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kevinnix

help with ID please

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kevinnix

hi all, a member of my local fossil club is wondering if the specimen he found in the bottom of a dam in Calgary, Alberta, Canada, might be a fossil, or just a mineral. The specimen is about 3 inches round. Sorry, but the 2 photos i have are only of a standard quality.

cheers, kevin

IMG_3256.JPG

IMG_3255.JPG

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Darktooth

I think this  is a piece of banded gniess.

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Bguild

looks geologic to me.

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ynot

Agree with geologic not fossil.

Tony

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snail

nice rock!

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Ludwigia

Like darctooth says, some kind of banded metamorphic pebble

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fifbrindacier

I agree this more look like geologic than fossil.

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kevinnix

thankyou everyone for your answers, very helpfull

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Vieira

Not a fossil, only geologic.

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Plax

I don't think there are igneous or metamorphic rocks in the area but guess that the river could transport something from a long way off. This doesn't look like any banded gneiss that I've seen, (not that it couldn't be). If we could get a sharply focused close up it would help.

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supertramp
On 19/12/2016 at 3:34 PM, Plax said:

I don't think there are igneous or metamorphic rocks in the area but guess that the river could transport something from a long way off. This doesn't look like any banded gneiss that I've seen, (not that it couldn't be). If we could get a sharply focused close up it would help.

I agree;

it would be useful to have more detailed images, since it seems that the green section has a phaneritic crystal structure, with concentric layers of another white specimen;

just a suggestion., but since it’s similar in appearance to many other minerals, I would say, with the greek word, that it’s “deceitful” :) (apatite)

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