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Allan Hills 85085 meteorite, Allan Hills, Victoria Land, Eastern Antarctica, Antarcticai
Regional Level Types
Allan Hills 85085 meteoriteMeteorite Fall Location
Allan HillsGroup of Hills
Victoria LandRegion
Eastern AntarcticaRegion
AntarcticaContinent

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Latitude & Longitude (WGS84):
76° 50' 53'' South , 156° 25' 13'' East
Latitude & Longitude (decimal):
-76.84833,156.42028
GeoHash:
G#: p6r4z6jy0
GRN:
S52E29
Type:
Meteorite Fall Location
Meteorite Class:
CH3 chondrite meteorite
Meteoritical Society Class:
CH3
Metbull:
View entry in Meteoritical Bulletin Database
Kรถppen climate type:
EF : Ice cap climate
Mindat Locality ID:
204469
Long-form identifier:
mindat:1:2:204469:2
GUID (UUID V4):
0
Other/historical names associated with this locality:
ALH 85085


Allan Hills 85085 (ALH 85085) is a single small stone (mass, 11.6 g) found in 1985 in Antarctica. Olivine (Fayalite 1-5 mol%) and Pyroxene (Ferrosilite 1-4 mol%) indicated a strongly reduced mineralogy. Its mineralogy, abundant metal, and unusual oxygen-&-nitrogen isotope ratios resulted in its designation as the prototype for the CH (โ€œHigh metalโ€) Carbonaceous Chondrites. ALH85085 is one of the few meteorite prototypes not seen to fall. In late 2013 over 20 individual stones (~12-15 original falls??) were listed in Meteoritical Societyโ€™s โ€œMeteoritical Bulletin Database. None of them represent observed falls. The CH chondrites have tiny chondrules, tiny inclusions, and abundant metal (~20 vol%). Sulfides are rare.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


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

Meteorite/Rock Types Recorded

Note: 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:

โ“˜ Alabandite
Formula: MnS
โ“˜ Anorthite
Formula: Ca(Al2Si2O8)
โ“˜ Armalcolite
Formula: (Mg,Fe2+)Ti2O5
โ“˜ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
โ“˜ Augite var. Fassaite
Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
โ“˜ Chromite
Formula: Fe2+Cr3+2O4
โ“˜ Daubrรฉelite
Formula: Fe2+Cr3+2S4
โ“˜ Diopside
Formula: CaMgSi2O6
โ“˜ Dolomite
Formula: CaMg(CO3)2
โ“˜ Enstatite
Formula: Mg2Si2O6
โ“˜ Esseneite
Formula: CaFe3+[AlSiO6]
โ“˜ 'Fayalite-Forsterite Series'
โ“˜ Forsterite
Formula: Mg2SiO4
โ“˜ Gehlenite
Formula: Ca2Al[AlSiO7]
โ“˜ Grossite
Formula: CaAl4O7
โ“˜ Heazlewoodite
Formula: Ni3S2
โ“˜ Hibonite
Formula: CaAl12O19
โ“˜ Kushiroite (TL)
Formula: CaAlAlSiO6
Type Locality:
โ“˜ Magnetite
Formula: Fe2+Fe3+2O4
โ“˜ 'Melilite Group'
Formula: Ca2M(XSiO7)
โ“˜ Native Iron
Formula: Fe
โ“˜ Native Iron var. Kamacite
Formula: (Fe,Ni)
โ“˜ Osbornite
Formula: TiN
โ“˜ Pentlandite
Formula: (NixFey)ฮฃ9S8
โ“˜ Perovskite
Formula: CaTiO3
โ“˜ Pigeonite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
โ“˜ 'Plessite'
โ“˜ Pyrrhotite
Formula: Fe1-xS
โ“˜ Rutile
Formula: TiO2
โ“˜ Schreibersite
Formula: (Fe,Ni)3P
โ“˜ 'Silica'
โ“˜ Spinel
Formula: MgAl2O4
โ“˜ Taenite
Formula: (Fe,Ni)
โ“˜ Tetrataenite
Formula: FeNi
โ“˜ Troilite
Formula: FeS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
โ“˜Native Iron1.AE.05Fe
โ“˜var. Kamacite1.AE.05(Fe,Ni)
โ“˜Taenite1.AE.10(Fe,Ni)
โ“˜Tetrataenite1.AE.10FeNi
โ“˜Osbornite1.BC.15TiN
โ“˜Schreibersite1.BD.05(Fe,Ni)3P
Group 2 - Sulphides and Sulfosalts
โ“˜Heazlewoodite2.BB.05Ni3S2
โ“˜Pentlandite2.BB.15(NixFey)ฮฃ9S8
โ“˜Pyrrhotite2.CC.10Fe1-xS
โ“˜Troilite2.CC.10FeS
โ“˜Alabandite2.CD.10MnS
โ“˜Daubrรฉelite2.DA.05Fe2+Cr3+2S4
Group 4 - Oxides and Hydroxides
โ“˜Chromite4.BB.05Fe2+Cr3+2O4
โ“˜Magnetite4.BB.05Fe2+Fe3+2O4
โ“˜Spinel4.BB.05MgAl2O4
โ“˜Armalcolite4.CB.15(Mg,Fe2+)Ti2O5
โ“˜Grossite4.CC.15CaAl4O7
โ“˜Perovskite4.CC.30CaTiO3
โ“˜Hibonite4.CC.45CaAl12O19
โ“˜Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
โ“˜Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
โ“˜Forsterite9.AC.05Mg2SiO4
โ“˜Gehlenite9.BB.10Ca2Al[AlSiO7]
โ“˜Enstatite9.DA.05Mg2Si2O6
โ“˜Pigeonite9.DA.10(CaxMgyFez)(Mgy1Fez1)Si2O6
โ“˜Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
โ“˜Diopside9.DA.15CaMgSi2O6
โ“˜Esseneite9.DA.15CaFe3+[AlSiO6]
โ“˜Augite
var. Fassaite		9.DA.15(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
โ“˜Kushiroite (TL)9.DA.15CaAlAlSiO6
โ“˜Anorthite9.FA.35Ca(Al2Si2O8)
Unclassified
โ“˜'Fayalite-Forsterite Series'-
โ“˜'Silica'-
โ“˜'Plessite'-
โ“˜'Melilite Group'-Ca2M(XSiO7)

List of minerals for each chemical element

CCarbon
Cโ“˜ DolomiteCaMg(CO3)2
NNitrogen
Nโ“˜ OsborniteTiN
OOxygen
Oโ“˜ AnorthiteCa(Al2Si2O8)
Oโ“˜ Armalcolite(Mg,Fe2+)Ti2O5
Oโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oโ“˜ ChromiteFe2+Cr23+O4
Oโ“˜ DiopsideCaMgSi2O6
Oโ“˜ DolomiteCaMg(CO3)2
Oโ“˜ EnstatiteMg2Si2O6
Oโ“˜ EsseneiteCaFe3+[AlSiO6]
Oโ“˜ ForsteriteMg2SiO4
Oโ“˜ GehleniteCa2Al[AlSiO7]
Oโ“˜ GrossiteCaAl4O7
Oโ“˜ HiboniteCaAl12O19
Oโ“˜ MagnetiteFe2+Fe23+O4
Oโ“˜ PerovskiteCaTiO3
Oโ“˜ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oโ“˜ RutileTiO2
Oโ“˜ SpinelMgAl2O4
Oโ“˜ Fayalite-Forsterite Series
Oโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Oโ“˜ Melilite GroupCa2M(XSiO7)
Oโ“˜ KushiroiteCaAlAlSiO6
NaSodium
Naโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
MgMagnesium
Mgโ“˜ Armalcolite(Mg,Fe2+)Ti2O5
Mgโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgโ“˜ DiopsideCaMgSi2O6
Mgโ“˜ DolomiteCaMg(CO3)2
Mgโ“˜ EnstatiteMg2Si2O6
Mgโ“˜ ForsteriteMg2SiO4
Mgโ“˜ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgโ“˜ SpinelMgAl2O4
Mgโ“˜ Fayalite-Forsterite Series
Mgโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
AlAluminium
Alโ“˜ AnorthiteCa(Al2Si2O8)
Alโ“˜ EsseneiteCaFe3+[AlSiO6]
Alโ“˜ GehleniteCa2Al[AlSiO7]
Alโ“˜ GrossiteCaAl4O7
Alโ“˜ HiboniteCaAl12O19
Alโ“˜ SpinelMgAl2O4
Alโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Alโ“˜ KushiroiteCaAlAlSiO6
SiSilicon
Siโ“˜ AnorthiteCa(Al2Si2O8)
Siโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siโ“˜ DiopsideCaMgSi2O6
Siโ“˜ EnstatiteMg2Si2O6
Siโ“˜ EsseneiteCaFe3+[AlSiO6]
Siโ“˜ ForsteriteMg2SiO4
Siโ“˜ GehleniteCa2Al[AlSiO7]
Siโ“˜ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siโ“˜ Fayalite-Forsterite Series
Siโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Siโ“˜ Melilite GroupCa2M(XSiO7)
Siโ“˜ KushiroiteCaAlAlSiO6
PPhosphorus
Pโ“˜ Schreibersite(Fe,Ni)3P
SSulfur
Sโ“˜ AlabanditeMnS
Sโ“˜ DaubrรฉeliteFe2+Cr23+S4
Sโ“˜ HeazlewooditeNi3S2
Sโ“˜ Pentlandite(NixFey)ฮฃ9S8
Sโ“˜ PyrrhotiteFe1-xS
Sโ“˜ TroiliteFeS
CaCalcium
Caโ“˜ AnorthiteCa(Al2Si2O8)
Caโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caโ“˜ DiopsideCaMgSi2O6
Caโ“˜ DolomiteCaMg(CO3)2
Caโ“˜ EsseneiteCaFe3+[AlSiO6]
Caโ“˜ GehleniteCa2Al[AlSiO7]
Caโ“˜ GrossiteCaAl4O7
Caโ“˜ HiboniteCaAl12O19
Caโ“˜ PerovskiteCaTiO3
Caโ“˜ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Caโ“˜ Melilite GroupCa2M(XSiO7)
Caโ“˜ KushiroiteCaAlAlSiO6
TiTitanium
Tiโ“˜ Armalcolite(Mg,Fe2+)Ti2O5
Tiโ“˜ OsborniteTiN
Tiโ“˜ PerovskiteCaTiO3
Tiโ“˜ RutileTiO2
Tiโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
CrChromium
Crโ“˜ ChromiteFe2+Cr23+O4
Crโ“˜ DaubrรฉeliteFe2+Cr23+S4
MnManganese
Mnโ“˜ AlabanditeMnS
FeIron
Feโ“˜ Armalcolite(Mg,Fe2+)Ti2O5
Feโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feโ“˜ ChromiteFe2+Cr23+O4
Feโ“˜ DaubrรฉeliteFe2+Cr23+S4
Feโ“˜ EsseneiteCaFe3+[AlSiO6]
Feโ“˜ Native IronFe
Feโ“˜ Native Iron var. Kamacite(Fe,Ni)
Feโ“˜ MagnetiteFe2+Fe23+O4
Feโ“˜ Pentlandite(NixFey)ฮฃ9S8
Feโ“˜ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feโ“˜ PyrrhotiteFe1-xS
Feโ“˜ Schreibersite(Fe,Ni)3P
Feโ“˜ Taenite(Fe,Ni)
Feโ“˜ TetrataeniteFeNi
Feโ“˜ TroiliteFeS
Feโ“˜ Fayalite-Forsterite Series
Feโ“˜ Augite var. Fassaite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
NiNickel
Niโ“˜ HeazlewooditeNi3S2
Niโ“˜ Native Iron var. Kamacite(Fe,Ni)
Niโ“˜ Pentlandite(NixFey)ฮฃ9S8
Niโ“˜ Schreibersite(Fe,Ni)3P
Niโ“˜ Taenite(Fe,Ni)
Niโ“˜ TetrataeniteFeNi

Other Regions, Features and Areas containing this locality

Antarctic MeteoritesGroup of Meteorite Fall Locations
Antarctic PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Michael K. Weisberg, Martin Prinz & Cherukupalli E. Nehru (Dec 1990). The Bencubbin chondrite breccia and its relationship to CR chondrites and the ALH 85085 meteorite. Meteoritics 25, (#4), 269-279.
www.lpi.ursa.edu (n.d.) http://www.lpi.ursa.edu/meteor/metbull.php
Edward R. D. Scott (1988). A New Kind of Primitive Chondrite: Allan Hills 85085. Abstracts of the Lunar and Planetary Science Conference, vol. 19, p. 1049.
Monica M. Grady & C. T. Pillinger (1990). ALH 85085 - Nitrogen isotope analysis of a highly unusual primitive chondrite. Earth and Planetary Science Letters 97, #1-2, 29-40.
Kimura, M., Mikouchi, T., Suzuki, A., Miyahara, M., Ohtani, E., Goresy, A. E. (2009) Kushiroite, CaAlAlSiO6: A new mineral of the pyroxene group from the ALH 85085 CH chondrite, and its genetic significance in refractory inclusions. American Mineralogist, 94 (10) 1479-1482 doi:10.2138/am.2009.3242
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