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Kesen meteorite, Rikuzen-Takata City, Iwate, Japani
Regional Level Types
Kesen meteoriteMeteorite Fall Location
Rikuzen-Takata CityCity
IwatePrefecture
JapanCountry

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Latitude & Longitude (WGS84): 38° 58' 59'' North , 141° 37' 0'' East
Latitude & Longitude (decimal): 38.98333,141.61667
GeoHash:G#: xnuty8dn7
Locality type:Meteorite Fall Location
Meteorite Class:H4 chondrite meteorite
Meteoritical Society Class:H4
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:Cfa : Humid subtropical climate


Ordinary chondrite, xenolithic (H4; S3)
Fall, 13 June 1850; 135 kg

After thunderous detonations, a single meteoritic stone fell into a self-created created 1.4 m deep crater where it apparently partially broke apart. Several pieces were distribute afterwards. Inspections revealed distinct chondrules and chondrule fragments, often xenolithic, within a brecciated matrix. Compositionally, bulk iron contents (17.6 wt%Fe), equilibrated olivine (Fa17.3±0.2) and nearly equilibrated low Ca-orthopyroxene (Fs14.8±1.2) are characteristic of the H-chondrite geochemical group. Mineralogically the meteorite consists primarily of olivine accompanied by pyroxene with lesser amounts of troilite, Fe-Ni metal, troilite, and feldspathic phases. Accessory chromite and moderately) abundant copper are among the minor phases reported. Level S3 shock is accompanied by veins, xenoliths, and noble gas abundances apparently due to multiple collisional episodes. The major remaining mass retains part of the original fusion crust, but different fragments appear to have experience varying amounts of terrestrial weathering.

A K-Ar age of 4.08 Ga and cosmic ray exposure (CRE) age of ~9.9 Ma have been reported.

Kesen is the 4th most massive of the 51 witnessed meteorite falls classified exactly as 'H4' by the Meteoritical Society (Jan 2017). The main mass (106 kg) has been held at the National Science Museum in Tokyo.

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: Bunch, T.E., Keil, K. & Snetsinger, K.G. (1967) Chromite composition in relation to chemistry and texture of ordinary chondrites. Geochimica et Cosmochimica Acta 31(10): 1569-1582. (Oct 1967).; Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Copper
Formula: Cu
Description: Both Ramdohr (1973) and Rubin (1994) noted copper abundances above the usual trace amounts. Copper sometimes found adjacent to troilite inside Ni-rich Fe-Ni metal.
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994).
'Fayalite-Forsterite Series'
Description: Composition of Olivine [Fa17.3±0.2 mol%], Rubin(1990).
Reference: Ward, H.A. (1893). Preliminary note of a new meteorite from Japan : American Journal of Science (Series 3), vol 45 (266): 153-155. (Feb 1893).; 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). ; Rubin, A.E. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.
'H4 chondrite meteorite'
Reference: Meteoritical Society Database
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)
Description: Kamacite [Ni~7.0±0.3 wt%; Co ~0.46±0.03 wt%] , Rubin(1990).
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Rubin, A.E. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Ward, H.A. (1893). Preliminary note of a new meteorite from Japan : American Journal of Science (Series 3), vol 45 (266): 153-155. (Feb 1893).
'Orthopyroxene Subgroup'
Reference: Ward, H.A. (1893). Preliminary note of a new meteorite from Japan : American Journal of Science (Series 3), vol 45 (266): 153-155. (Feb 1893).; 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).
'Plessite'
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
'Pyroxene Group'
Description: Host Pyroxene [Fs14.8±1.2 mol%] vs. Composition of a xenolithic pyroxene [Fs16.1±1.5 mol%],Scott et al. (1986)
Reference: Scott, E. R. D., Lusby, D., & Keil, K. (1986) Correction to "ubiquitous Brecciation after Metamorphism in Equilibrated Ordinary Chondrites": Lunar and Planetary Science Conference XV, Part 2 : Erratum. (March 1985).
Schreibersite
Formula: (Fe,Ni)3P
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.; Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994).
Tetrataenite
Formula: FeNi
Reference: Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994).
Troilite
Formula: FeS
Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994).

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)
Schreibersite1.BD.05(Fe,Ni)3P
Taenite1.AE.10(Fe,Ni)
Tetrataenite1.AE.10FeNi
Group 2 - Sulphides and Sulfosalts
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
'Chromite'4.BB.05Fe2+Cr3+2O4
'Ilmenite'4.CB.05Fe2+TiO3
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'H4 chondrite meteorite'-
Limonite-(Fe,O,OH,H2O)
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)
Schreibersite1.1.21.2(Fe,Ni)3P
Taenite1.1.11.2(Fe,Ni)
Tetrataenite1.1.11.3FeNi
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Troilite2.8.9.1FeS
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Unclassified Minerals, Rocks, etc.
'Fayalite-Forsterite Series'-
'H4 chondrite meteorite'-
Iron-Fe
'Limonite'-(Fe,O,OH,H2O)
'Orthopyroxene Subgroup'-
'Plessite'-
'Pyroxene Group'-

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
OOxygen
O ChromiteFe2+Cr23+O4
O IlmeniteFe2+TiO3
O Limonite(Fe,O,OH,H2O)
PPhosphorus
P Schreibersite(Fe,Ni)3P
SSulfur
S TroiliteFeS
TiTitanium
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4
Fe IlmeniteFe2+TiO3
Fe IronFe
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Limonite(Fe,O,OH,H2O)
Fe Schreibersite(Fe,Ni)3P
Fe Taenite(Fe,Ni)
Fe TetrataeniteFeNi
Fe TroiliteFeS
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Schreibersite(Fe,Ni)3P
Ni Taenite(Fe,Ni)
Ni TetrataeniteFeNi
CuCopper
Cu CopperCu

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

Late Paleozoic
251.902 - 358.9 Ma



ID: 3186244
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 358.9 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]

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)
Ward, H.A. (1893). Preliminary note of a new meteorite from Japan : American Journal of Science (Series 3), vol 45 (266): 153-155. (Feb 1893).
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).
Bunch, T.E., Keil, K. & Snetsinger, K.G. (1967) Chromite composition in relation to chemistry and texture of ordinary chondrites. Geochimica et Cosmochimica Acta 31(10): 1569-1582. (Oct 1967).
Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Lavrukhina, A. K. (1985) Meteorites with Multi-Stage Irradiation by Galactic Cosmic Rays (Abstract.): Lunar and Planetary Science Conference XVI: 479-480. (March 1985).
Rubin, A.E. (1990) Olivine & Kamacite in Ordinary Chondrites: Intergroup and Intragroup relationships. Geochimica et Cosmochimica Acta 54: 1217-1230.
Scott, E. R. D., Lusby, D., & Keil, K. (1986) Correction to "ubiquitous Brecciation after Metamorphism in Equilibrated Ordinary Chondrites": Lunar and Planetary Science Conference XV, Part 2 : Erratum. (March 1985).
Stöffler, D., Keil, K. & Scott, E.R.D. (1991). Shock metamorphism of ordinary chondrites. Geochimica et Cosmochimica Acta 55: 3845-3867. (Sept 1991).
Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994).
Graf, Th. & Marti, K. (1995) Collisional history of H chondrites. J. Geophys. Res. (Planets) 100, 21247–21263.
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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