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Bald Mountain meteorite, Yancey County, North Carolina, USAi
Regional Level Types
Bald Mountain meteoriteMeteorite Fall Location
Yancey CountyCounty
North CarolinaState
USACountry

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Latitude & Longitude (WGS84):
35° 58' 0'' North , 82° 28' 59'' West
Latitude & Longitude (decimal):
35.96667,-82.48333
GeoHash:
G#: dnmke593p
GRN:
N24W49
Type:
Meteorite Fall Location
Meteorite Class:
L4 chondrite meteorite
Meteoritical Society Class:
L4
Metbull:
View entry in Meteoritical Bulletin Database
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Mars Hill2,256 (2017)16.7km
Burnsville1,660 (2017)17.3km
Banner Hill1,497 (2011)19.0km
Erwin5,979 (2017)20.7km
Marshall876 (2017)26.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Mountain Area Gem and Mineral Association (MAGMA)Asheville, North Carolina41km
Southern Appalachian Mineral SocietyAsheville, North Carolina41km
Mindat Locality ID:
259869
Long-form identifier:
mindat:1:2:259869:0
GUID (UUID V4):
0


Ordinary Chondrite, veined (L4; S4)
Fall, 9 July 1929; 3.7 kg, 2 stones

Two stones fell together. Olivine, Ca-poor clinopyroxene, and other silicates comprise nearly 80 vol% of the meteorite. Fe-Ni metal and troilite account for most of the remaining meteorite, but several minor (accessory) phases have also been identified. Bulk iron (23.5 wt%) and olivine (Fa22.3) compositions are characteristic of the L (relatively low iron) ordinary chondrite geochemical group.

Only 500 g or so of the meteorite remains today. The Field Museum of Natural History (Chicago), United States National Museum (Washington), and Arizona State University (Tempe) accounted for most or all of it in 2000.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


12 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:

ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Copper
Formula: Cu
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
ⓘ Iron
Formula: Fe
ⓘ Iron var. Kamacite
Formula: (Fe,Ni)
ⓘ Isocubanite
Formula: CuFe2S3
ⓘ Mackinawite
Formula: FeS
ⓘ Merrillite
Formula: Ca9NaMg(PO4)7
ⓘ 'Orthopyroxene Subgroup'
ⓘ Pigeonite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Plessite'
ⓘ Schreibersite
Formula: (Fe,Ni)3P
ⓘ Taenite
Formula: (Fe,Ni)
ⓘ Tetrataenite
Formula: FeNi
ⓘ Troilite
Formula: FeS

Gallery:

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
ⓘSchreibersite1.BD.05(Fe,Ni)3P
Group 2 - Sulphides and Sulfosalts
ⓘIsocubanite2.CB.55bCuFe2S3
ⓘTroilite2.CC.10FeS
ⓘMackinawite2.CC.25FeS
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMerrillite8.AC.45Ca9NaMg(PO4)7
Group 9 - Silicates
ⓘPigeonite9.DA.10(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
Unclassified
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Plessite'-
ⓘ'Orthopyroxene Subgroup'-

List of minerals for each chemical element

OOxygen
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ DiopsideCaMgSi2O6
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ MerrilliteCa9NaMg(PO4)7
Oⓘ Fayalite-Forsterite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
NaSodium
Naⓘ MerrilliteCa9NaMg(PO4)7
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ MerrilliteCa9NaMg(PO4)7
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ DiopsideCaMgSi2O6
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ Fayalite-Forsterite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ Schreibersite(Fe,Ni)3P
Pⓘ MerrilliteCa9NaMg(PO4)7
SSulfur
Sⓘ IsocubaniteCuFe2S3
Sⓘ MackinawiteFeS
Sⓘ TroiliteFeS
CaCalcium
Caⓘ DiopsideCaMgSi2O6
Caⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ MerrilliteCa9NaMg(PO4)7
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ IronFe
Feⓘ IsocubaniteCuFe2S3
Feⓘ Iron var. Kamacite(Fe,Ni)
Feⓘ MackinawiteFeS
Feⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ Schreibersite(Fe,Ni)3P
Feⓘ Taenite(Fe,Ni)
Feⓘ TetrataeniteFeNi
Feⓘ TroiliteFeS
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ Iron var. Kamacite(Fe,Ni)
Niⓘ Schreibersite(Fe,Ni)3P
Niⓘ Taenite(Fe,Ni)
Niⓘ TetrataeniteFeNi
CuCopper
Cuⓘ CopperCu
Cuⓘ IsocubaniteCuFe2S3

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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?code=4925
www.hou.usra.edu (n.d.) http://www.hou.usra.edu/meetings/metsoc2015/eposter/5378.pdf
Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025
Rubin, Alan E. (1994) Metallic copper in ordinary chondrites. Meteoritics, 29 (1) 93-98 doi:10.1111/j.1945-5100.1994.tb00659.x
Grady, Monica (2000) Catalogue of Meteorites (5th ed.). Cambridge University Press.
Dunn, T.L., Cressy, G., McSween Jr, H.Y. & McCoy, T.J. (2010) Analysis of ordinary chondrites using powder X-ray diffraction: 1. Modal mineral abundances. Meteoritics & Planetary Science 45(1): 123-134. (Jan 2010).
Dunn, T.L. (2015) Micro-XRF Spectroscopy: A New Tool for Characterizing Ordinary Chondrites (Poster). 78th Annual Meeting of the Meteoritical Society. (See Online references)
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