[meteorite-list] Shergotty History

[M come Meteorite Meteorites]

Hello

thanks for the help....on Nakhla you have informations
on the fall? In the work of Kicinga I not have find
many...
Matteo

--- bernd.pauli at paulinet.de ha scritto: 

> Hello Matteo and List,
> 
> "where is possible find a complete Shergotty history
> of
>  the fall? In the web I have find to much few
> material."
> 
> This will be difficult because information about the
> fall and
> find circumstances is rather scanty. Here is what I
> can offer:
> 
> (Translation German => English, B. Pauli):
> 
> The Shergotty and Gopalpur Meteorites (excerpt)
> 
> By G. Tschermak, Member of his Majesty's Academy of
> Sciences
> 
> (with 4 tables and 2 woodcuts)
> 
> (Presented at the meeting of 22 February 1872.)
> 
> In 1867, the k.k. Mineralogical Museum acquired some
> fragments of the aforesaid
> meteoric stones through the kindness of Dr. T.
> Oldham in Calcutta. Later the Indian
> Museum in Calcutta kindly sent three photographic
> pictures of the second meteorite
> in its original state and a plaster cast as well. I
> am very pleased to extend my
> appreciative thanks to the honorable senders now
> that the mineralogical examination
> has been successfully carried through with rewarding
> results.
> 
> Shergotty
> 
> This meteoric stone fell on 25th August 1865 at 9
> o'clock a.m. near Shergotty close to
> Behar in Eastern India. It has been reported  that
> the weather was calm and the sky
> cloudy when a loud sonic boom was heard and then a
> stone fell and buried itself knee-
> deep in the ground. When the stone was recovered
> [from the impact hole], it was broken
> in two pieces.
> 
> There is no information on the accompanying
> circumstances. The fragment in the Vienna
> Museum is a somewhat roundish, rather angular edge
> of the stone and thus displays a
> fusion crust on three sides, the remaining parts
> showing a grainy texture. The crust is
> pitch-black and glossy, resembling the crusts of the
> meteorites Stannern, Juvinas, Jonzac.
> 
> The melt droplets are prominent in many places and
> partly seem to be arranged parallel to
> each other. In some places the substance of the
> crust has penetrated the interior a little.
> The appearance of the crust makes it likely that the
> stone belongs to the group designated
> as eucrite(s) by G. Rose. This group, as is widely
> known, comprises only a few members.
> 
> The broken surface is distinctly grainy, the grains
> being almost of equal size, the broken planes
> displaying a yellow-gray color. The coherence is
> minor. The stone easily crumbles. Melting the
> stone results in a black, glossy glass.
> 
> Cheers,
> 
> Bernd
> 
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