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Showing results for tags 'circular'.
Found 11 results
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Hi everyone. Interesting shapes on rock. Circular shapes both indented and extruding from rock. Found in Fairfield County CT. I'm pretty new to this and have no idea what this stuff is but interested to learn whether geologic or otherwise. Thank you.
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Hi all! Yesterday I visited Formosa Reef here in Ontario (Amherstburg Formation, Lower Devonian), and I found these weird circular imprints on a few rocks - does anyone know what they are? @Kane Thanks a bunch! Monica photo with ruler for scale: close up photos:
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Garage sale find in San Antonio, TX. 2 pieces, black circular shapes are slightly concave May or may not be from TX. Please help identify. Many thanks!
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Does anyone have any clue what are embedded in this? I've never seen them before.
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Hi, I found this large stone today in a local field in the West Midlands, what would the circular marks be caused by ?
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Found on Myrtle Beach. No idea what it is or whether it's worth keeping! Ideas?
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Dear colleagues I found this strange small thin disk on the surface of the sand in the desert in Giza, Egypt (just outside Cairo). It's very thin and has concentric lines, each line being made up of small dots. I can't find anything like it on various fossil sites that I looked at. It's only 2.5cm (one inch) in diameter and very thin. Many thanks to anyone who has the time to reply, even if it's just speculation (it's fun guessing too !)
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Don't know what this is. Might be a shell
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Mystery circular, ridge and groove fossil. This fossil is a slightly oblong to circular fossil ranging from 5mm in diameter to 12mm in diameter. It is composed of a series of ridges and grooves radiating from the center to the edges. At the center, the ridges do not connect to a central point (at least in no example that I’ve found). Very few examples show the central feature, but in the best preserved of them, which appears to be complete (see photo) there is very small central circular depression and the radial ridges and groves terminate at the rim of the depression. That ex
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Hi everyone, I Stumble upon this during a rainy season, its a hilly region in the east of India. It weight almost like a stone, colored like a metallic rust and this looks like a walnut to me(but never this big size) . So if you guys got any clue Please help me out.
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Circular Donut Shaped Fossil - Lake Erie Shore, Northwest Ohio
halfchino posted a topic in Fossil ID
I need help identifying this donut / rollerskate wheel shaped fossil embedded in rock. I do not know for sure the type of rock, but could be limestone. Size is approx. 3.5 inches across. Any tips are appreciated. Thanks.
