydrogen
Hⓘ WhitlockiteCa9Mg(PO4)6(PO3OH)
OOxygen
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ CristobaliteSiO2
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ JadeiteNa(Al,Fe3+)Si2O6
Oⓘ MajoriteMg3(MgSi)(SiO4)3
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ Ringwoodite(Mg,Fe2+)2SiO4
Oⓘ WadsleyiteMg4O(Si2O7)
Oⓘ WhitlockiteCa9Mg(PO4)6(PO3OH)
Oⓘ WüstiteFeO
Oⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Oⓘ MerrilliteCa9NaMg(PO4)7
Oⓘ AkimotoiteMgSiO3
Oⓘ Fayalite-Forsterite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ TuiteCa3(PO4)2
Oⓘ LinguniteNaAlSi3O8
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Olivine GroupM2SiO4
Oⓘ Majorite-Pyrope Series
Oⓘ Wüstite var. Magnesiowüstite(Mg,Fe)O
NaSodium
Naⓘ JadeiteNa(Al,Fe3+)Si2O6
Naⓘ MerrilliteCa9NaMg(PO4)7
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ LinguniteNaAlSi3O8
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ MajoriteMg3(MgSi)(SiO4)3
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ Ringwoodite(Mg,Fe2+)2SiO4
Mgⓘ WadsleyiteMg4O(Si2O7)
Mgⓘ WhitlockiteCa9Mg(PO4)6(PO3OH)
Mgⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Mgⓘ MerrilliteCa9NaMg(PO4)7
Mgⓘ AkimotoiteMgSiO3
Mgⓘ Fayalite-Forsterite Series
Mgⓘ Majorite-Pyrope Series
Mgⓘ Wüstite var. Magnesiowüstite(Mg,Fe)O
AlAluminium
Alⓘ JadeiteNa(Al,Fe3+)Si2O6
Alⓘ PyropeMg3Al2(SiO4)3
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ LinguniteNaAlSi3O8
Alⓘ Majorite-Pyrope Series
SiSilicon
Siⓘ CristobaliteSiO2
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ JadeiteNa(Al,Fe3+)Si2O6
Siⓘ MajoriteMg3(MgSi)(SiO4)3
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ Ringwoodite(Mg,Fe2+)2SiO4
Siⓘ WadsleyiteMg4O(Si2O7)
Siⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Siⓘ AkimotoiteMgSiO3
Siⓘ Fayalite-Forsterite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ LinguniteNaAlSi3O8
Siⓘ Olivine GroupM2SiO4
Siⓘ Majorite-Pyrope Series
PPhosphorus
Pⓘ WhitlockiteCa9Mg(PO4)6(PO3OH)
Pⓘ MerrilliteCa9NaMg(PO4)7
Pⓘ TuiteCa3(PO4)2
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ TroiliteFeS
CaCalcium
Caⓘ DiopsideCaMgSi2O6
Caⓘ WhitlockiteCa9Mg(PO4)6(PO3OH)
Caⓘ MerrilliteCa9NaMg(PO4)7
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ TuiteCa3(PO4)2
Caⓘ ApatiteCa5(PO4)3A
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ Native IronFe
Feⓘ JadeiteNa(Al,Fe3+)Si2O6
Feⓘ Native Iron var. Kamacite(Fe,Ni)
Feⓘ Ringwoodite(Mg,Fe2+)2SiO4
Feⓘ Taenite(Ni,Fe)
Feⓘ TroiliteFeS
Feⓘ WüstiteFeO
Feⓘ Enstatite var. Bronzite(Mg,Fe2+)2[SiO3]2
Feⓘ Fayalite-Forsterite Series
Feⓘ Wüstite var. Magnesiowüstite(Mg,Fe)O
NiNickel
Niⓘ Native Iron var. Kamacite(Fe,Ni)
Niⓘ Taenite(Ni,Fe)

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian PlateTectonic Plate

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References

www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/metbull.php?code=23619
Liu, Lin-Gun (1978) High-pressure phase transformations of albite, jadeite and nepheline. Earth and Planetary Science Letters, 37 (3) 438-444 doi:10.1016/0012-821x(78)90059-6
Gillet, P. (2000) Natural NaAlSi3O8-Hollandite in the Shocked Sixiangkou Meteorite. Science, 287 (5458). 1633-1636 doi:10.1126/science.287.5458.1633
Tomioka, Naotaka; Mori, Hiroshi; Fujino, Kiyoshi (2000) Shock‐induced transition of NaAlSi3O8 feldspar into a hollandite structure in a L6 chondrite. Geophysical Research Letters, 27 (24). 3997-4000 doi:10.1029/2000gl008513
Chen, M., Goresy, A. E., Gillet, P. (2004) Ringwoodite lamellae in olivine: Clues to olivine-ringwoodite phase transition mechanisms in shocked meteorites and subducting slabs. Proceedings of the National Academy of Sciences, 101 (42) 15033-15037 doi:10.1073/pnas.0405048101
Zhang, A., Hsu, W., Wang, R., Ding, M. (2006): Assemblage of diopside, pyroxene, akimotoite, and ringwoodite in the heavily shocked Sixiangkou L6 chondrite: further constraints on conditions of shock metamorphism. Lunar and Planetary Science, 37, 1069.
Miyajima, N., Goresy, A. E., Dupas-Bruzek, C., Seifert, F., Rubie, D. C., Chen, M., Xie, X. (2007) Ferric iron in Al-bearing akimotoite coexisting with iron-nickel metal in a shock-melt vein in an L-6 chondrite. American Mineralogist, 92 (10) 1545-1549 doi:10.2138/am.2007.2546
Tomioka, Naotaka, Miyahara, Masaaki (2017) High‐pressure minerals in shocked meteorites. Meteoritics & Planetary Science, 52 (9) 2017-2039 doi:10.1111/maps.12902
Li, Shaolin, Hsu, Weibiao (2018) The nature of the L chondrite parent body's disruption as deduced from high-pressure phases in the Sixiangkou L6 chondrite. Meteoritics & Planetary Science, 53 (10) 2107-2122 doi:10.1111/maps.13110
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