domino77
off to a rocking start
Member since August 2006
Posts: 3
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Post by domino77 on Jul 5, 2007 23:52:50 GMT -5
Hello all.... Looking to see if I can get some ideas on what these may be. This first one was a round rock that I hit with a hammer. the second one is weird, its hollow and about the length of a human finger. The last rock reminds me of tar or something to that nature, but the dry creek I found it in was out in the middle of nowhere, far from any construction type sites. thanks for looking at my finds.... I appreciate any comments!! Dom
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181lizard
Cave Dweller
Still lurking :)
Member since December 2005
Posts: 2,171
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Post by 181lizard on Jul 6, 2007 13:20:22 GMT -5
Might the second one be a fossil? Third one looks like some meteorites I've seen. Does a magnate stick to it?
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cleo12797
spending too much on rocks
Member since April 2007
Posts: 279
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Post by cleo12797 on Jul 6, 2007 15:54:12 GMT -5
The first one looks kind of like some type of chert to me. That last one does look like a meteorite. Is it unusally heavy for it's size? Like Liz said, see if a magnet will stick to it. Otherwise, if it is light, it could be a piece of tektite.
Ang
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Post by larrywyland3 on Jul 7, 2007 15:29:18 GMT -5
The last one could be a slag from a ore smelter. There is a rock name for it, but I can't recall it right now. Basically it is formed in the chimneys of smelters (cooking rock to get the metal out of it) As the rock gets hot enough to melt out the metal other minerals go up the chimney and then for a mineral deposit on the walls. This needs to be chipped out and was toss "over the hill". All the ones I have seen have a flat side or look to be broken off or split on one side. You can get the bumpy dimply one or more sides.
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181lizard
Cave Dweller
Still lurking :)
Member since December 2005
Posts: 2,171
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Post by 181lizard on Jul 8, 2007 14:09:46 GMT -5
The second one ...might it possibly be fossilized coral? I saw some at Handleys the other day & they had some tubey looking things just like yours. Most of the core were not as clean as the one you have but some had hollow areas.
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