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Showing results for tags 'layered'.
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Hi again Folks, the King of the Worn-Down Shark Teeth here; ’Found this among the shark teeth today and I decided to ask the Experts before throwing it away.😀 Measurement in centimeters. Thanks.
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- 3 replies
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- historical
- layered
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Can anyone explain the process that creates these? I can't seem to find much information. I understand that these are NOT stromatolites, whose layering comes from the action of bacteria. So, what is the geologic process responsible for these....especially in the case of the one with the double layering? I call that an interference pattern. About 35 years ago, I was gifted with a couple of these that are both approximately 3 inches in diameter. They were found up in Nova Scotia. The ones in the following images I found this past summer here in Schuyler County, NY, in glacial till. I actually have a whole plastic bin full of them, of all different sizes. The highest percentage are angular, rather than rounded like these. As far as images in google searches, or specimens for sale on sites such as online, all I really see are small samples. I wonder why. Are they uncommon? They certainly are very attractive, at least in my opinion. I have become quite addicted to them and I would like to learn more about them. Thanks for any input.
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While out rock hounding this weekend...I came upon this unique find. Discovered in SE South Dakota down an old minimum maintenance / tractor road. I believe it to be petrified wood...or is it a unique geological specimen?? What are your thoughts???
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Interesting oval, multi-layered rock found on lakeshore in southern Minnesota. Could this be a fossil?
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Found this at seashore in Vir, Croatia (Northern Dalmatia), the stone is about 10cm on the longest side. Thought it'd be some fossils (because I got no clue about fossils) but now it looks more like a regular stone embedded with some softer pebbles that crumbled away with time (probably because of sea currents). Could anybody confirm that?
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Not exactly sure what this is (not a paleontologist- or even a collector as my username suggests). I was wondering if it was coral or fossilized honeycomb or something entirely different. Any help would be appreciated.
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Hi I was wondering if anyone could tell me what this is? I found in my yard in Harwich Massachusetts. I just started collecting rocks/minerals/crystals and been coming across this a lot lately. Thank you so much for your time!!!
- 13 replies
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- black rock layers
- breaks easily
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I found this in a dry rocky area of the North Sulphur River of Ladonia, Texas. Appears to be a half section of a layered cylinder of some sort compressed together. Any ideas?
- 16 replies
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- cretaceous
- fossil
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Hello, Let me start by apologizing for not reading the FAQ. I wanted to but I couldn't find it. I even searched in forums. I pulled down the menu on the right upper corner several times. I live in northwest Arizona, about 25 miles south of the grand canyon. I recently acquired the neighboring 40 acres to me. Tons of fossils. But he left me these large green rocks and that's what this posting is about. I took this picture today, cloudy and just to send to my brother but then I remembered this site, so here I am. Any ideas on what these 3 green rocks are?
- 15 replies
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- green petrified wood
- layered
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I found this in Northwest Georgia on a farm. It appears to be a large smooth snail shell with the snail protruding out, Its very cool I just dont know that much about it. The rock itself appears to be made up of layers and is very heavy, maybe from the cretaceous period which would make it 100 million years old at least, It was under the ground maybe two feet. Id say it ways about 12 pounds, If yall could tell me more about it I would appreciate it. PM me or email me at leviself <AT> att.net