Vermillion meteorite, Marshall Co., Kansas, USAi
Regional Level Types | |
---|---|
Vermillion meteorite | Meteorite Fall Location |
Marshall Co. | County |
Kansas | State |
USA | Country |
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Latitude & Longitude (WGS84):
39° 44' 11'' North , 96° 21' 41'' West
Latitude & Longitude (decimal):
Locality type:
Meteorite Class:
Meteoritical Society Class:
KΓΆppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Frankfort | 701 (2017) | 5.9km |
Vermillion | 109 (2017) | 8.4km |
Beattie | 195 (2017) | 14.7km |
Axtell | 403 (2017) | 17.4km |
Home | 160 (2017) | 17.9km |
Pallasite, ungrouped
Find, 1991; 34.36 kg
An iron-rich mass was found by M. & G. Farrell while planting in a grain field. While the Fe-Ni metal content (~86 vol%) is the predominant constituent of the Vermillion meteorite, the silicate constituents (mostly rounded Mg-rich olivine crystals) bring Vermillion clearly into the domain of the pallasite group of stony-irons and it has been so classified. And, in this respect, Vermillion's mineralogy is quite mainstream. The Fe-Ni metal is dominated by kamacite and taenite, olivine (Fa~88) is the predominant silicate, and normally expected accessories [e.g., chromite, merrillite] are present. However, there are a number of oddities about the Vermillion pallasite which have drawn extra attention from the meteoritical community. To begin with, about 5% of the silicate component is Mg-rich orthopyroxene βusually found along the rims of olivine crystals. The presence of olivine with pyroxene is quite common in both meteoritical and planetary bodies, but it is rare in pallasites. Indeed, the presence of even this seemingly small pyroxene component was sufficient for Vermillion to very quickly earn a semi-formal designation as a 'pyroxene pallasite.' Other anomalies have been discovered as well. The oxygen-isotope ratios of Vermillion are clearly distinguishable from both those of the main group pallasites (PMG) and from the smaller group of Eagle Station pallasites (PES). Furthermore, detailed studies of the major and trace elements within the Fe-Ni metal component make it clear that Vermillion metal does not share the relatively close affinities between PMG metal and IIIAB irons (Cf. Wasson & Choi, 2003). Vermillion, then, is one of 6 pallasites formally designated as 'ungrouped.' At the present time, the conventional assumption is that the PMG pallasites, the PES pallasites, and Vermillion are likely derived from 3 separate original parent bodies.
So why isn't Vermillion officially designated a 'pyroxene pallasite' [instead of a mere 'ungrouped pallasite']?' The answer is that the other ungrouped pallasites have unexplained variations from Vermillion in textural features, O-isotopes and/or metallic trace elements which would make such a grouping problematic. [One should note that the problem of pyroxene pallasites is eerily similar issue to the so-called 'missing olivine' problem for the pyroxene-rich diogenites. While our petrological expectations tell us that olivine and pyroxene are sequential products or co-products of igneous differentiation, the pallasites and diogenites appear to provide us with an olivine-rich meteorite group without the clearly associated pyroxene-rich cohort group that one would normally normally expect and, vice versa, a pyroxene-rich group without an associated olivine-rich group.]
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
6 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:
β Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Reference: Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000) |
β Chromite Formula: Fe2+Cr3+2O4 Reference: Boesenberg, J. S., Prinz, M., Weisberg, M. K., Davis, A. M., Clayton, R. N. & Mayeda, T. K. (1995) Pyroxene Pallasites: A New Pallasite Grouplet. Meteoritics 30 (5): 488-489. (Sept 1995); Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000); Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β 'Clinopyroxene Subgroup' Description: Some (or all??) clinopyroxenes are Ca-poor. In at least one instance,clinopyroxene is surrounded by orthopyroxene (Grady et al., 2015) Reference: Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β Cohenite Formula: Fe3C Reference: Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000) |
β 'Fayalite-Forsterite Series' Description: Olivine - Subrounded crystals (β€ 1.5 cm), Fa87-89 Reference: Boesenberg, J. S., Prinz, M., Weisberg, M. K., Davis, A. M., Clayton, R. N. & Mayeda, T. K. (1995) Pyroxene Pallasites: A New Pallasite Grouplet. Meteoritics 30 (5): 488-489. (Sept 1995); Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000); Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β Iron Formula: Fe Reference: Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000); Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β Iron var. Kamacite Formula: (Fe,Ni) Reference: Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000); Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β Merrillite Formula: Ca9NaMg(PO4)7 Reference: Boesenberg, J. S., Prinz, M., Weisberg, M. K., Davis, A. M., Clayton, R. N. & Mayeda, T. K. (1995) Pyroxene Pallasites: A New Pallasite Grouplet. Meteoritics 30 (5): 488-489. (Sept 1995); Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000); Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β 'Orthopyroxene Subgroup' Description: Pyx (En 86-89.8) slitely more Magnesian than PMG pyroxene, usually occurs along the rims of smaller olivine grains. Reference: Boesenberg, J. S., Prinz, M., Weisberg, M. K., Davis, A. M., Clayton, R. N. & Mayeda, T. K. (1995) Pyroxene Pallasites: A New Pallasite Grouplet. Meteoritics 30 (5): 488-489. (Sept 1995); Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000); Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β 'Plessite' Reference: Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β 'Pyroxene Group' Formula: ADSi2O6 Description: Frequently found along rims of smaller olivine grains and, occasionally, as inclusions in olivine (Grady et al., 2015) Reference: Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
β Taenite Formula: (Fe,Ni) Reference: Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000); Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
β | Cohenite | 1.BA.05 | Fe3C |
β | Iron | 1.AE.05 | Fe |
β | var. Kamacite | 1.AE.05 | (Fe,Ni) |
β | Taenite | 1.AE.10 | (Fe,Ni) |
Group 4 - Oxides and Hydroxides | |||
β | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
Group 8 - Phosphates, Arsenates and Vanadates | |||
β | Merrillite | 8.AC.45 | Ca9NaMg(PO4)7 |
Group 9 - Silicates | |||
β | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Unclassified Minerals, Rocks, etc. | |||
β | 'Clinopyroxene Subgroup' | - | |
β | 'Fayalite-Forsterite Series' | - | |
β | 'Orthopyroxene Subgroup' | - | |
β | 'Plessite' | - | |
β | 'Pyroxene Group' | - | ADSi2O6 |
List of minerals for each chemical element
C | Carbon | |
---|---|---|
C | β Cohenite | Fe3C |
O | Oxygen | |
O | β Chromite | Fe2+Cr23+O4 |
O | β Merrillite | Ca9NaMg(PO4)7 |
O | β Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | β Pyroxene Group | ADSi2O6 |
Na | Sodium | |
Na | β Merrillite | Ca9NaMg(PO4)7 |
Mg | Magnesium | |
Mg | β Merrillite | Ca9NaMg(PO4)7 |
Mg | β Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | Silicon | |
Si | β Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | β Pyroxene Group | ADSi2O6 |
P | Phosphorus | |
P | β Merrillite | Ca9NaMg(PO4)7 |
Ca | Calcium | |
Ca | β Merrillite | Ca9NaMg(PO4)7 |
Ca | β Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Cr | Chromium | |
Cr | β Chromite | Fe2+Cr23+O4 |
Fe | Iron | |
Fe | β Chromite | Fe2+Cr23+O4 |
Fe | β Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | β Cohenite | Fe3C |
Fe | β Iron var. Kamacite | (Fe,Ni) |
Fe | β Taenite | (Fe,Ni) |
Fe | β Iron | Fe |
Ni | Nickel | |
Ni | β Iron var. Kamacite | (Fe,Ni) |
Ni | β Taenite | (Fe,Ni) |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Boesenberg, J. S., Prinz, M., Weisberg, M. K., Davis, A. M., Clayton, R. N. & Mayeda, T. K. (1995) Pyroxene Pallasites: A New Pallasite Grouplet. Meteoritics 30 (5): 488-489. (Sept 1995)
Grossman, J. N. (1996) The Meteoritical Bulletin, No. 80, 1996 July: Meteoritics & Planetary Science 31 (4, Suppl.): pp. A175-A180. (July 1996)
Boesenberg, J. S., Davis, A.M., Prinz, M., Weisberg, M.K., Clayton, R.N. & Mayeda, T.K. (2000) The pyroxene pallasites, Vermilion and Yamato 8451: Not quite a couple. Meteoritics & Planetary Science 35 (4): 757-769. (July 2000)
Grady, M. M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.
Wasson,Β J.Β T. & Choi,Β B.-G. (2003) Main-group pallasites - chemical composition, relationship to IIIAB irons, and origin: Geochimica et Cosmochimica Acta 67 (16): 3079-3096. (Aug 2003)
Grady, M. M., Pratesi, G. & Moggi-Cecchi, V. (2015) Atlas of Meteorites. Cambridge University Press: Cambridge, United Kingdom. 373 pages.
External Links
http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?1996M%26PSA..31..175G
http://www.lpi.usra.edu/meteor/metbull.php
http://adsabs.harvard.edu/abs/2003GeCoA..67.3079W
http://www.encyclopedia-of-meteorites.com/test/Vermillion_don_edwards.jpg
http://www.lpi.usra.edu/meteor/metbull.php
http://adsabs.harvard.edu/abs/2003GeCoA..67.3079W
http://www.encyclopedia-of-meteorites.com/test/Vermillion_don_edwards.jpg
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Mazatzal DomainDomain
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