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Bencubbin meteorite, Bencubbin, Mount Marshall Shire, Western Australia, Australiai
Regional Level Types
Bencubbin meteoriteMeteorite Fall Location
Bencubbin- not defined -
Mount Marshall ShireShire
Western AustraliaState
AustraliaCountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
30° 45' South , 117° 47' East
Latitude & Longitude (decimal):
Meteorite Class:
Meteoritical Society Class:
Nearest Settlements:
PlacePopulationDistance
Bencubbin161 (2013)10.5km
Gabbin109 (2013)11.5km
Koorda260 (2012)29.4km
Beacon181 (2013)34.4km
Trayning123 (2013)40.8km


This meteorite was found in 1930, almost completely buried in newly cleared land, on Holland and Breakill's wheat farm (Block 2557), 15 kilometres north-west of Bencubbin.

It is pyramid-shaped, 30cm x 20cm at its base, 18cm x 13cm at the top, 23cm deep, 54kg and a specific gravity of 5.32.

The surface was covered completely by an oxidised layer, which also penetrated the meteorite along the surfaces of metallic masses. Under the layer, its colour is greyish to brownish black, with regular enstatite, coloured greyish white as single crystals 5-10mm in diameter and often multiply twinned. There was also dark olive coloured olivine crystals the same size as the enstatite.

Mineral composition is nickel iron 47.8%, troilite 1.6%, enstatite 23.1%, olivine 20.2%, anorthite 1% and chromite 0.2%.

The meteorite has been classified as a stony-iron or mesosiderite,but eventually became a Carbonaceous Chondrite Prototype (CBa) largely because of its silicate composition and its very unusual oxygen isotope ratios.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


17 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:

Anhydrite
Formula: CaSO4
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Anorthite
Formula: Ca(Al2Si2O8)
Reference: A New Siderolite from Bencubbin, Western Australia; E.S. Simpson and D.G. Murray; Mineralogical Magazine, Mar 1932, V23, pp33-37
Calcite
Formula: CaCO3
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Chromite
Formula: Fe2+Cr3+2O4
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Clinoenstatite
Formula: MgSiO3
Reference: Horton E. Newsom & Michael J. Drake (1977). Metal Fractionation Patterns in the Bencubbin Meteorite. Meteoritics 12, p. 326.
Daubréelite
Formula: Fe2+Cr3+2S4
Reference: Michael K. Weisberg, Martin Prinz, Robert N. Clayton, Toshiko K. Mayeda, Naoji Sugiura, Shigeo Zashu & Mitsuru Ebihara (2001). A new metal-rich chondrite grouplet. Meteoritics & Planetary Science 36, #3, 401-418.
Diamond
Formula: C
Reference: S. Mostefaoui, Ahmed El Goresy, P. Hoppe, P. Gillet & U. Ott (2001). In-Situ Discovery of Diamond in Bencubbin: Evidence from Raman Spectroscopy and Cathodoluminescence. Meteoritics & Planetary Science 36, Supplement, p. A141-142.
Enstatite
Formula: Mg2Si2O6
Reference: A New Siderolite from Bencubbin, Western Australia; E.S. Simpson and D.G. Murray; Mineralogical Magazine, Mar 1932, V23, pp33-37
'Fayalite-Forsterite Series'
Reference: A New Siderolite from Bencubbin, Western Australia; E.S. Simpson and D.G. Murray; Mineralogical Magazine, Mar 1932, V23, pp33-37
Ferrihydrite
Formula: Fe3+10O14(OH)2
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Graphite
Formula: C
Reference: S. Mostefaoui, Ahmed El Goresy, P. Hoppe, P. Gillet & U. Ott (2001). In-Situ Discovery of Diamond in Bencubbin: Evidence from Raman Spectroscopy and Cathodoluminescence. Meteoritics & Planetary Science 36, Supplement, p. A141-142.
Grossular
Formula: Ca3Al2(SiO4)3
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Hematite
Formula: Fe2O3
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Iron
Formula: Fe
Reference: Alexander N. Krot, Anders Meibom, Michael K. Weisberg & Klaus Keil (2002). Invited Review: The CR chondrite clan: Implications for early solar system processes. Meteoritics & Planetary Science 37, #11, 1451-1490.
Iron var. Kamacite
Formula: (Fe,Ni)
Reference: Alexander N. Krot, Anders Meibom, Michael K. Weisberg & Klaus Keil (2002). Invited Review: The CR chondrite clan: Implications for early solar system processes. Meteoritics & Planetary Science 37, #11, 1451-1490.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
'Melilite Group'
Formula: Ca2M(XSiO7)
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Pyrrhotite
Formula: Fe1-xS
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Spinel
Formula: MgAl2O4
Reference: D. J. Barber & R. Hutchinson (1991). The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.
Troilite
Formula: FeS
Reference: A New Siderolite from Bencubbin, Western Australia; E.S. Simpson and D.G. Murray; Mineralogical Magazine, Mar 1932, V23, pp33-37

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Graphite1.CB.05aC
Iron1.AE.05Fe
var. Kamacite1.AE.05(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Daubréelite2.DA.05Fe2+Cr3+2S4
Pyrrhotite2.CC.10Fe1-xS
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Ferrihydrite4.FE.35Fe3+10O14(OH)2
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Group 9 - Silicates
Anorthite9.FA.35Ca(Al2Si2O8)
Clinoenstatite9.DA.10MgSiO3
Enstatite9.DA.05Mg2Si2O6
Grossular9.AD.25Ca3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Melilite Group'-Ca2M(XSiO7)
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
H FerrihydriteFe103+O14(OH)2
CCarbon
C DiamondC
C CalciteCaCO3
C GraphiteC
OOxygen
O EnstatiteMg2Si2O6
O AnorthiteCa(Al2Si2O8)
O AnhydriteCaSO4
O CalciteCaCO3
O ChromiteFe2+Cr23+O4
O FerrihydriteFe103+O14(OH)2
O GrossularCa3Al2(SiO4)3
O HematiteFe2O3
O Melilite GroupCa2M(XSiO7)
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O SpinelMgAl2O4
O ClinoenstatiteMgSiO3
O MagnetiteFe2+Fe23+O4
NaSodium
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg EnstatiteMg2Si2O6
Mg SpinelMgAl2O4
Mg ClinoenstatiteMgSiO3
AlAluminium
Al AnorthiteCa(Al2Si2O8)
Al GrossularCa3Al2(SiO4)3
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al SpinelMgAl2O4
SiSilicon
Si EnstatiteMg2Si2O6
Si AnorthiteCa(Al2Si2O8)
Si GrossularCa3Al2(SiO4)3
Si Melilite GroupCa2M(XSiO7)
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si ClinoenstatiteMgSiO3
SSulfur
S TroiliteFeS
S AnhydriteCaSO4
S PyrrhotiteFe1-xS
S DaubréeliteFe2+Cr23+S4
CaCalcium
Ca AnorthiteCa(Al2Si2O8)
Ca AnhydriteCaSO4
Ca CalciteCaCO3
Ca GrossularCa3Al2(SiO4)3
Ca Melilite GroupCa2M(XSiO7)
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr DaubréeliteFe2+Cr23+S4
FeIron
Fe TroiliteFeS
Fe ChromiteFe2+Cr23+O4
Fe FerrihydriteFe103+O14(OH)2
Fe HematiteFe2O3
Fe PyrrhotiteFe1-xS
Fe Iron var. Kamacite(Fe,Ni)
Fe DaubréeliteFe2+Cr23+S4
Fe MagnetiteFe2+Fe23+O4
Fe IronFe
NiNickel
Ni Iron var. Kamacite(Fe,Ni)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Simpson, E.S., Murray, D.G. (1932): A New Siderolite from Bencubbin, Western Australia, Mineralogical Magazine (March 1932): 23: 33-37.
Michael K. Weisberg, Martin Prinz & Cherukupalli Nehru (Dec 1990). The Bencubbin chondrite breccia and its relationship to CR chondrites and the ALH 85085 meteorite. Meteoritics 25, (#4), 269-279.
D. J. Barber & R. Hutchinson (1991): The Bencubbin stony-iron meteorite breccia - Electron petrography, shock-history and affinities of a 'carbonaceous chondrite' clast. Meteoritics 26, 83-95.

Other Regions, Features and Areas containing this locality

Australia
Australian 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.
 
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