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Showing results for tags 'colonial coral'.
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Found on Llanddwyn beach in North Wales, is it colonial coral? Would it look even cooler if I cracked it open or would it ruin it? There is what appears to be sand in the rock, but I’d like to also know what kind of rock the black part is. Thanks for any help! Desperate to know! IMG_5385.MOV
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- colonial coral
- beach
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Greetings from Ireland. I'm not a fossil person, so could I get an ID on this please? This is from limestone pavement in County Mayo, Ireland. What fascinated me was that it is still 3D, standing proud 0.5cm of the pavement, while the 'valves' are somewhat intact and hollow to a degree. I'd be more used to seeing 'flat' fossils in 2D, if you know what I mean. The card is 8.5cm long, so this spécimen is 17x17cm. Other examples were elongated, approx 17x26cm, while others were smaller. Thank you.
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- lower carboniferous
- colonial coral
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Some more fossils that I acquired from fellow members of the local rockhound club, a couple who spend their Winters down there (except this past Covid year). I've got the location info but not the accurate stratigraphic info nor IDs. These are from two different locations in the Payson area. According to the maps in Gem Trails of Arizona (which the couple used to find the sites), the horn corals are from a spot along a road on the way to 'Agate Mountain', and the colonial types are from Houston Mesa, "right at the top of the hill". I don't know if the two locations are the same formation, or...? (I guess they are all Naco Fm/Group(?) but more specific info is harder to find and I can see myself spending several more hours tracking it down.) Agate Mtn: Houston Mesa:
- 14 replies
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- naco
- pennsylvanian
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My daughter and I took advantage of the unseasonably warm temperatures over Christmas to go rockhounding at a nearby beach. She found what looks like a colonial corals. At first I thought they might be rugose, but they're smooth, not wrinkled and each corallite has this round "cap" on. So then I thought of syringopora, but I think for that the corallites are too large. Also, the individual corals grow/point into all different directions. That made me think that they might not have grown together, but were just deposited into a heap. What do you all think? detail of the area just below the darkish top: small vug on top of one of the corals, with a bit of the structure showing:
- 33 replies
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- colonial coral
- worm tubes
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