Bencubbin meteorite, Bencubbin, Mount Marshall Shire, Western Australia, Australiai
Regional Level Types | |
---|---|
Bencubbin meteorite | Meteorite Fall Location |
Bencubbin | - not defined - |
Mount Marshall Shire | Shire |
Western Australia | State |
Australia | Country |
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Latitude & Longitude (WGS84):
30° 45' South , 117° 47' East
Latitude & Longitude (decimal):
Locality type:
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
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.
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Standard Detailed Gallery Strunz Chemical ElementsMineral 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 DiagramDetailed 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 | |||
---|---|---|---|
ⓘ | Diamond | 1.CB.10a | C |
ⓘ | Graphite | 1.CB.05a | C |
ⓘ | Iron | 1.AE.05 | Fe |
ⓘ | var. Kamacite | 1.AE.05 | (Fe,Ni) |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Daubréelite | 2.DA.05 | Fe2+Cr3+2S4 |
ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
ⓘ | Troilite | 2.CC.10 | FeS |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
ⓘ | Ferrihydrite | 4.FE.35 | Fe3+10O14(OH)2 |
ⓘ | Hematite | 4.CB.05 | Fe2O3 |
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
ⓘ | Anhydrite | 7.AD.30 | CaSO4 |
Group 9 - Silicates | |||
ⓘ | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
ⓘ | Clinoenstatite | 9.DA.10 | MgSiO3 |
ⓘ | Enstatite | 9.DA.05 | Mg2Si2O6 |
ⓘ | Grossular | 9.AD.25 | Ca3Al2(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
H | Hydrogen | |
---|---|---|
H | ⓘ Ferrihydrite | Fe103+O14(OH)2 |
C | Carbon | |
C | ⓘ Diamond | C |
C | ⓘ Calcite | CaCO3 |
C | ⓘ Graphite | C |
O | Oxygen | |
O | ⓘ Enstatite | Mg2Si2O6 |
O | ⓘ Anorthite | Ca(Al2Si2O8) |
O | ⓘ Anhydrite | CaSO4 |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Chromite | Fe2+Cr23+O4 |
O | ⓘ Ferrihydrite | Fe103+O14(OH)2 |
O | ⓘ Grossular | Ca3Al2(SiO4)3 |
O | ⓘ Hematite | Fe2O3 |
O | ⓘ Melilite Group | Ca2M(XSiO7) |
O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
O | ⓘ Spinel | MgAl2O4 |
O | ⓘ Clinoenstatite | MgSiO3 |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
Na | Sodium | |
Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Mg | Magnesium | |
Mg | ⓘ Enstatite | Mg2Si2O6 |
Mg | ⓘ Spinel | MgAl2O4 |
Mg | ⓘ Clinoenstatite | MgSiO3 |
Al | Aluminium | |
Al | ⓘ Anorthite | Ca(Al2Si2O8) |
Al | ⓘ Grossular | Ca3Al2(SiO4)3 |
Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Al | ⓘ Spinel | MgAl2O4 |
Si | Silicon | |
Si | ⓘ Enstatite | Mg2Si2O6 |
Si | ⓘ Anorthite | Ca(Al2Si2O8) |
Si | ⓘ Grossular | Ca3Al2(SiO4)3 |
Si | ⓘ Melilite Group | Ca2M(XSiO7) |
Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Si | ⓘ Clinoenstatite | MgSiO3 |
S | Sulfur | |
S | ⓘ Troilite | FeS |
S | ⓘ Anhydrite | CaSO4 |
S | ⓘ Pyrrhotite | Fe1-xS |
S | ⓘ Daubréelite | Fe2+Cr23+S4 |
Ca | Calcium | |
Ca | ⓘ Anorthite | Ca(Al2Si2O8) |
Ca | ⓘ Anhydrite | CaSO4 |
Ca | ⓘ Calcite | CaCO3 |
Ca | ⓘ Grossular | Ca3Al2(SiO4)3 |
Ca | ⓘ Melilite Group | Ca2M(XSiO7) |
Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Cr | Chromium | |
Cr | ⓘ Chromite | Fe2+Cr23+O4 |
Cr | ⓘ Daubréelite | Fe2+Cr23+S4 |
Fe | Iron | |
Fe | ⓘ Troilite | FeS |
Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Fe | ⓘ Ferrihydrite | Fe103+O14(OH)2 |
Fe | ⓘ Hematite | Fe2O3 |
Fe | ⓘ Pyrrhotite | Fe1-xS |
Fe | ⓘ Iron var. Kamacite | (Fe,Ni) |
Fe | ⓘ Daubréelite | Fe2+Cr23+S4 |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Iron | Fe |
Ni | Nickel | |
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
- Western Australia
- West Australian ElementCraton
- Yilgarn CratonCraton
Australian PlateTectonic Plate
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Bencubbin meteorite, Bencubbin, Mount Marshall Shire, Western Australia, Australia