Smith Center meteorite, Smith County, Kansas, USA i
Regional Level Types
Smith Center meteorite Meteorite Fall Location
Smith County County
Kansas State
USA Country

Ordinary chondrite (L6)
Find, 1937; 1.585 kg

A single stone was recovered. Inspections reveal indistinct chondrules within a largely equilibrated matrix. Compositionally, equilibrated olivine (Fa24) and low Ca-orthopyroxene ('hypersthene') are characteristic of the L-chondrite geochemical group. Mineralogically the meteorite consists primarily of dominant olivine accompanied by pyroxene with minor troilite and Fe-Ni metal. Accessory chromite, ilmenite, and minor sulfides have also been reported.

A K-Ar age of 890 Ma and a U-He age of 521 Ma point to a probable major collision of an intermediate parent body (IMP) during the past eon, possibly the circa 500 Ma collision that seems to have produced a major component of the L-group chondrites which currently reach the earth. In addition, a reported cosmic ray exposure (CRE) age of t ~ 8.8 Ma may be associated with a derivative much smaller, earth-crossing IMP with a peak in CRE ages at ~ 6 Ma.

The largest portion of the mass is at Arizona State University's Center for Meteorite Studies (318.4 g in 2017).

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Chromite

ⓘ 'Fayalite-Forsterite Series'

ⓘ 'Orthopyroxene Subgroup'

ⓘ Taenite

ⓘ Troilite

7 valid minerals.

Meteorite/Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

ⓘ L6 chondrite meteorite

Entries shown in red are rocks recorded for this region.

Meteorite and other extra-terrestrial rock and sediment
- Meteorite
  - Chondrite meteorite
    - Ordinary chondrite meteorite

Detailed Mineral List:

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ 'Fayalite-Forsterite Series'

Description: Composition (Fa24), Mason (1963).

References:

Mason, Brian (1963) Olivine composition in chondrites. Geochimica et Cosmochimica Acta, 27 (10) 1011-1023 doi:10.1016/0016-7037(63)90062-0

Graham, A. L., Bevan, A. W. R., Hutchison, R. (1985) Catalogue of Meteorites - With Special Reference to those Represented in the Collection of the British Museum (Natural History) (4th ed.) British Museum (Natural History), London.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Isocubanite

Formula: CuFe₂S₃

Description: Isocubanite & Mackinawite deemed primary (pre-terrestrial) by Ramdohr (1973).

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Mackinawite

Formula: FeS

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Native Iron

Formula: Fe

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Native Iron var. Kamacite

Formula: (Fe,Ni)

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ 'Orthopyroxene Subgroup'

Description: Orthopyroxene composition ('hypersthene') characteristic of L chondrites.

References:

ⓘ Taenite

Formula: (Fe,Ni)

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Troilite

Formula: FeS

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Iron	1.AE.05	Fe
ⓘ	var. Kamacite	1.AE.05	(Fe,Ni)
ⓘ	Taenite	1.AE.10	(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
ⓘ	Isocubanite	2.CB.55b	CuFe₂S₃
ⓘ	Troilite	2.CC.10	FeS
ⓘ	Mackinawite	2.CC.25	FeS
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
Unclassified
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Orthopyroxene Subgroup'	-

List of minerals for each chemical element

O	Oxygen
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Fayalite-Forsterite Series
Mg	Magnesium
Mg	ⓘ Fayalite-Forsterite Series
Si	Silicon
Si	ⓘ Fayalite-Forsterite Series
S	Sulfur
S	ⓘ Isocubanite	CuFe₂S₃
S	ⓘ Mackinawite	FeS
S	ⓘ Troilite	FeS
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Native Iron	Fe
Fe	ⓘ Isocubanite	CuFe₂S₃
Fe	ⓘ Native Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Mackinawite	FeS
Fe	ⓘ Taenite	(Fe,Ni)
Fe	ⓘ Troilite	FeS
Fe	ⓘ Fayalite-Forsterite Series
Ni	Nickel
Ni	ⓘ Native Iron var. Kamacite	(Fe,Ni)
Ni	ⓘ Taenite	(Fe,Ni)
Cu	Copper
Cu	ⓘ Isocubanite	CuFe₂S₃

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Great Plains DomainDomain
Salina BasinBasin
Yavapai TerraneVolcanic Arc

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References

Nininger, H.H. & Nininger, A.D. (1950) The Nininger Collection of Meteorites. A Catalogue and a History. Winslow, Arizona. 144 pp.

Mason, Brian (1963) Olivine composition in chondrites. Geochimica et Cosmochimica Acta, 27 (10) 1011-1023 doi:10.1016/0016-7037(63)90062-0

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

Alexeev, V.A. (1998) Parent bodies of H and L chondrites: Times of catastrophic events. Meteoritics & Planetary Science 33(1):145-152. (Jan 1998).

Grady, Monica (2000) Catalogue of Meteorites (5th ed.). Cambridge University Press.

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