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Bjurböle meteorite, Bjurböle, Porvoo, Southern Finland Region, Finland

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Latitude & Longitude (WGS84): 60° 23' 59'' North , 25° 47' 59'' East
Latitude & Longitude (decimal): 60.40000,25.80000
GeoHash:G#: uddre56zx
Locality type:Meteorite Fall Location
Meteorite Class:L/LL4 chondrite meteorite
Meteoritical Society Class:L/LL4
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:Dfb : Warm-summer humid continental climate


Ordinary chondrite (L/LL4; S1; W0)
Fell, 12 March 1899, 22:30 hrs; 330 kg

A single stone fell through sea-ice and broke into fragments with one large fragment of 80 kg and many smaller pieces. The recovered portions of the meteorite are unusually friable and consist primarily of chondrules and metal grains. In thin sections chondrules are well defined and, along with the much less abundant Fe-Ni metal, are set within a very fine-grained matrix. Chondrule types are varied, but radial pyroxene (RP) and barred olivine (BO) chondrules dominate. Bjurböle has received less attention than some of the even less equilibrated type 3.0—3.9 unequilibrated ordinary chondrites, but a careful reading of the literature reveals a surprising variety of textures, phases, and enigmas.

Bjurböle is the most massive of those 20 meteorites classified exactly as 'L/LL4' chondrites and is one of only three witnessed L/LL4 chondrite falls listed by The Meteoritical Bulletin Database (January 2016). Only 11 total L/LL falls of all petrologic types have been witnessed [only ~1% of witnessed meteorite falls]. Whether L/LL meteorites are merely statistical oddities due to imperfect measurements or classification criteria or whether they are actually derived from a different original parent body (OPB) than the putative OPBs of the L and LL chondrites is not known.

The main mass has been at the University of Helsinki with 215 kg remaining as of 2000.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 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
Formula: Na(AlSi3O8)
Description: Albite sensu strictu (1 grain)
Reference: Kovach, H.C. & Jones R.H. (2010) Feldspar in types 4-6 ordinary chondrites: Metamorphic processing on the H and LL parent bodies. Meteoritics & Planetary Science 45(2): 246-264. (Feb 2010).; Lewis, J.A., Jones, R.H. & Brearley, A.J. (2016) Alkali feldspar exsolution in ordinary chondrites: Alkali metasomatism, metamorphism, and cooling rates: 47th Lunar and Planetary Conference: 2559.pdf. [Online]; Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).
'Albite-Anorthite Series'
Description: Quite variable plagioclase composition (Ab34.3-91, Av.56.3,n=7) in Kovach & Jones (2010).
Reference: Kovach, H.C. & Jones R.H. (2010) Feldspar in types 4-6 ordinary chondrites: Metamorphic processing on the H and LL parent bodies. Meteoritics & Planetary Science 45(2): 246-264. (Feb 2010).
'Apatite'
Reference: Mold, P., Bull, R.K. & Durrani, S.A. (1982) Plutonium-244 concentrations in chondritic phosphates and their significance in fission-tracks dating of meteorites. IN: Solid State Nuclear Track Detectors: Proceedings of the 11 International Conference Bristol (Fowler, P., ed.): pp. 851-854.
Chlorapatite
Formula: Ca5(PO4)3Cl
Reference: Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).
'Chrome-Spinel (of Dana)'
Description: As euhedral grains in chondrules.
Reference: Wlotzka, F. (2005) Cr spinel and chromite as petrogenetic indicators in ordinary chondrites: Equilibration temperatures of petrologic types 3.7 to 6. Meteoritics & Planetary Science 40 (11) 1673-1702. (Nov 1905).
Chromite
Formula: Fe2+Cr3+2O4
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Wlotzka, F. (2005) Cr spinel and chromite as petrogenetic indicators in ordinary chondrites: Equilibration temperatures of petrologic types 3.7 to 6. Meteoritics & Planetary Science 40 (11) 1673-1702. (Nov 1905).
Copper
Formula: Cu
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Diopside
Formula: CaMgSi2O6
Reference: Kovach, H.C. & Jones R.H. (2010) Feldspar in types 4-6 ordinary chondrites: Metamorphic processing on the H and LL parent bodies. Meteoritics & Planetary Science 45(2): 246-264. (Feb 2010).
'Fayalite-Forsterite Series'
Description: Olivine composition: Fa25 (Mason, 1962), Fa26 (Mason, 1963), Fa26.2 (Rubin, 1990).
Reference: Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27: 1011-1023. (Sept. 1963).; Rubin, A. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.; Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages.ronomical Society A 368 (1922): 3059-3065. (June 2010). ; Lewis, J.A., Jones, R.H. & Brearley, A.J. (2016) Alkali feldspar exsolution in ordinary chondrites: Alkali metasomatism, metamorphism, and cooling rates: 47th Lunar and Planetary Conference: 2559.pdf. [Online]; Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).; Wlotzka, F. (2005) Cr spinel and chromite as petrogenetic indicators in ordinary chondrites: Equilibration temperatures of petrologic types 3.7 to 6. Meteoritics & Planetary Science 40 (11) 1673-1702. (Nov 1905).
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.; 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: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Rubin, A. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.; Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).
Isocubanite
Formula: CuFe2S3
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
'K Feldspar'
Reference: Lewis, J.A., Jones, R.H. & Brearley, A.J. (2016) Alkali feldspar exsolution in ordinary chondrites: Alkali metasomatism, metamorphism, and cooling rates: 47th Lunar and Planetary Conference: 2559.pdf. [Online]
'L/LL4 chondrite meteorite'
Reference: Meteoritical Society Database
Mackinawite
Formula: (Fe,Ni)9S8
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Merrillite
Formula: Ca9NaMg(PO4)7
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 797.; Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).
'Orthopyroxene Subgroup'
Reference: Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27: 1011-1023. (Sept. 1963).
'Plessite'
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
'Pyroxene Group'
Reference: Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages.ronomical Society A 368 (1922): 3059-3065. (June 2010).
Spinel
Formula: MgAl2O4
Reference: Wlotzka, F. (2005) Cr spinel and chromite as petrogenetic indicators in ordinary chondrites: Equilibration temperatures of petrologic types 3.7 to 6. Meteoritics & Planetary Science 40 (11) 1673-1702. (Nov 1905).
Taenite
Formula: (Fe,Ni)
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).
Tetrataenite
Formula: FeNi
Reference: Clarke Jr, R.S. & Scott, E.R.D. (1980) - Tetrataenite—Ordered Fe,Ni, a new mineral in meteorites: American Mineralogist 65 (7 & 8): 624-630. (Jul/Aug 1980).
Troilite
Formula: FeS
Reference: Farrington, O.C. (1915) Meteorites: Their Structure, Composition, and Terrestrial Relations. Chicago. 233 pp.; Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages.ronomical Society A 368 (1922): 3059-3065. (June 2010). ; Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Copper'1.AA.05Cu
'Iron'1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Taenite1.AE.10(Fe,Ni)
Tetrataenite1.AE.10FeNi
Group 2 - Sulphides and Sulfosalts
'Isocubanite'2.CB.55bCuFe2S3
Mackinawite2.CC.25(Fe,Ni)9S8
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
'Chromite'4.BB.05Fe2+Cr3+2O4
'Ilmenite'4.CB.05Fe2+TiO3
Spinel4.BB.05MgAl2O4
Group 8 - Phosphates, Arsenates and Vanadates
'Chlorapatite'8.BN.05Ca5(PO4)3Cl
Merrillite8.AC.45Ca9NaMg(PO4)7
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
'Diopside'9.DA.15CaMgSi2O6
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Chrome-Spinel (of Dana)'-
'Fayalite-Forsterite Series'-
K Feldspar-
L/LL4 chondrite meteorite-
Orthopyroxene Subgroup-
Plessite-
Pyroxene Group-

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)
Taenite1.1.11.2(Fe,Ni)
Tetrataenite1.1.11.3FeNi
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Mackinawite2.7.2.1(Fe,Ni)9S8
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
Spinel7.2.1.1MgAl2O4
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
(AB)3(XO4)2
Merrillite38.3.4.4Ca9NaMg(PO4)7
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Chlorapatite41.8.1.2Ca5(PO4)3Cl
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Chrome-Spinel (of Dana)'-
'Fayalite-Forsterite Series'-
Iron-Fe
'K Feldspar'-
'L/LL4 chondrite meteorite'-
'Orthopyroxene Subgroup'-
'Plessite'-
'Pyroxene Group'-

List of minerals for each chemical element

OOxygen
O AlbiteNa(AlSi3O8)
O ChlorapatiteCa5(PO4)3Cl
O ChromiteFe2+Cr23+O4
O DiopsideCaMgSi2O6
O IlmeniteFe2+TiO3
O MerrilliteCa9NaMg(PO4)7
O SpinelMgAl2O4
NaSodium
Na AlbiteNa(AlSi3O8)
Na MerrilliteCa9NaMg(PO4)7
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg MerrilliteCa9NaMg(PO4)7
Mg SpinelMgAl2O4
AlAluminium
Al AlbiteNa(AlSi3O8)
Al SpinelMgAl2O4
SiSilicon
Si AlbiteNa(AlSi3O8)
Si DiopsideCaMgSi2O6
PPhosphorus
P ChlorapatiteCa5(PO4)3Cl
P MerrilliteCa9NaMg(PO4)7
SSulfur
S IsocubaniteCuFe2S3
S Mackinawite(Fe,Ni)9S8
S TroiliteFeS
ClChlorine
Cl ChlorapatiteCa5(PO4)3Cl
CaCalcium
Ca ChlorapatiteCa5(PO4)3Cl
Ca DiopsideCaMgSi2O6
Ca MerrilliteCa9NaMg(PO4)7
TiTitanium
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4
Fe IlmeniteFe2+TiO3
Fe IronFe
Fe IsocubaniteCuFe2S3
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Mackinawite(Fe,Ni)9S8
Fe Taenite(Fe,Ni)
Fe TetrataeniteFeNi
Fe TroiliteFeS
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Mackinawite(Fe,Ni)9S8
Ni Taenite(Fe,Ni)
Ni TetrataeniteFeNi
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

Statherian
1600 - 1800 Ma



ID: 3185627
Paleoproterozoic intrusive rocks

Age: Statherian (1600 - 1800 Ma)

Comments: Rapakivi Granite

Lithology: Intrusive igneous 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: 638457
Igneous: intrusive; Intrusive: granitic

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: Granite, pegmatite

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]

Paleoproterozoic
1600 - 2500 Ma



ID: 3155356
Proterozoic I granite

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Granite

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)
Farrington, O.C. (1915) Meteorites: Their Structure, Composition, and Terrestrial Relations. Chicago. 233 pp.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 797.
Mason, B. (1962) Classification of Chondritic Meteorites: American Museum Novitates, #2069. 20 pages. (May 1962).
Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27: 1011-1023. (Sept. 1963).
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).
Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites.Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Clarke Jr, R.S. & Scott, E.R.D. (1980) - Tetrataenite—Ordered Fe,Ni, a new mineral in meteorites: American Mineralogist 65 (7 & 8): 624-630. (Jul/Aug 1980).
Mold, P., Bull, R.K. & Durrani, S.A. (1982) Plutonium-244 concentrations in chondritic phosphates and their significance in fission-tracks dating of meteorites. IN: Solid State Nuclear Track Detectors: Proceedings of the 11 International Conference Bristol (Fowler, P., ed.): pp. 851-854.
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.
Wlotzka, F. (2005) Cr spinel and chromite as petrogenetic indicators in ordinary chondrites: Equilibration temperatures of petrologic types 3.7 to 6. Meteoritics & Planetary Science 40 (11) 1673-1702. (Nov 1905).
Kovach, H.C. & Jones R.H. (2010) Feldspar in types 4-6 ordinary chondrites: Metamorphic processing on the H and LL parent bodies. Meteoritics & Planetary Science 45(2): 246-264. (Feb 2010).
Jones, R.H., McCubbin, F.M., Dreeland, L., Guan, Y., Burger, P.V. & Shearer, C.K. (2014) Phosphate minerals in LL chondrites: A record of the action of fluids during metamorphism on ordinary chondrite parent bodies. Geochimica et Cosmochimica Acta 132: pp. 120-140. (May 2014).
Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages.
Lewis, J.A., Jones, R.H. & Brearley, A.J. (2016) Alkali feldspar exsolution in ordinary chondrites: Alkali metasomatism, metamorphism, and cooling rates: 47th Lunar and Planetary Conference: 2559.pdf. [Online]

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