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Hökmark meteorite, Skellefte mining district, Skellefteå, Västerbotten, Sweden

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Latitude & Longitude (WGS84): 64° 25' 60'' North , 21° 12' 0'' East
Latitude & Longitude (decimal): 64.43333,21.20000
GeoHash:G#: u7rnd3tr7
Locality type:Meteorite Fall Location
Meteorite Class:L4 chondrite meteorite
Meteoritical Society Class:L4
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:Dfc : Subarctic climate


Ordinary Chondrite, Low-Iron (L4)
Fell, 9 June 1954; 305.5 g

After falling very late on a long summer day a small meteorite (108.8 g) was immediately dug up with a somewhat larger fragment (196.7 g) found on the following day. These two meteorite fragments were purchased for 300 Swedish crowns each for Sweden's Museum of Natural History. The sounds of the arriving meteorite had been heard over a 100 km wide region and apparently delivered a number of smaller stones which were not collected. Olivine composition (Fa24), the presence of 'bronzite' pyroxene, and bulk iron (21 wt%) are all indicative of Hökmark's membership in the L (low bulk Fe) chondrite geochemical group. However, as a small 'ordinary chondrite' Hökmark has not been studied in great detail. The sounds of the incoming approach have, however, been reported in surprising detail for such an old fall [Cf. Liszka (2008)].

Hökmark is one of 9 witnessed Swedish falls listed at the Meteoritical Bulletin Database (as of October 2015). All 9 falls are ordinary chondrites, but only Hökmark and Ekeby have been classified as exactly 'L4' chondrites. Both specimens of Hökmark have been kept at the Museum of Natural History in Stockholm (Naturhistoriska riksmuseet).

Regions containing this locality

Scandinavia

Region - 2,002 mineral species & varietal names listed

Västerbotten Province, Sweden

Province - 253 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

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:

'Fayalite-Forsterite Series'
Description: Composition Fa24 and Fa23.9 according to Mason (1963) and Rubin (1990), respectively.
Reference: Keil, K. & Fredriksson, K. (1964) The Fe.Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964).; Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27: 1011-1023. ; Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.; Rubin, A. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.
Iron
Formula: Fe
Reference: Rubin, A. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.
Iron var: Kamacite
Formula: (Fe,Ni)
Reference: Rubin, A. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.
'L4 chondrite meteorite'
Reference: Meteoritical Society Database
'Orthopyroxene Subgroup'
Reference: Keil, K. & Fredriksson, K. (1964) The Fe.Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964).
'Pyroxene Group'
Description: Pyroxene appears to be mostly Ca-poor orthopyroxene, but Ca-poor and/or Ca-rich clinopyroxenes are possible (if not expected!).
Reference: Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Iron'1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
L4 chondrite meteorite-
Orthopyroxene Subgroup-
Pyroxene Group-

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)
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
Iron-Fe
'L4 chondrite meteorite'-
'Orthopyroxene Subgroup'-
'Pyroxene Group'-

List of minerals for each chemical element

FeIron
Fe IronFe
Fe Iron (var: Kamacite)(Fe,Ni)
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)

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

Paleoproterozoic
1600 - 2500 Ma



ID: 3158637
Proterozoic I meta-sandstone

Age: Proterozoic (1600 - 2500 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{meta-sandstone}, Minor{mica schist,gneiss,amphibolite}

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3185665
Paleoproterozoic sedimentary rocks

Age: Proterozoic (1600 - 2500 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]

Paleoproterozoic
1600 - 2500 Ma



ID: 650319
Sedimentary; Slope and deep water

Age: Proterozoic (1600 - 2500 Ma)

Description: Northern Europe, Svecofennian and Lapland-Kola orogens

Comments: Orogen, fold-thrust belt, folded region; Koistinen et al., 2001; Sigmond, 2002; Solli, unpublished compilation, 2007-08; Bergman et al., unpublished revisions, 2007-08

Lithology: Greywacke, phyllite, mica schist, meta-arkose, graphitic schist, paragneiss, conglomerate, amphibolite

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

Orosirian
1800 - 2050 Ma



ID: 2631329

Age: Orosirian (1800 - 2050 Ma)

Description: Svecokarelian orogen; Bothnia-Skellefteå lithotectonic unit

Lithology: Metagreywacke, mica schist, graphite- and/or sulphide-bearing schist, paragneiss, migmatite, quartzite, amphibolite

Reference: Bergman, S., M.B. Sephens, J. Andersson, B. Kathol, T. Bergman. Sveriges berggrund, skala 1:1 miljon. Sveriges geologiska undersökning K 423. [95]

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)
Krinov, E.L. (1961) Meteoritical Bulletin, no.20. Moscow.
Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27: 1011-1023.
Keil, K. & Fredriksson, K. (1964) The Fe.Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964).
Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.
Rubin, A. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.
Grady, M.M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.
Liszka, L. (2008) Listening to Meteors: Infrasonic Observations of Meteors in Northern sweden. IRF Scientific Report 295. (April 2008)

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