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Larned meteorite, Pawnee County, Kansas, USAi
Regional Level Types
Larned meteoriteMeteorite Fall Location
Pawnee CountyCounty
KansasState
USACountry

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Latitude & Longitude (WGS84):
38° 11' 57'' North , 99° 9' 42'' West
Latitude & Longitude (decimal):
38.19944,-99.16194
GeoHash:
G#: 9yc3r9brz
GRN:
N26W56
Type:
Meteorite Fall Location
Meteorite Class:
Anomalous aubrite meteorite
Meteoritical Society Class:
Aubrite-an
Metbull:
View entry in Meteoritical Bulletin Database
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Larned3,967 (2017)5.9km
Garfield185 (2017)15.3km
Pawnee Rock239 (2017)17.4km
Rozel152 (2017)21.1km
Lewis434 (2017)30.3km
Mindat Locality ID:
257589
Long-form identifier:
mindat:1:2:257589:9
GUID (UUID V4):
0


Anomalous Aubrite, Polymict
Found 1977; 28.1 kg;

A single weathered stone was discovered in 1977, but not identified as a meteorite until 2007. Silicates include not only dominant, nearly pure enstatite, but diopside, plagioclase glass, traces of forsteritic olivine, and silica as well. Metallic nickel-iron is found both as kamacite and taenite. In spite of significant weathering, Larned contains several phases indicative of the extreme reduced mineralogy of the Enstatite clan (e.g., niningerite, alabandite). Larned contains more metal and silica than most Aubrites plus a number of features due to intense shock.

Larned is the 4th most massive of the 70 Aubrites listed at the Meteoritical Society’s Web Site in early 2014. (There is some dispute about whether the more massive Al Haggounia 001 should be classified as an Aubrite or an Enstatite Chondrite.)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 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:

ⓘ Alabandite
Formula: MnS
ⓘ Daubréelite
Formula: Fe2+Cr3+2S4
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Forsterite
Formula: Mg2SiO4
Description: composition Fa (.1-.2)
ⓘ 'Glass'
Description: sodic plagioclase composition (Ab79Or21
ⓘ Native Iron
Formula: Fe
ⓘ Native Iron var. Kamacite
Formula: (Fe,Ni)
ⓘ Niningerite
Formula: MgS
ⓘ Schreibersite
Formula: (Fe,Ni)3P
ⓘ 'Silica'
Description: Shock produced ballen structures within Enstatite are locally abundant
ⓘ Taenite
Formula: (Fe,Ni)
Description: rare
ⓘ Troilite
Formula: FeS

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)
ⓘSchreibersite1.BD.05(Fe,Ni)3P
Group 2 - Sulphides and Sulfosalts
ⓘTroilite2.CC.10FeS
ⓘAlabandite2.CD.10MnS
ⓘNiningerite2.CD.10MgS
ⓘDaubréelite2.DA.05Fe2+Cr3+2S4
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
Unclassified
ⓘ'Silica'-
ⓘ'Glass'-

List of minerals for each chemical element

OOxygen
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ ForsteriteMg2SiO4
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ NiningeriteMgS
SiSilicon
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ ForsteriteMg2SiO4
PPhosphorus
Pⓘ Schreibersite(Fe,Ni)3P
SSulfur
Sⓘ AlabanditeMnS
Sⓘ DaubréeliteFe2+Cr23+S4
Sⓘ NiningeriteMgS
Sⓘ TroiliteFeS
CaCalcium
Caⓘ DiopsideCaMgSi2O6
CrChromium
Crⓘ DaubréeliteFe2+Cr23+S4
MnManganese
Mnⓘ AlabanditeMnS
FeIron
Feⓘ DaubréeliteFe2+Cr23+S4
Feⓘ Native IronFe
Feⓘ Native Iron var. Kamacite(Fe,Ni)
Feⓘ Schreibersite(Fe,Ni)3P
Feⓘ Taenite(Fe,Ni)
Feⓘ TroiliteFeS
NiNickel
Niⓘ Native Iron var. Kamacite(Fe,Ni)
Niⓘ Schreibersite(Fe,Ni)3P
Niⓘ Taenite(Fe,Ni)

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/metbull.php=
www.lpi.usra.edu (n.d.) http://www.lpi.usra.edu/meteor/docs/mb97.pdf=
Weisberg et al., (2010) Meteoritical Bulletin, no. 97: Meteoritics & Planetary Science 45 (3): 449-493. (March 2010)
Irving, A. J., Bunch, T. E., Kuehner, S. M. & Stimpson, D. (2010) Ballen Silica Indicative of High Shock Pressures in the Anomalous, Metal-rich Larned Aubrite from Central Kansas, USA (abstract, id. 5309): Meteoritics & Planetary Science 45 (7, Supplement): p. A89. (July 2010)
Keil, K. (2012). Angrites, a small but diverse suite of ancient, silica-undersaturated volcanic-plutonic mafic meteorites, and the history of their parent asteroid. Chemie der Erde 72 (3):191-218. (Sept 2012)
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