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Inman meteorite, McPherson County, Kansas, USAi
Regional Level Types
Inman meteoriteMeteorite Fall Location
McPherson CountyCounty
KansasState
USACountry

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Latitude & Longitude (WGS84):
38° 15' North , 98° 40' West
Latitude & Longitude (decimal):
38.25000,-98.66667
GeoHash:
G#: 9yccdg1nk
GRN:
N26W56
Type:
Meteorite Fall Location
Meteorite Class:
L/LL3.4 chondrite meteorite
Meteoritical Society Class:
L/LL3.4
Metbull:
View entry in Meteoritical Bulletin Database
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Ellinwood2,066 (2017)13.9km
Great Bend15,717 (2017)15.3km
Hudson124 (2017)16.1km
Pawnee Rock239 (2017)27.5km
Saint John1,295 (2017)28.7km
Mindat Locality ID:
29641
Long-form identifier:
mindat:1:2:29641:5
GUID (UUID V4):
0


Ordinary chondrite, brecciated (L/LL3.4; S2; W2)
Find, 1966. 7.25kg.

A single stone with a few, thin remaining portions of its original fusion crust was brought to the Kansas State University Geology Department and identified. Oxidation and fresh Fe-Ni metal were both readily apparent upon sectioning. Inman is an unequilibrated L/LL chondrite (intermediate low bulk iron) with well-defined chondrules and chondrule fragments (~70 vol%) within a dark, fine-grained and sometimes glassy matrix. Chondrules are mostly spherical with textural components predominantly barred olivine (BO), porphyritic olivine (PO), and radial pyroxene (RP). Undulose extinction in olivine and polysynthetic twining in pyroxenes provide additional evidence of shock-producing event(s). Moissanite, nierite, moissanite, and an unidentified (trigonal) silicon nitride are some of the more exotic phases found in some inclusions.

Inman is the most massive of 4 L/LL3.4 meteorites listed at the Meteoritical Bulletin Database (update of August 2015).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


16 valid minerals.

Meteorite/Rock Types Recorded

Note: 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:

ⓘ Anorthite
Formula: Ca(Al2Si2O8)
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ 'Clinopyroxene Subgroup'
ⓘ Diamond
Formula: C
ⓘ 'Fayalite-Forsterite Series'
Description: Olivine grains exhibit undulose extinction (S2 shock level).
ⓘ 'Glass'
Description: Feldspathic glass in mesostasis.
ⓘ Hematite
Formula: Fe2O3
ⓘ Hibonite
Formula: CaAl12O19
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kosmochlor ?
Formula: NaCrSi2O6
ⓘ Merrillite
Formula: Ca9NaMg(PO4)7
ⓘ Moissanite
Formula: SiC
ⓘ Native Iron
Formula: Fe
ⓘ Native Iron var. Kamacite
Formula: (Fe,Ni)
ⓘ Nickelphosphide
Formula: (Ni,Fe)3P
ⓘ Nierite
Formula: Si3N4
ⓘ 'Orthopyroxene Subgroup'
Description: Low-Ca Orthopyroxene may exhibit polysynthetic twining.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Rutile
Formula: TiO2
ⓘ Spinel
Formula: MgAl2O4
ⓘ Taenite
Formula: (Fe,Ni)
Description: Polycrystalline troilite (polycrystalline)one of several shock indicators.
ⓘ Troilite
Formula: FeS
ⓘ 'UM1995-14-N:Si'
Formula: β-Si3N4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Iron1.AE.05Fe
ⓘvar. Kamacite1.AE.05(Fe,Ni)
ⓘTaenite1.AE.10(Fe,Ni)
ⓘNickelphosphide1.BD.05(Ni,Fe)3P
ⓘDiamond1.CB.10aC
ⓘMoissanite1.DA.SiC
ⓘNierite1.DB.05Si3N4
Group 2 - Sulphides and Sulfosalts
ⓘTroilite2.CC.10FeS
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘHibonite4.CC.45CaAl12O19
ⓘRutile4.DB.05TiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMerrillite8.AC.45Ca9NaMg(PO4)7
Group 9 - Silicates
ⓘKosmochlor ?9.DA.25NaCrSi2O6
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
Unclassified
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Glass'-
ⓘ'UM1995-14-N:Si'-β-Si3N4

List of minerals for each chemical element

CCarbon
Cⓘ DiamondC
Cⓘ MoissaniteSiC
NNitrogen
Nⓘ NieriteSi3N4
Nⓘ UM1995-14-N:Siβ-Si3N4
OOxygen
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ HematiteFe2O3
Oⓘ HiboniteCaAl12O19
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ IlmeniteFe2+TiO3
Oⓘ KosmochlorNaCrSi2O6
Oⓘ RutileTiO2
Oⓘ SpinelMgAl2O4
Oⓘ MerrilliteCa9NaMg(PO4)7
Oⓘ Fayalite-Forsterite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
NaSodium
Naⓘ KosmochlorNaCrSi2O6
Naⓘ MerrilliteCa9NaMg(PO4)7
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ SpinelMgAl2O4
Mgⓘ MerrilliteCa9NaMg(PO4)7
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ HiboniteCaAl12O19
Alⓘ SpinelMgAl2O4
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ KosmochlorNaCrSi2O6
Siⓘ MoissaniteSiC
Siⓘ NieriteSi3N4
Siⓘ Fayalite-Forsterite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ UM1995-14-N:Siβ-Si3N4
PPhosphorus
Pⓘ MerrilliteCa9NaMg(PO4)7
Pⓘ Nickelphosphide(Ni,Fe)3P
SSulfur
Sⓘ TroiliteFeS
CaCalcium
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ HiboniteCaAl12O19
Caⓘ MerrilliteCa9NaMg(PO4)7
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
Crⓘ KosmochlorNaCrSi2O6
FeIron
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ HematiteFe2O3
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ IlmeniteFe2+TiO3
Feⓘ Native IronFe
Feⓘ Native Iron var. Kamacite(Fe,Ni)
Feⓘ Taenite(Fe,Ni)
Feⓘ TroiliteFeS
Feⓘ Nickelphosphide(Ni,Fe)3P
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ Native Iron var. Kamacite(Fe,Ni)
Niⓘ Taenite(Fe,Ni)
Niⓘ Nickelphosphide(Ni,Fe)3P

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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References

(n.d.)
King, T.V.V. & King, E.A. (1981) Accretionary dark rims in unequilibrated chondrites: Icarus 48(3): 460-472. (Dec. 1981).
Bennett III, M.E. & McSween Jr., H.Y. (1996) Shock features in iron-nickel metal and troilite of L-group ordinary chondrites: Meteoritics & Planetary Science 31(2): 255-264. (March 1996).
Srinivasan, G., Russell, S.S., MacPherson, G.J., Huss, G.R., & Wasserburg, G. J. (1996) New Evidence for 26Al in CAI and Chondrules from Type 3 Ordinary Chondrites: Lunar and Planetary Science 27: 1257-1258.
Russell, S.S., Huss, G.R., MacPherson, G.J. & Wasserburg, G.J. (1997) Early and late chondrule formation - New constraints for solar nebula chronology from Al-26/Al-27 in unequilibrated ordinary chondrites: 28th Annual Lunar and Planetary Science Conference: 209-210.
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.
www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/metbull.php
Grady, M. M., Pratesi, G., Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press.
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