#concretion
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stupidtwink.bsky.social
#comic #comics
guy: I HATE BEING EPHEMERAL!!! guy: I yearn for some sense of concretion!! guy 2: Concretion? Like the Concrete Mixer from Culver's, America's favorite dairy fast food chain?? guy 2, presenting a photo of a concrete mixer from culver’s: Now only $4.09 at select locations????.??!,!!!
January 29, 2025 at 3:56 PM
cormacscoast.bsky.social
Fossilized Goniatite shells, spiraling throughout this piece of shale concretion. Each one a, stone imprint of a tiny life, lived out in a tropical sea over 300 million years ago.
County Clare, Ireland.

Cormacscoast.com walking tours
June 4, 2026 at 10:06 AM
cormacscoast.bsky.social
A selection of fossilized Crinoid stems, preserved in a piece of a dark shale, concretion.
Crinoids are marine creatures, related to starfish and sea urchins.
County Clare, Ireland.

Cormacscoast.com walking tours
August 6, 2026 at 7:46 AM
moodboard.bsky.social
Concretion 8068, Luiz Sacilotto, 1980 #moodboard
January 29, 2025 at 11:06 PM
ehudkurzweil.bsky.social
“Check out this funny rock!”
“Terry that’s a 300 pound concretion.”

Otterry and OrcAT at the beach!
April 22, 2025 at 11:07 AM
cormacscoast.bsky.social
Goniatite fossil in a dark shale concretion.
County Clare, Ireland.
July 14, 2025 at 8:43 AM
cormacscoast.bsky.social
Fossilized Crinoid stalks, like cross sectioned screws and bolts preserved in a dark shale concretion.
County Clare, Ireland.

Cormacscoast.com walking tours
April 18, 2026 at 8:26 AM
cormacscoast.bsky.social
A stormbeach concretion, shaped over time in the sedimentary layers of the Cliffs of Moher and polished smooth by Atlantic waves.
County Clare, Ireland.

Cormacscoast.com walking tours
June 18, 2026 at 4:15 PM
cormacscoast.bsky.social
A Concretion that has emerged from the sedimentary stone layers that make up the Cliffs of Moher and been bounced around the shore a bit.
County Clare, Ireland.

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April 11, 2026 at 8:36 AM
iangaston.bsky.social
A wonderful display of concretion and am guessing there’s a fossil hidden inside.
January 14, 2026 at 2:03 AM
cormacscoast.bsky.social
Positive and negative Goniatite fossil imprints in this broken concretion piece.
County Clare, Ireland.

Cormacscoast.com walking tours
June 23, 2026 at 8:32 AM
cormacscoast.bsky.social
Fossilized Goniatites in a shale concretion.
County Clare, Ireland.

Cormacscoast.com walking tours
May 26, 2026 at 4:12 PM
cormacscoast.bsky.social
A Concretion that has eroded from the shale layers in the Cliffs and then been polished smooth by the sand and Atlantic waves.
County Clare, Ireland.
November 28, 2025 at 1:21 PM
bedform.org
Geologist when family member asks about the dinosaur egg they found in their yard during holiday dinner

(It’s a concretion. It’s always a concretion)
khoavuumn.bsky.social Khoa @khoavuumn.bsky.social · Dec 22
Economist when family member ask for stock tip during holiday dinner:
December 22, 2024 at 7:11 PM
cormacscoast.bsky.social
Partial Goniatite fossils, of various sizes, eroding from this concretion chunk.
County Clare, Ireland.
July 16, 2025 at 9:31 AM
cormacscoast.bsky.social
An oval concretion, with flat and rounded faces, polished smooth by waves and sand.
County Clare, Ireland.
October 12, 2025 at 10:03 AM
coastalpaleo.bsky.social
#molluskmonday A well-preserved clam (Macoma sp.) with a naticid snail boring, protruding from a fine sandstone concretion. Middle Pleistocene Port Orford Formation, Oregon.
A pair of clam shells, slightly askew, protruding from a gray sandstone concretion. There is a circular drill hole from a predatory snail in the clam.
February 16, 2026 at 5:39 PM
cormacscoast.bsky.social
A shore polished concretion, formed in an ancient delta deposit, eroded out by the action of the Atlantic and worn smooth by sand and waves.
Not sure what the name for this shape is - a 3D Trapezium?? 🤔
County Clare, Ireland.

Cormacscoast.com walking tours
August 29, 2026 at 9:22 AM
cormacscoast.bsky.social
Goniatite fossils spiraling through a piece of dark shale concretion.
County Clare, Ireland.

Cormacscoast.com walking tours

#wildatlanticway #walkingtours #discoverireland #keepdiscovering #fossil #irishfossils #goniatite #burrenandcliffsofmohergeopark #atlanticgeoparks #Ireland
September 18, 2025 at 10:18 AM
moma.bsky.social
Jean Arp, Human Concretion, 1935
https://botfrens.com/collections/14377/contents/1136101
Gift of the Advisory Committee
December 11, 2025 at 2:46 PM
kevinmgill.bsky.social
Whaddya think? Iron sandstone concretion?
The source rock of the fragment I have. Saugus Formation. A fragment of the concretion. Note the ‘crust’ at bottom. A fragment of the concretion. Note the ‘crust’ at bottom. A closer view of the concretion fragment
August 17, 2025 at 6:18 PM
cormacscoast.bsky.social
A concretion with a symbol like pattern at it's centre.
County Clare, Ireland.

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February 23, 2026 at 6:18 PM
cormacscoast.bsky.social
A storm beach tumbled Concretion from the Cliffs of Moher.
County Clare, Ireland.

Cormacscoast.com walking tours
March 1, 2026 at 11:58 AM
cormacscoast.bsky.social
The "Eye of Sauron" came to mind when I picked up this partially eroded concretion.
County Clare, Ireland.
April 15, 2025 at 4:53 PM
cormacscoast.bsky.social
A storm beach tumbled, smooth, circular concretion. Hardened nodules of material that erode from the Cliffs nearby and are polished by the actions of sand and Atlantic waves.
County Clare, Ireland.
November 9, 2025 at 1:11 PM