🔎 UNIDENTIFIED Meteorite Impact Ejecta?

[Rockmyworld]

Hello everyone,

I found this hunk of rock and from my amaturish research I think it's a brecia of various quartz, muscovite and maybe pyrite and sulfides (black stuff?) and was ejected from a meteorite impact. Specimen was located along the lakeshore of Lake Winnipeg along with another identical specimen smaller in size in a different location nearby.

I know a fresh cross section would be helpful but I dont want to damage the pieces as I only have two.

Any help would be much appreciated. Thank you

 

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[flinthunter]

It looks like feldspar granite to me. Notice the mica flakes? They shouldn't be there if this stone was formed by a meteor strike.

 

[Rockmyworld]

It looks like feldspar granite to me. Notice the mica flakes? They shouldn't be there if this stone was formed by a meteor strike.

Muscovite is a type of Mica so yes I did notice those but did not know that they are not known to be found in ejecta. Good to know now. Thanks for the response.