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Yamato 82189 meteorite (Y-82189), Queen Fabiola Mts (Yamato Mts), Queen Maud Land, Eastern Antarctica, Antarcticai
Regional Level Types
Yamato 82189 meteorite (Y-82189)Meteorite Fall Location
Queen Fabiola Mts (Yamato Mts)Mountain Range
Queen Maud Land- not defined -
Eastern AntarcticaRegion
AntarcticaContinent

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Key
Latitude & Longitude (WGS84):
71° 30' South , 35° 40' East
Latitude & Longitude (decimal):
Köppen climate type:


EH-impact melt
1992 find, 43.6 g, weathered

Y-82189 is a small stone dominated by homogeneous enstatite grains surrounded by interstitial metallic Fe-Ni, troilite, and plagioclase. No chondrules are present. Minor amounts of reduced phases characteristic of the Enstatite clan (daubréelite, djerfisherite, graphite, niningerite, perryite, schreibersite, sphalerite) are present. Minor silicates, albite and rare fluorophlogopopite, are found as well (first occurrence of phlogopite in an Enstatite meteorite). Classification as a member of the EH Chondrite Group is indicated by the compositions of the Si-bearing metal and niningerite.

Shock effects include undulose extinction in both orthoenstatite & plagioclase. Presumably, shock effects are responsible for some or even most of the melting which has occurred. No indicators of widespread migration or differentiation typical of achondritic meteorites are reported in the cited sources.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Meteorite/Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Kimura, M., Lin, Y., Floss, C., Suzuki, A., Mikouchi, T. & Ebihara, M. (2008) Fluorophlogopite in the EH Chondrite Y-82189, pdf#5068: Meteoritics & Planetary Science 43 (Supplement): A75. (July 2008)
'Albite-Anorthite Series'
Description: Roughly 10% (modal analysis).
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Daubréelite
Formula: Fe2+Cr3+2S4
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Djerfisherite
Formula: K6(Fe,Cu,Ni)25S26Cl
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Enstatite
Formula: MgSiO3
Description: Euhedral grains are part of a homogeneous texture.
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Fluorophlogopite
Formula: KMg3(AlSi3O10)(F,OH)2
Description: Six grains reported by Lin & Kimura (1998); Later refinements report that the phlogopite is virtually OH and Cl free.
Reference: Kimura, M., Lin, Y., Floss, C., Suzuki, A., Mikouchi, T. & Ebihara, M. (2008) Fluorophlogopite in the EH Chondrite Y-82189, pdf#5068: Meteoritics & Planetary Science 43 (Supplement): A75. (July 2008)
Graphite
Formula: C
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
'Nickel-iron'
Description: Compositionally more or less consistent with Kamacite (~6wt%Ni,~3%Si) but mineralogically specific results not cited here.
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Niningerite
Formula: (Mg,Fe2+,Mn2+)S
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Perryite
Formula: (Ni,Fe)5(Si,P)2
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Quartz
Formula: SiO2
Reference: Kimura, M., Lin, Y., Floss, C., Suzuki, A., Mikouchi, T. & Ebihara, M. (2008) Fluorophlogopite in the EH Chondrite Y-82189, pdf#5068: Meteoritics & Planetary Science 43 (Supplement): A75. (July 2008)
Schreibersite
Formula: (Fe,Ni)3P
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Sphalerite
Formula: ZnS
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Troilite
Formula: FeS
Reference: Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Perryite1.BB.10(Ni,Fe)5(Si,P)2
Schreibersite1.BD.05(Fe,Ni)3P
Group 2 - Sulphides and Sulfosalts
Daubréelite2.DA.05Fe2+Cr3+2S4
Djerfisherite2.FC.05K6(Fe,Cu,Ni)25S26Cl
Niningerite2.CD.10(Mg,Fe2+,Mn2+)S
Sphalerite2.CB.05aZnS
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Enstatite9.DA.05MgSiO3
Fluorophlogopite9.EC.20KMg3(AlSi3O10)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Nickel-iron'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Perryite1.1.22.1(Ni,Fe)5(Si,P)2
Schreibersite1.1.21.2(Fe,Ni)3P
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
Troilite2.8.9.1FeS
AmBnXp, with (m+n):p = 3:4
Daubréelite2.10.1.11Fe2+Cr3+2S4
Chlor-sulfides
Djerfisherite2.15.2.1K6(Fe,Cu,Ni)25S26Cl
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Enstatite65.1.2.1MgSiO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
Fluorophlogopite-KMg3(AlSi3O10)(F,OH)2
'Nickel-iron'-
Niningerite-(Mg,Fe2+,Mn2+)S

List of minerals for each chemical element

HHydrogen
H FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
CCarbon
C GraphiteC
OOxygen
O EnstatiteMgSiO3
O FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
O AlbiteNa(AlSi3O8)
O QuartzSiO2
FFluorine
F FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg EnstatiteMgSiO3
Mg Niningerite(Mg,Fe2+,Mn2+)S
Mg FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
AlAluminium
Al FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Al AlbiteNa(AlSi3O8)
SiSilicon
Si EnstatiteMgSiO3
Si Perryite(Ni,Fe)5(Si,P)2
Si FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
PPhosphorus
P Perryite(Ni,Fe)5(Si,P)2
P Schreibersite(Fe,Ni)3P
SSulfur
S DaubréeliteFe2+Cr23+S4
S DjerfisheriteK6(Fe,Cu,Ni)25S26Cl
S Niningerite(Mg,Fe2+,Mn2+)S
S SphaleriteZnS
S TroiliteFeS
ClChlorine
Cl DjerfisheriteK6(Fe,Cu,Ni)25S26Cl
KPotassium
K DjerfisheriteK6(Fe,Cu,Ni)25S26Cl
K FluorophlogopiteKMg3(AlSi3O10)(F,OH)2
CrChromium
Cr DaubréeliteFe2+Cr23+S4
FeIron
Fe DaubréeliteFe2+Cr23+S4
Fe DjerfisheriteK6(Fe,Cu,Ni)25S26Cl
Fe Perryite(Ni,Fe)5(Si,P)2
Fe Schreibersite(Fe,Ni)3P
Fe TroiliteFeS
NiNickel
Ni DjerfisheriteK6(Fe,Cu,Ni)25S26Cl
Ni Perryite(Ni,Fe)5(Si,P)2
Ni Schreibersite(Fe,Ni)3P
CuCopper
Cu DjerfisheriteK6(Fe,Cu,Ni)25S26Cl
ZnZinc
Zn SphaleriteZnS

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lin, Y. & Kimura, M. (1998) Petrographic and mineralogical study of new EH melt rocks and a new enstatite chondrite grouplet: Meteoritics & Planetary Science 33(3): 501-511. (May 1998)
Kimura, M., Lin, Y., Floss, C., Suzuki, A., Mikouchi, T. & Ebihara, M. (2008) Fluorophlogopite in the EH Chondrite Y-82189, pdf#5068: Meteoritics & Planetary Science 43 (Supplement): A75. (July 2008)

External Links

http://www.lpi.usra.edu/meteor/metbull.php =Meteoritical Bulletin Database

Other Regions, Features and Areas containg this locality

Antarctic MeteoritesGroup of Meteorite Fall Locations
Antarctic PlateTectonic Plate

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