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Mystery to me,
Jan 6, 2024 07:20:09 #
These round boulders, how were they formed? They came from deep down in a hole being dug for the new
football stadium in Orchard Park, NY. Just wondering, like I do on many things. malvin
football stadium in Orchard Park, NY. Just wondering, like I do on many things. malvin
Jan 6, 2024 08:54:30 #
They were probably...maybe a million or so years ago, in a river. Running water does a wonderful job of weathering over time. Also, looking at the boulders, it appears that they might be composed of a of a water-soluble mineral content maybe shale because they seem to be flaking off.
Jan 6, 2024 09:15:43 #
Look like pillow lava to me... They get that shape as lava cools under the sea...
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Jan 6, 2024 11:50:32 #
malvin wrote:
These round boulders, how were they formed? They came from deep down in a hole being dug for the new
football stadium in Orchard Park, NY. Just wondering, like I do on many things. malvin
football stadium in Orchard Park, NY. Just wondering, like I do on many things. malvin
GOT IT!!
In a previous life, these were Radial Tires
Jan 6, 2024 12:41:53 #
They might be nodules that have encrusted a deceased lifeform millions of years ago. If you can crack one open you may find a fossil in it. The shale rock is a good source to search for fossils.
Jan 6, 2024 15:52:25 #
Jan 6, 2024 16:46:42 #
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Jan 6, 2024 19:57:43 #
ken_stern wrote:
GOT IT!!
In a previous life, these were Radial Tires
In a previous life, these were Radial Tires
Now you gotta know that far back it would have been bias-ply tires
Jan 6, 2024 20:40:45 #
Jan 6, 2024 21:44:29 #
Jan 7, 2024 07:50:14 #
Burtzy wrote:
They were probably...maybe a million or so years ago, in a river. Running water does a wonderful job of weathering over time. Also, looking at the boulders, it appears that they might be composed of a of a water-soluble mineral content maybe shale because they seem to be flaking off.
Jan 7, 2024 08:26:45 #
Looked like they where rolled around for a long time , glacier retreating over 10 000 yrs or more ago ???? . Could be left over from Viking bath houses .
Jan 7, 2024 09:18:12 #
I think sippyjug and others are on the track. They are, or are related to, ironstone nodules. This is harder sedimentary rock because of what I guess is a concentration of iron in them.
When a fossil is being formed in what will become shale, the organic remains l think leach out iron into the surround mud and rock, and that gets much harder. So when eroded or excavated, they come out as a round nodule, generally with a fossil inside. See for example: https://www.flickr.com/photos/blackcountrymuseums/5093108037
Years and years ago I visited a famous site called Mazon creek where you can pick these up. Some were cracked open due to weathering. Others we had to crack open with a hammer. And boy, was that rock hard!
When a fossil is being formed in what will become shale, the organic remains l think leach out iron into the surround mud and rock, and that gets much harder. So when eroded or excavated, they come out as a round nodule, generally with a fossil inside. See for example: https://www.flickr.com/photos/blackcountrymuseums/5093108037
Years and years ago I visited a famous site called Mazon creek where you can pick these up. Some were cracked open due to weathering. Others we had to crack open with a hammer. And boy, was that rock hard!
Jan 7, 2024 10:21:02 #
I would take these photos and description to the nearest University with a Department of Geology and ask them. Also, I would be quick as they might wish to obtain some before they are reburied in the construction process.
Jan 7, 2024 10:49:16 #
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