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Saint-Séverin meteorite (St-Severin meteorite), Charente, Nouvelle-Aquitaine, Francei
Regional Level Types
Saint-Séverin meteorite (St-Severin meteorite)Meteorite Fall Location
CharenteDepartment
Nouvelle-AquitaineRegion
FranceCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 45° 17' 53'' North , 0° 16' 19'' East
Latitude & Longitude (decimal): 45.29807,0.27213
GeoHash:G#: u001wnq0m
Locality type:Meteorite Fall Location
Meteorite Class:LL6 chondrite meteorite
Meteoritical Society Class:LL6
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Comberanche-et-Épeluche127 (2016)1.7km
Saint-Paul-Lizonne347 (2016)2.1km
Saint-Séverin756 (2016)2.7km
Allemans570 (2016)2.7km
Lusignac193 (2016)3.0km
Other/historical names associated with this locality:Poitou-Charentes


Ordinary chondrite (LL6; S2; W0)
Fell, 27 June 1966; 271 kg

After detonations and whistling sounds, a number of meteoritic stones fell on the towns of Severin and Allemans. The largest stone was 113 kg, but the eight recovered stones appear to be separated fragments of a single original stone. Total iron (20.17 wt%) and the composition of olivine and orthopyroxene indicate an LL classification. The meteorite has been almost completely recrystallized into a fine-grained matrix which lacks both chondrules and chondrule fragments. The groundmass is mostly olivine with lesser abundances of orthopyroxene and plagioclase. Undulose extinction and irregular fractures in the olivine indicate only moderate shock (level S2). Fe-Ni metal and troilite are present as rare grains (10-50 µm). The rare metal grains, however, are quite complex with plessite and tetrataenite in addition to kamacite and taenite. Accessory chromite, phosphates, traces of copper, and minor sulfides are also reported.

Pb-Pb and Rb-Sr ages (~4.5 Ga) indicate that the original parent body of the Saint-Séverin meteorite was formed during the early epoch of Solar System formation. A cosmic ray exposure (CRE) age of ~16 Ma may record the effect of a disruptive collision effecting most of the ~20% of all LL chondrites with similar CRE ages. [Presumably the target was a large fragment of the original parent body.]

St-Séverin is the most massive of the 42 meteorite falls classified exactly as 'LL6' chondrites at the Meteoritical Bulletin Database (April 2016). The LL chondrites are the smallest group of ordinary chondrites (~10% of all falls) with petrologic type LL6 accounting for approximately half of these falls. The main mass is at Museum National d'Histoire Naturelle (Paris).

Spelling Problematics: The meteorite has been listed as 'Saint-Séverin' in the latest versions of the Catalogue of Meteorites (1985; 2000) as well at the Meteorite Bulletin Database. However, versions of the name with and without the hyphen and with and without the acute accent regularly appear in the technical literature. [In addition, the abbreviation 'St-Séverin' usually lacks a period.]

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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)
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).
'Albite-Anorthite Series'
Reference: Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. ; Mason, B. & Graham, A.L. (1970) Minor and Trace Elements in Meteoritic Minerals. Smithsonian Contributions to the Earth Sciences, Number 3. Smithsonian Institution Press: Washington, DC.; Manhes, G., Minster, J.-F., & Allegre, C. J. (1975). Lead-lead and rubidium-strontium study of the Saint-Severin LL6 chondrite: Meteoritics 10: p.451; 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).
Chlorapatite
Formula: Ca5(PO4)3Cl
Reference: Brearley, A.J. & Jones, R.H. (1998) Chondritic Meteorites. In: Planetary Materials (Papike, JJ - Ed.), Chapter 3: 1-398: Mineralogical Society of America, Washington, DC, USA. ; 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).
Chromite
Formula: Fe2+Cr3+2O4
Description: Chromite-plagioclase assemblage(s) present.
Reference: Mason, B. & Graham, A.L. (1970) Minor and Trace Elements in Meteoritic Minerals. Smithsonian Contributions to the Earth Sciences, Number 3. Smithsonian Institution Press: Washington, DC.; Paul Ramdohr (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).
'Clinopyroxene Subgroup'
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).
Copper
Formula: Cu
Reference: Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Diopside
Formula: CaMgSi2O6
Description: Deformation effects include dislocations and fine-scale twinning on the (100) plane (but shock not sufficient to produce twinning on the (001) plane).
Reference: Ashworth, J. R. (1980). Deformation mechanisms in mildly shocked chondritic diopside: Meteoritics 15: 105-115. (June 1980).
'Fayalite-Forsterite Series'
Reference: Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 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).; Kessel, R., Beckett, J.R. & Stolper, E.M. (2007) The thermal history of equilibrated ordinary chondrites and the relationship between textural maturity and temperature: Geochimica et Cosmochimica Acta 71(7):18855-1881. (April 2007).
'Feldspar Group'
Reference: Mason, B. & Graham, A.L. (1970) Minor and Trace Elements in Meteoritic Minerals. Smithsonian Contributions to the Earth Sciences, Number 3. Smithsonian Institution Press: Washington, DC.
Iron
Formula: Fe
Reference: Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Iron var: Kamacite
Formula: (Fe,Ni)
Reference: Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Isocubanite
Formula: CuFe2S3
Reference: Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Mackinawite
Formula: (Fe,Ni)9S8
Reference: Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Merrillite
Formula: Ca9NaMg(PO4)7
Reference: Manhes, G., Minster, J.-F., & Allegre, C. J. (1975). Lead-lead and rubidium-strontium study of the Saint-Severin LL6 chondrite: Meteoritics 10: p.451; 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'
Description: Labelled as 'hypersthene' in early reports.
Reference: Cantelaube, Y. et al. (1969) Reconstitution de la Meteorite Saint-Séverin dans l'espace: IN: Meteoritic Research: Millman, P.M.-Ed.: pp. 705-717. D. Reidel Publishing Company: Dordrecht-Holland.; Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. ; Mason, B. & Graham, A.L. (1970) Minor and Trace Elements in Meteoritic Minerals. Smithsonian Contributions to the Earth Sciences, Number 3. Smithsonian Institution Press: Washington, DC.
'Plessite'
Reference: Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Richterite
Formula: {Na}{NaCa}{Mg5}(Si8O22)(OH)2
Reference: Brearley, A.J. & Jones, R.H. (1998) Chondritic Meteorites. In: Planetary Materials (Papike, JJ - Ed.), Chapter 3: 1-398: Mineralogical Society of America, Washington, DC, USA.
Spinel
Formula: MgAl2O4
Reference: Kessel, R., Beckett, J.R. & Stolper, E.M. (2007) The thermal history of equilibrated ordinary chondrites and the relationship between textural maturity and temperature: Geochimica et Cosmochimica Acta 71(7):18855-1881. (April 2007).
Taenite
Formula: (Fe,Ni)
Reference: Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Tetrataenite
Formula: FeNi
Reference: Tagai, T., Takeda, H., & Fukuda, T. (1992) Superstructure of Tetrataenite from the Saint Severin Meteorite: Meteoritics 27(3): p. 295. (July 1992).
Troilite
Formula: FeS
Reference: Grady, M.M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. ; Mason, B. & Graham, A.L. (1970) Minor and Trace Elements in Meteoritic Minerals. Smithsonian Contributions to the Earth Sciences, Number 3. Smithsonian Institution Press: Washington, DC.; Paul Ramdohr (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).

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Taenite1.AE.10(Fe,Ni)
Tetrataenite1.AE.10FeNi
Group 2 - Sulphides and Sulfosalts
Isocubanite2.CB.55bCuFe2S3
Mackinawite2.CC.25(Fe,Ni)9S8
Troilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Spinel4.BB.05MgAl2O4
Group 8 - Phosphates, Arsenates and Vanadates
Chlorapatite8.BN.05Ca5(PO4)3Cl
Merrillite8.AC.45Ca9NaMg(PO4)7
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Diopside9.DA.15CaMgSi2O6
Richterite9.DE.20{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Feldspar Group'-
'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)
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 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 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Richterite66.1.3b.9{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Clinopyroxene Subgroup'-
'Fayalite-Forsterite Series'-
'Feldspar Group'-
Iron-Fe
'Orthopyroxene Subgroup'-
'Plessite'-

List of minerals for each chemical element

HHydrogen
H Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
OOxygen
O ChromiteFe2+Cr23+O4
O MerrilliteCa9NaMg(PO4)7
O ChlorapatiteCa5(PO4)3Cl
O Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
O DiopsideCaMgSi2O6
O AlbiteNa(AlSi3O8)
O SpinelMgAl2O4
NaSodium
Na MerrilliteCa9NaMg(PO4)7
Na Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg MerrilliteCa9NaMg(PO4)7
Mg Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Mg DiopsideCaMgSi2O6
Mg SpinelMgAl2O4
AlAluminium
Al AlbiteNa(AlSi3O8)
Al SpinelMgAl2O4
SiSilicon
Si Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Si DiopsideCaMgSi2O6
Si AlbiteNa(AlSi3O8)
PPhosphorus
P MerrilliteCa9NaMg(PO4)7
P ChlorapatiteCa5(PO4)3Cl
SSulfur
S TroiliteFeS
S IsocubaniteCuFe2S3
S Mackinawite(Fe,Ni)9S8
ClChlorine
Cl ChlorapatiteCa5(PO4)3Cl
CaCalcium
Ca MerrilliteCa9NaMg(PO4)7
Ca ChlorapatiteCa5(PO4)3Cl
Ca Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2
Ca DiopsideCaMgSi2O6
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe TroiliteFeS
Fe ChromiteFe2+Cr23+O4
Fe IsocubaniteCuFe2S3
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Mackinawite(Fe,Ni)9S8
Fe Taenite(Fe,Ni)
Fe TetrataeniteFeNi
Fe IronFe
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

Late Cretaceous
66 - 100.5 Ma



ID: 3139427
detrital and biogenic deposit

Age: Late Cretaceous (66 - 100.5 Ma)

Lithology: Major:{limestone}, Minor{sandstone,siltstone,marl}

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]

Jurassic
145 - 201.3 Ma



ID: 3185222
Mesozoic sedimentary rocks

Age: Jurassic (145 - 201.3 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)
Krinov, E. L. - Editor (1967) Meteoritical Bulletin, no. 40: Moscow.
Cantelaube, Y. et al. (1969) Reconstitution de la Meteorite Saint-Séverin dans l'espace: IN: Meteoritic Research: Millman, P.M.-Ed.: pp. 705-717. D. Reidel Publishing Company: Dordrecht-Holland.
Mason, B. & Graham, A.L. (1970) Minor and Trace Elements in Meteoritic Minerals. Smithsonian Contributions to the Earth Sciences, Number 3. Smithsonian Institution Press: Washington, DC.
Paul Ramdohr (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Manhes, G., Minster, J.-F., & Allegre, C. J. (1975). Lead-lead and rubidium-strontium study of the Saint-Severin LL6 chondrite: Meteoritics 10: p.451.
Ashworth, J. R. (1980). Deformation mechanisms in mildly shocked chondritic diopside: Meteoritics 15: 105-115. (June 1980).
Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.
Tagai, T., Takeda, H., & Fukuda, T. (1992) Superstructure of Tetrataenite from the Saint Severin Meteorite: Meteoritics 27(3): p. 295. (July 1992).
Graf, T. & Marti, K. (1994) Collisional records in LL-chondrites. Meteoritics 29(5): 643–648. (Sept 1994).
Brearley, A.J. & Jones, R.H. (1998) Chondritic Meteorites. In: Planetary Materials (Papike, JJ - Ed.), Chapter 3: 1-398: Mineralogical Society of America, Washington, DC, USA.
Grady, M.M (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.
Kessel, R., Beckett, J.R. & Stolper, E.M. (2007) The thermal history of equilibrated ordinary chondrites and the relationship between textural maturity and temperature: Geochimica et Cosmochimica Acta 71(7):18855-1881. (April 2007).
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.

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