Bald Mountain meteorite, Yancey Co., North Carolina, USAi
| Regional Level Types | |
|---|---|
| Bald Mountain meteorite | Meteorite Fall Location |
| Yancey Co. | County |
| North Carolina | State |
| USA | Country |
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Latitude & Longitude (WGS84):
35° 58' 0'' North , 82° 28' 59'' West
Latitude & Longitude (decimal):
Locality type:
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mars Hill | 2,256 (2017) | 16.7km |
| Burnsville | 1,660 (2017) | 17.3km |
| Banner Hill | 1,497 (2011) | 19.0km |
| Erwin | 5,979 (2017) | 20.7km |
| Marshall | 876 (2017) | 26.1km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Mountain Area Gem and Mineral Association (MAGMA) | Asheville, North Carolina | 41km |
| Southern Appalachian Mineral Society | Asheville, North Carolina | 41km |
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 ElementsMineral 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 DiagramDetailed Mineral List:
| ⓘ Chromite Formula: Fe2+Cr3+2O4 Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; 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) |
| ⓘ Copper Formula: Cu Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages. |
| ⓘ Diopside Formula: CaMgSi2O6 Reference: 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). (Jan 2010). |
| ⓘ 'Fayalite-Forsterite Series' Reference: Meteoritical Bulletin Database; 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). (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); Grady, M.M (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages. |
| ⓘ 'Hypersthene' Formula: (Mg,Fe)SiO3 Reference: Meteoritical Bulletin Database |
| ⓘ Iron Formula: Fe Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages. |
| ⓘ Iron var. Kamacite Formula: (Fe,Ni) Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; 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) |
| ⓘ Isocubanite Formula: CuFe2S3 Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages. |
| ⓘ Mackinawite Formula: (Fe,Ni)9S8 Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages. |
| ⓘ Merrillite Formula: Ca9NaMg(PO4)7 Reference: 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) |
| ⓘ 'Orthopyroxene Subgroup' Reference: 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). (Jan 2010). |
| ⓘ Pigeonite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Reference: 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). (Jan 2010). |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 Reference: 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). (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) |
| ⓘ 'Plessite' Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages. |
| ⓘ Schreibersite Formula: (Fe,Ni)3P Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages. |
| ⓘ Taenite Formula: (Fe,Ni) Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; 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); Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994). |
| ⓘ Tetrataenite Formula: FeNi Reference: Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994). |
| ⓘ Troilite Formula: FeS Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; 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). (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) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Copper | 1.AA.05 | Cu |
| ⓘ | Iron | 1.AE.05 | Fe |
| ⓘ | var. Kamacite | 1.AE.05 | (Fe,Ni) |
| ⓘ | Schreibersite | 1.BD.05 | (Fe,Ni)3P |
| ⓘ | Taenite | 1.AE.10 | (Fe,Ni) |
| ⓘ | Tetrataenite | 1.AE.10 | FeNi |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Isocubanite | 2.CB.55b | CuFe2S3 |
| ⓘ | Mackinawite | 2.CC.25 | (Fe,Ni)9S8 |
| ⓘ | Troilite | 2.CC.10 | FeS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Merrillite | 8.AC.45 | Ca9NaMg(PO4)7 |
| Group 9 - Silicates | |||
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Pigeonite | 9.DA.10 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Hypersthene' | - | (Mg,Fe)SiO3 |
| ⓘ | 'Orthopyroxene Subgroup' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Plessite' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Mg | Magnesium | |
| Mg | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Al | Aluminium | |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| P | Phosphorus | |
| P | ⓘ Schreibersite | (Fe,Ni)3P |
| P | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| S | Sulfur | |
| S | ⓘ Isocubanite | CuFe2S3 |
| S | ⓘ Mackinawite | (Fe,Ni)9S8 |
| S | ⓘ Troilite | FeS |
| Ca | Calcium | |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Hypersthene | (Mg,Fe)SiO3 |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Isocubanite | CuFe2S3 |
| Fe | ⓘ Iron var. Kamacite | (Fe,Ni) |
| Fe | ⓘ Mackinawite | (Fe,Ni)9S8 |
| Fe | ⓘ Schreibersite | (Fe,Ni)3P |
| Fe | ⓘ Taenite | (Fe,Ni) |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Iron | Fe |
| Fe | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Tetrataenite | FeNi |
| Ni | Nickel | |
| Ni | ⓘ Iron var. Kamacite | (Fe,Ni) |
| Ni | ⓘ Mackinawite | (Fe,Ni)9S8 |
| Ni | ⓘ Schreibersite | (Fe,Ni)3P |
| Ni | ⓘ Taenite | (Fe,Ni) |
| Ni | ⓘ Tetrataenite | FeNi |
| Cu | Copper | |
| Cu | ⓘ Copper | Cu |
| Cu | ⓘ Isocubanite | CuFe2S3 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Rubin, A.E. (1994) Metallic copper in ordinary chondrites. Meteoritics 29 (1): 93-98. (Jan 1994).
Grady, M.M (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.
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)
External Links
http://www.lpi.usra.edu/meteor/metbull.php?code=4925 -Bald Mountain@MetBullDatabase
http://www.hou.usra.edu/meetings/metsoc2015/eposter/5378.pdf -Bald Mountain µ-XRF spectroscopy
http://www.hou.usra.edu/meetings/metsoc2015/eposter/5378.pdf -Bald Mountain µ-XRF spectroscopy
Other Regions, Features and Areas containing this locality
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USA
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