Rock ID Please

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sybaris

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Rock ID Please

Attached is a picture of some rocks in an aquarium . Their texture makes them look like mountain sized formations. Many thanks if you can ID them.

 

 

sybaris

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The photo attachment didn't

The photo attachment didn't work so here's another attempt at posting the rock picture

 

http://farm4.static.flickr.com/3265/3108328154_ecf7e168b1_o.jpg

hypocentre

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Almost impossible

It's almost impossible from the photographs. If I was forced to make a guess I'd got with a psammite (metamorphosed sandstone) but it is a very long shot.


Geologists like a nappe between thrusts

Boogie

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Most aquarium rocks that

Most aquarium rocks that I've seen that are that size are formations composed mainly of acrylonitrile-butadiene-styrene or equivalent.

sybaris

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Aquarium Rocks

Boogie wrote:

Most aquarium rocks that I've seen that are that size are formations composed mainly of acrylonitrile-butadiene-styrene or equivalent.

That's nice and thanks for your response. I was able to track down the owner of the tank in the picture some time ago and he said he got the rocks from an abandoned quarry in Pennsylvania. I'll post the type of rock if I can find his email.

 cheers!

 

Boogie

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I apologize

sybaris wrote:
Boogie wrote:

Most aquarium rocks that I've seen that are that size are formations composed mainly of acrylonitrile-butadiene-styrene or equivalent.

That's nice and thanks for your response. I was able to track down the owner of the tank in the picture some time ago and he said he got the rocks from an abandoned quarry in Pennsylvania. I'll post the type of rock if I can find his email.

 cheers!

I must apologize as I was being a smart alec.

Acrylonitrile-Butadiene-Styrene is ABS plastic. I've seen several aquarium scenery rocks made of plastic because of the weight involved in such a large stone. Plastic (but very realistic looking) aquarium scenery makes it much easier to maintain and clean the aquarium. I mistook the rock in your photo for a plastic replica.

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