(This is a concretion I found on the beach after a storm. It's a sort of sedimentary rock that solidifies around a piece of metal on the ocean floor; I mostly find them encasing old hardware, tin cans, fishing equipment, and other refuse.
But here the core is a 3 to 4 inch military cartridge, evidently surplused into the sea by the local US Navy base.
Concretions are fairly soft stones, easily broken by roasting in the woodstove or rapping with a hammer.
Which is why I left this one in place.)
But here the core is a 3 to 4 inch military cartridge, evidently surplused into the sea by the local US Navy base.
Concretions are fairly soft stones, easily broken by roasting in the woodstove or rapping with a hammer.
Which is why I left this one in place.)
Very cool! I'm going to keep a lookout for these.
ReplyDeleteWow, fascinating. I learned some new things today. Thanks!
ReplyDeleteAn unusual and thought-provoking find, nature slowly building itself around something man-made, turning discarded history into stone over time. There’s something quietly powerful in that contrast, especially when the core tells its own story of use and abandonment. Leaving it in place feels like the right choice, letting it remain part of the shoreline’s ongoing record.
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It's definitely the most interesting concretion I've found. And cause for reflection, given that I sometimes kiln a concretion in the woodstove to reduce it to an ochre powder, which I use for various things. Now that I know what could possibly be inside one, I think I'll limit that activity to small lumps.
ReplyDeleteThanks for your thoughts!
Robin
This is scary
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