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Aarhus meteorite, Aarhus, Central Denmark Region, Denmarki
Regional Level Types
Aarhus meteoriteMeteorite Fall Location
AarhusMunicipality
Central Denmark RegionRegion
DenmarkCountry

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Name in Danish:Aarhus-meteoritten, Aarhus kommune, Region Midtjylland, Danmark
Latitude & Longitude (WGS84): 56° 10' 59'' North , 10° 13' 59'' East
Latitude & Longitude (decimal): 56.18333,10.23333
GeoHash:G#: u1zr8gget
Locality type:Meteorite Fall Location
Meteorite Class:H6 chondrite meteorite
Meteoritical Society Class:H6
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Århus237,551 (2016)3.3km
Lystrup9,107 (2017)6.0km
Hjortshøj2,515 (2017)7.5km
Stavtrup3,519 (2012)9.1km
Trige2,475 (2017)9.3km


Ordinary chondrite, veined and brecciated (H6,br)
Fell, 2 October 1951; 720 g, 2 stones

During the early twilight a bolide appeared over Germany and traveled northwardly for ~300 km before breaking apart at ~31 km altitude. The bolide was seen over all of Denmark and much of southern Norway and Sweden as well as Germany. Detonations were heard and an ~300 g stone was seen to fall near Aarhus. This stone (Aarhus 1) broke into 4 pieces; a slightly larger and intact 402 g stone was recovered a few days later. Both stones were largely covered by fusion crust and are texturally and, presumably, compositionally similar, but only the first stone has been thoroughly sectioned and studied. Aarhus is mineralogically dominated by olivine and orthopyroxene (~75 wt%) accompanied by iron sulfide(s) and Fe-Ni metal ( ~20 wt%). Pyroxene appears to be somewhat more abundant than olivine, but olivine tends to be found more as individual, somewhat larger grains. Accessory silicates, phosphate, and opaques are also found. Chondrules were readily observed. Total iron (~26 wt%) and olivine composition (Fa18) are indicative of H chondrites. Moderate-sized olivine and orthopyroxene grains and crystals have suggested an H6 petrographic type. However, the presence of at least 4 species-and-varieties of pyroxene and 4 sulfides (troilite, pentlandite, isocubanite, and at least one additional unidentified phase) hint at complexities not always found in the normal 'equilibrated' H6 ordinary chondrite. Extending earlier work by Buchwald and others, a number of opaques were reported by Ramdohr (1973).

The unusual friability of the meteoritic masses, the presence of maskelynite glass in addition to the small plagioclase (oligoclase) grains, occasional orthopyroxene with higher iron content ('hypersthene'), plus the pervasive presence of small fragmented crystals and shock veins with Fe-Ni and/or FeS blebs are all indicative of significant preterrestrial shock.

Aarhus is one of 362 witnessed H chondrite falls listed at the Meteoritical Bulletin Database. Exactly 94 of them have been labelled as exactly type H6, the most equilibrated (early 2016). As such the H6 ordinary chondrite falls represent approximately 9% of all confirmed meteorite falls.

Most of the mass (520 g) has been stored at the University Geological Museum in Copenhagen.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
ScandinaviaRegion

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-Anorthite Series'
Description: Albitic plagioclase (oligoclase) found as small colorless interstitial grains and very occasionally within chondrules.
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: mit chemical analysis by Me Mouritzen. Munksgaard. 24 pages.; Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
'Clinopyroxene Subgroup'
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
Copper
Formula: Cu
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
Diopside
Formula: CaMgSi2O6
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
'Fayalite-Forsterite Series'
Description: Olivine composition (Fa18).
Reference: Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27 (9): 1011-1023. (Sept 1963).; Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson. ; Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
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: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: mit chemical analysis by Me Mouritzen. Munksgaard. 24 pages.; 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: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: mit chemical analysis by Me Mouritzen. Munksgaard. 24 pages.; 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.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
Magnetite
Formula: Fe2+Fe3+2O4
Description: Magnetite is found within the fusion crust.
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
'Maskelynite'
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
'Orthopyroxene Subgroup'
Description: Original classification (olivine-bronzite chondrite) plus petrologic type 6 (equilibration) indicates presence of orthopyroxene.
Reference: Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson. ; Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
'Plessite'
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Schreibersite
Formula: (Fe,Ni)3P
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Spinel
Formula: MgAl2O4
Description: As tiny grains.
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Taenite
Formula: (Fe,Ni)
Description: Often with kamacite. Occasional small masses with Ni > 50 wt% Ni reported by Callisen & Pauly (1963) may, in fact be tetrataenite!?
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: Chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
Troilite
Formula: FeS
Description: Troilite, the dominant iron sulfide is occasionally accompanied by small amounts of pentlandite and other very tiny sulfides.
Reference: Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: mit chemical analysis by Me Mouritzen. Munksgaard. 24 pages.; 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
Copper1.AA.05Cu
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Schreibersite1.BD.05(Fe,Ni)3P
Taenite1.AE.10(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Isocubanite2.CB.55bCuFe2S3
Pentlandite2.BB.15(FexNiy)Σ9S8
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Spinel4.BB.05MgAl2O4
Group 9 - Silicates
Diopside9.DA.15CaMgSi2O6
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Limonite'-(Fe,O,OH,H2O)
'Maskelynite'-
'Orthopyroxene Subgroup'-
'Plessite'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Schreibersite1.1.21.2(Fe,Ni)3P
Taenite1.1.11.2(Fe,Ni)
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
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
Magnetite7.2.2.3Fe2+Fe3+2O4
Spinel7.2.1.1MgAl2O4
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
Iron-Fe
'Limonite'-(Fe,O,OH,H2O)
'Maskelynite'-
'Orthopyroxene Subgroup'-
'Plessite'-

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
OOxygen
O ChromiteFe2+Cr23+O4
O IlmeniteFe2+TiO3
O DiopsideCaMgSi2O6
O Limonite(Fe,O,OH,H2O)
O MagnetiteFe2+Fe23+O4
O SpinelMgAl2O4
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg SpinelMgAl2O4
AlAluminium
Al SpinelMgAl2O4
SiSilicon
Si DiopsideCaMgSi2O6
PPhosphorus
P Schreibersite(Fe,Ni)3P
SSulfur
S TroiliteFeS
S IsocubaniteCuFe2S3
S Pentlandite(FexNiy)Σ9S8
CaCalcium
Ca DiopsideCaMgSi2O6
TiTitanium
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe Iron (var: Kamacite)(Fe,Ni)
Fe ChromiteFe2+Cr23+O4
Fe TroiliteFeS
Fe IlmeniteFe2+TiO3
Fe IsocubaniteCuFe2S3
Fe Schreibersite(Fe,Ni)3P
Fe Taenite(Fe,Ni)
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(FexNiy)Σ9S8
Fe IronFe
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Schreibersite(Fe,Ni)3P
Ni Taenite(Fe,Ni)
Ni Pentlandite(FexNiy)Σ9S8
CuCopper
Cu CopperCu
Cu IsocubaniteCuFe2S3

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cenozoic
0 - 66 Ma



ID: 3185279
Cenozoic sedimentary rocks

Age: Cenozoic (0 - 66 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Eocene
33.9 - 56 Ma



ID: 3136364
Eocene undifferentiated

Age: Eocene (33.9 - 56 Ma)

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Wiik, H.B. (1956) The chemical composition of some stony meteorites: Geochimica et Cosmochimica Acta 8(5): 279-289.
Krinov, E. L. - Editor (1958) The Meteoritical Bulletin, No. 8. Moscow.
Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27 (9): 1011-1023. (Sept 1963).
Callisen, K. & Pauly, H. (1963) The Aarhus Meteorites: with chemical analysis by Me Mouritzen. Munksgaard. 24 pages.
Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
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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