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Dayton meteorite, Montgomery Co., Ohio, USA

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Latitude & Longitude (WGS84): 39° 45' North , 84° 10' West
Latitude & Longitude (decimal): 39.75000,-84.16667
Non-native locality type:Meteorite
Meteorite Class:IAB-sLH iron meteorite
Meteoritical Society Class: Iron, IAB-sLH
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:Cfa : Humid subtropical climate


Iron w. silicate inclusions, fine octahedrite (IAB-sLH; Off)
Found 1892, 26.3 kg; weathered

An iron meteorite (Ni ~17%) was said to have fallen in 1892 and sold entire in 1951 to the U.S. National Museum. The meteorite was too weathered to have been an observed fall, but has still had some very special features from the meteoritical/mineralogical perspective. Kamacite and taenite are, of course, available in abundance. Schreibersite and lesser amounts are troilite are the most prominent of the minor constituents. However, most surprising was the discovery of phosphate-rich inclusions which included two new phosphate minerals — brianite and panethite. These new minerals are two of several phosphates discovered in iron meteorites during the past few decades.

Dayton is a member of the large newly consolidated 'IAB complex' consisting of 274 iron meteorites. Dayton itself is part of the IAB-sLH (low Au, High Ni) subgroup of only 10 members as of late 2014.

As of 2,000 the main mass (24 kg) remains with the National Museum in Washington. However, several moderate pieces have been provided to the Field Museum in Chicago, the Arizona State collection in Tempe, and the Australian Museum in Sydney.


Mineral List


9 valid minerals. 2 (TL) - type locality of valid minerals.

Meteorite/Rock Types Recorded

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Alphabetical List Tree Diagram


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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Fuchs, L. H., Olsen, E. & Henderson, E. P. (1967) On the occurrence of brianite and panethite, two new phosphate minerals from the Dayton meteorite. G&CA 31 (10): 1711-1719. (Oct 1967)
Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam, London: New York. 245 pages.
Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
McCoy, T. J., Keil, K., Scott, E.R.D. & HAACK H. (1993) Genesis of the IIICD meteorites: Evidence from silicate-bearing inclusions. Meteoritics 28 (4): 552-560 (Sept 1993)
McCoy, T. J., Steele I. M., Keil K., Leonard, B. F. & Endreß, M. (1994) Chladniite, Na2CaMg7(PO4)6: A new mineral from the Carlton (IIICD) iron meteorite. American Mineralogist 79 (3/4): 375-380. (March/April 1994)
Grady, M. M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.

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