[meteorite-list] FW: Rock identification??

[Michael Fowler]

It looks like a piece of cinderblock using ground up industrial slag as the aggregrate.

Mike Fowler
Chicago

not too far from where US Steel South Works used to be located.


> yes, that had been my first thought, mortar or concrete, however it has 
> numerous spherical glassy inclusions, and what look like larger melted 
> black glassy features. Some of the spherules are very glassy clear 
> red-brown some are opaque non glassy. I think I have just found one 
> small metallic grain. Only thing is its not normal for concrete to have 
> perfectly spherical glassy features? 
> 
> I've just uploaded another pic showing a spherule. 
> 
> The black inclusions in the pic are quite glassy looking, with vesicles 
> in them. 
> 
> http://s911.photobucket.com/albums/ac315/meteoritemark/ 
> 
> Any help appreciated with this one, it's a bit strange! 
> 
> Mark