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Garhi Yasin meteorite, Sukkur District, Sindh, Pakistan

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Latitude & Longitude (WGS84): 27° 53' North , 68° 32' East
Latitude & Longitude (decimal): 27.8833333333, 68.5333333333
 
Iron meteorite, Octahedrite w. silicate inclusions(IIE, Om)
Fall, Jan 1917; 380 g

After a fireball and detonations a relatively small iron meteorite (5x 4.5x3.5 cm) was recovered. The entire mass is covered with a somewhat uneven fusion crust suggesting that another small fragment may have fallen off during flight. Inside are found an octahedral structure dominated by (mildly martensitic) kamacite with plessite and taenite representing only about 10% of the meteorite [Ni 8.3%]. Schreibersite is found as in boundary veins and as blebs in plessite. Uncharacterized silicates were noted by Buchwald (1975). Indeed, while oxides in the fusion crust were recorded, other common phases were not reported by Buchwald in the available samples of this apparently seldom studied meteorite.

Garhi Yasin is one of only 2 witnessed IIE falls. The 22 IIE irons are a relatively small group, but a few of the more massive members have received some attention. The main mass is at the Natural History Museum (London).

Mineral List



7 entries listed. 4 valid minerals.

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References

Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.

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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