Harleton meteorite, Harrison Co., Texas, USAi
Regional Level Types | |
---|---|
Harleton meteorite | Meteorite Fall Location |
Harrison Co. | County |
Texas | State |
USA | Country |
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Latitude & Longitude (WGS84):
32° 40' 30'' North , 94° 30' 42'' West
Latitude & Longitude (decimal):
Locality type:
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Nesbitt | 281 (2011) | 10.5km |
Jefferson | 2,048 (2017) | 18.1km |
Marshall | 23,820 (2017) | 19.8km |
Hallsville | 4,065 (2017) | 19.8km |
Ore City | 1,189 (2017) | 24.0km |
Ordinary chondrite (L6)
Fell, 30 May 1961; 8.36 kg
Late in the evening (~10:30 PM, CST) a bright fireball was seen across eastern Texas and a stony meteorite was recovered from a 75 cm deep hole in sandy soil just a few minutes after it was seen to fall. The recovered meteorite's surface features displayed shifting flow marks indicating that some material had spalled off during flight, but no additional fragments were recovered. Below the glassy fusion crust inspections revealed indistinct chondrules within a compact, pale gray, largely equilibrated matrix. Compositionally, bulk iron contents (~23 wt% Fe), equilibrated olivine (Fa~25) and equilibrated low Ca-orthopyroxene (Fs~22) are characteristic of the L-chondrite geochemical group. Mineralogically the meteorite consists primarily of olivine [43 wt%], pyroxene (25.5 wt%) with minor albitic plagioclase, troilite, Fe-Ni metal, and diopside. Accessory chromite, copper, phosphates, and minor sulfides are also reported. Plagioclase feldspar is fine-grained, granular, untwinned, and interstitial to other minerals. Maskelynite appears to be restricted largely or entirely to the fusion crust. Minor amounts of shock melting are occasionally present within the Fe-Ni metal (kamacite with lesser taenite) and troilite. The meteorite has been part of several studies attempting to assay natural variability in U/Th variability in phosphates (particularly apatite and merrillite) which are so important in the chronometry of the very early solar system.
The main mass was acquired by the United States National Museum (Washington) shortly after the fall. A ~500 g mass was obtained by the Field Museum of Natural History (Chicago) with a few smaller specimens distributed elsewhere. L-chondrites, the largest geochemical group, represent ~45% of all well classified ordinary chondrite falls. The L6 chondrite subset represent nearly 70% of the L chondrites. Harleton itself was one of 271 named meteorites classified exactly as a 'L6' chondrite by the Meteoritical Society (as of late November 2016).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral 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 DiagramDetailed Mineral List:
ⓘ Chlorapatite Formula: Ca5(PO4)3Cl Reference: Fuchs, L.H. (1969) The Phosphate Mineralogy of Meteorites: IN: Meteoritic Research: Millman, P.M.-Ed.: pp. 683-695. D. Reidel Publishing Company: Dordrecht-Holland.; Goreva, J.S. & Burnett, D.S. (2001) Phosphate control on the Th/U variations in ordinary chondrites: Improving solar system abundances: Meteoritics & Planetary Science 36(1): 63-74. (Jan 2001). |
ⓘ Chromite Formula: Fe2+Cr3+2O4 Reference: Bunch, T.E., Keil, K. & Snetsinger, K.G. (1967) Chromite composition in relation to chemistry and texture of ordinary chondrites. Geochimica et Cosmochimica Acta 31(10): 1569-1582. (Oct 1967).; Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ Copper Formula: Cu Description: Traces, usually associated w. kamacite or w. troilite. Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ Diopside Formula: CaMgSi2O6 Reference: Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ 'Fayalite-Forsterite Series' Description: Fa 25 mol% (refractive indices), Fa 24.6 mol% (Microprobe). Reference: Keil, K. & Fredriksson, K. (1964) The Fe, Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964). ; Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ 'Glass' Description: In fusion crust, sometimes as maskelynite. Reference: Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ 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.; Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ Isocubanite Formula: CuFe2S3 Description: In traces (labelled as chalcopyrrhotite). 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. |
ⓘ 'Maskelynite' Reference: Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ Merrillite Formula: Ca9NaMg(PO4)7 Reference: Fuchs, L.H. (1969) The Phosphate Mineralogy of Meteorites: IN: Meteoritic Research: Millman, P.M.-Ed.: pp. 683-695. D. Reidel Publishing Company: Dordrecht-Holland.; Goreva, J.S. & Burnett, D.S. (2001) Phosphate control on the Th/U variations in ordinary chondrites: Improving solar system abundances: Meteoritics & Planetary Science 36(1): 63-74. (Jan 2001). |
ⓘ 'Orthopyroxene Subgroup' Description: Fs 21 mol% (refractive indices), Fs 22.4 mol% (Microprobe), Clarke Jr. et al. (1977). Reference: Keil, K. & Fredriksson, K. (1964) The Fe, Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964). ; Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 Reference: Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ 'Plessite' 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.; Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
ⓘ Troilite Formula: FeS Description: Mostly as isolated patches and sometimes with Fe-Ni metal. Reference: Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.; Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70. |
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) |
ⓘ | Taenite | 1.AE.10 | (Fe,Ni) |
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 | |||
ⓘ | Chlorapatite | 8.BN.05 | Ca5(PO4)3Cl |
ⓘ | Merrillite | 8.AC.45 | Ca9NaMg(PO4)7 |
Group 9 - Silicates | |||
ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
Unclassified Minerals, Rocks, etc. | |||
ⓘ | 'Fayalite-Forsterite Series' | - | |
ⓘ | 'Glass' | - | |
ⓘ | 'Maskelynite' | - | |
ⓘ | 'Orthopyroxene Subgroup' | - | |
ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
ⓘ | 'Plessite' | - |
List of minerals for each chemical element
O | Oxygen | |
---|---|---|
O | ⓘ Chromite | Fe2+Cr23+O4 |
O | ⓘ Chlorapatite | Ca5(PO4)3Cl |
O | ⓘ Merrillite | Ca9NaMg(PO4)7 |
O | ⓘ Diopside | CaMgSi2O6 |
O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Na | Sodium | |
Na | ⓘ Merrillite | Ca9NaMg(PO4)7 |
Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Mg | Magnesium | |
Mg | ⓘ Merrillite | Ca9NaMg(PO4)7 |
Mg | ⓘ Diopside | CaMgSi2O6 |
Al | Aluminium | |
Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Si | Silicon | |
Si | ⓘ Diopside | CaMgSi2O6 |
Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
P | Phosphorus | |
P | ⓘ Chlorapatite | Ca5(PO4)3Cl |
P | ⓘ Merrillite | Ca9NaMg(PO4)7 |
S | Sulfur | |
S | ⓘ Isocubanite | CuFe2S3 |
S | ⓘ Mackinawite | (Fe,Ni)9S8 |
S | ⓘ Troilite | FeS |
Cl | Chlorine | |
Cl | ⓘ Chlorapatite | Ca5(PO4)3Cl |
Ca | Calcium | |
Ca | ⓘ Chlorapatite | Ca5(PO4)3Cl |
Ca | ⓘ Merrillite | Ca9NaMg(PO4)7 |
Ca | ⓘ Diopside | CaMgSi2O6 |
Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Cr | Chromium | |
Cr | ⓘ Chromite | Fe2+Cr23+O4 |
Fe | Iron | |
Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Fe | ⓘ Isocubanite | CuFe2S3 |
Fe | ⓘ Iron var. Kamacite | (Fe,Ni) |
Fe | ⓘ Mackinawite | (Fe,Ni)9S8 |
Fe | ⓘ Taenite | (Fe,Ni) |
Fe | ⓘ Troilite | FeS |
Fe | ⓘ Iron | Fe |
Ni | Nickel | |
Ni | ⓘ Iron var. Kamacite | (Fe,Ni) |
Ni | ⓘ Mackinawite | (Fe,Ni)9S8 |
Ni | ⓘ Taenite | (Fe,Ni) |
Cu | Copper | |
Cu | ⓘ Copper | Cu |
Cu | ⓘ Isocubanite | CuFe2S3 |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Krinov, E. L. - Ed. (1961) The Meteoritical Bulletin, No. 22. Moscow.
Keil, K. & Fredriksson, K. (1964) The Fe, Mg and Ca Distribution in Coexisting Olivines and Rhombic Pyroxenes of Chondrites. Journal of Geophysical Research Atmospheres 69 (16): 3487-3515. (August 1964).
Bunch, T.E., Keil, K. & Snetsinger, K.G. (1967) Chromite composition in relation to chemistry and texture of ordinary chondrites. Geochimica et Cosmochimica Acta 31(10): 1569-1582. (Oct 1967).
Fuchs, L.H. (1969) The Phosphate Mineralogy of Meteorites: IN: Meteoritic Research: Millman, P.M.-Ed.: pp. 683-695. D. Reidel Publishing Company: Dordrecht-Holland.
Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.
Clarke Jr., R.S., Henderson, E.P. & Mason, B. (1977) Smithsonian Contributions Earth Science 19: p. 61-70.
Graham, A. L., Bevan, A. W. R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.
Grady, M.M (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.
Goreva, J.S. & Burnett, D.S. (2001) Phosphate control on the Th/U variations in ordinary chondrites: Improving solar system abundances: Meteoritics & Planetary Science 36(1): 63-74. (Jan 2001).
External Links
http://www.lpi.usra.edu/meteor/metbull.php?code=11830 -Harleton@MetBullDatabase
http://www.lpi.usra.edu/meteor/get_original_photo.php?recno=5630059 -Harleton specimen
https://repository.si.edu/bitstream/handle/10088/821/SCES-0019.pdf.txt?sequence=4&isAllowed=y -Harleton described (public venue document)
http://www.lpi.usra.edu/meteor/get_original_photo.php?recno=5630059 -Harleton specimen
https://repository.si.edu/bitstream/handle/10088/821/SCES-0019.pdf.txt?sequence=4&isAllowed=y -Harleton described (public venue document)
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Gulf of Mexico BasinBasin
- Post-Ouachita Successor BasinBasin
- Sabine DomainDomain
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