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Lake Labyrinth meteorite, Central North, South Australia, Australiai
Regional Level Types
Lake Labyrinth meteoriteMeteorite Fall Location
Central North- not defined -
South AustraliaState
AustraliaCountry

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Key
Latitude & Longitude (WGS84):
30° 31' 59'' South , 134° 45' 0'' East
Latitude & Longitude (decimal):
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:


Ordinary chondrite, xenolithic (LL6; S4)
Find,1924; 25.85 kg

Small fragments of a freshly fallen meteoritic stone were found in late February, perhaps from a February 4th fall. In 1934 more careful work resulted in the recovery of most of the presently known mass. Bulk iron (20.46 wt%), olivine (Fa29.4) and orthopyroxene (Fs23.6) compositions are all characteristic of the LL-group of ordinary chondrites. The meteorite is characterized by its prominent shock veins and recrystallized xenolithic fragments. Accessory chromite and several additional minor opaques are also present.

A cosmic ray exposure age of ~13.7 Ma is reported.

The main mass is with the Australian National University in Canberra. Moderate-sized specimens are also at London's Natural History Museum [3.143 kg] and Arizona State University's Center for Meteorite Studies [2.3469 kg in 2016].

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
Eromanga Basin, AustraliaBasin
Gawler Craton, South Australia, AustraliaCraton

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 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:

Chromite
Formula: Fe2+Cr3+2O4
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
'Fayalite-Forsterite Series'
Description: Xenolithic olivines have been reequilibrated with matrix olivines (Binns, 1968).
Reference: Binns, R. A. (1968) Cognate xenoliths in chondritic meteorites: Examples in Mezo-Madaras and Ghubara. Geochim. Cosmochim. Acta 32, 299-317.; Mason, B., 1974. Notes on Australian meteorites. Records of the Australian Museum 29(5): 169–186, plates 6–7. (May 1974).
Ilmenite
Formula: Fe2+TiO3
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Iron
Formula: Fe
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Iron var: Kamacite
Formula: (Fe,Ni)
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Isocubanite
Formula: CuFe2S3
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Mackinawite
Formula: (Fe,Ni)9S8
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
'Orthopyroxene Subgroup'
Reference: Mason, B., 1974. Notes on Australian meteorites. Records of the Australian Museum 29(5): 169–186, plates 6–7. (May 1974).
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Taenite
Formula: (Fe,Ni)
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Troilite
Formula: FeS
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Taenite1.AE.10(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Isocubanite2.CB.55bCuFe2S3
Mackinawite2.CC.25(Fe,Ni)9S8
Pentlandite2.BB.15(FexNiy)Σ9S8
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Ilmenite4.CB.05Fe2+TiO3
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'Orthopyroxene Subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Taenite1.1.11.2(Fe,Ni)
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Mackinawite2.7.2.1(Fe,Ni)9S8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Troilite2.8.9.1FeS
AmBnXp, with (m+n):p = 1:1
Isocubanite2.9.13.3CuFe2S3
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Unclassified Minerals, Mixtures, etc.
'Fayalite-Forsterite Series'-
Iron-Fe
'Orthopyroxene Subgroup'-

List of minerals for each chemical element

OOxygen
O ChromiteFe2+Cr23+O4
O IlmeniteFe2+TiO3
SSulfur
S IsocubaniteCuFe2S3
S Mackinawite(Fe,Ni)9S8
S Pentlandite(FexNiy)Σ9S8
S TroiliteFeS
TiTitanium
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4
Fe IlmeniteFe2+TiO3
Fe IsocubaniteCuFe2S3
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Mackinawite(Fe,Ni)9S8
Fe Pentlandite(FexNiy)Σ9S8
Fe Taenite(Fe,Ni)
Fe TroiliteFeS
Fe IronFe
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Mackinawite(Fe,Ni)9S8
Ni Pentlandite(FexNiy)Σ9S8
Ni Taenite(Fe,Ni)
CuCopper
Cu IsocubaniteCuFe2S3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Binns, R. A. (1968) Cognate xenoliths in chondritic meteorites: Examples in Mezo-Madaras and Ghubara. Geochim. Cosmochim. Acta 32, 299-317.
Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Mason, B., 1974. Notes on Australian meteorites. Records of the Australian Museum 29(5): 169–186, plates 6–7. (May 1974).
Stöffler, D., Keil, K. & Scott, E.R.D. (1991). Shock metamorphism of ordinary chondrites. Geochimica et Cosmochimica Acta 55: 3845-3867. (Sept 1991).
Graf, T. & Marti, K. (1994) Collisional records in LL-chondrites. Meteoritics 29 (5): 643–648. (Sept 1994).
Graham, A.L., Bevan, A.W.R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.
Grady, M.M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.

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