Is this a fossil or???? Link down below!!!!!!!!?

Is this a fossil or???? Link down below!!!!!!!!?

Postby kelby94 » December 24th, 2013, 10:49 am

I went down near centannial, WY and picking up some interesting rocks. One was this. Is it a fossil??? I washed it and tryed scratching to see if it was dirt but nothing came off. If this is a fossil, what is it from? A fern? A leaf? An animal? Plz help. Thanks!


http://m1269.photobucket.com/albumview/albums/gf4566/fc11d730.jpg.html?o=0
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kelby94
 
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Is this a fossil or???? Link down below!!!!!!!!?

Postby connal29 » December 24th, 2013, 10:49 am

I went down near centannial, WY and picking up some interesting rocks. One was this. Is it a fossil??? I washed it and tryed scratching to see if it was dirt but nothing came off. If this is a fossil, what is it from? A fern? A leaf? An animal? Plz help. Thanks!


http://m1269.photobucket.com/albumview/albums/gf4566/fc11d730.jpg.html?o=0
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Is this a fossil or???? Link down below!!!!!!!!?

Postby dayner » December 24th, 2013, 10:53 am

I went down near centannial, WY and picking up some interesting rocks. One was this. Is it a fossil??? I washed it and tryed scratching to see if it was dirt but nothing came off. If this is a fossil, what is it from? A fern? A leaf? An animal? Plz help. Thanks!


http://m1269.photobucket.com/albumview/albums/gf4566/fc11d730.jpg.html?o=0
No!. it is not a fossil, but people think it is.
It is called a dendrite.

What looks like a leaf is actually a mineral.
It is made of manganese dioxide.

They are certainly very interesting.

Here are some links.
http://www.scienceofsand.info/sand/fossils/mysteryfossils/pseudo.htm
http://www.mindat.org/gallery.php?min=26645

http://minerals.gps.caltech.edu/FILES/DENDRITE/Index.html

http://www.flickr.com/photos/schriber/4464315666/
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