Stargirldd Posted September 7, 2013 Share Posted September 7, 2013 We just purchased some land in Fannin county. Some of he garden beds are lined with these unusual rocks. I know they are some kind of limestone, but what are they? They are bowling ball large. Someone mentioned that they might be some fossilized sponges, but since they line he gardens, I wonder if they are manufactured. Link to comment Share on other sites More sharing options...
mikeymig Posted September 7, 2013 Share Posted September 7, 2013 Called septarian nodules or turtle rocks and they are natural. mikey Many times I've wondered how much there is to know. led zeppelin Link to comment Share on other sites More sharing options...
Herb Posted September 8, 2013 Share Posted September 8, 2013 Ditto,nice ones though "Absence of evidence is not evidence of absence"_ Carl Sagen No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go. " I think, therefore I collect fossils." _ Me "When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes "can't we all just get along?" Jack Nicholson from Mars Attacks Link to comment Share on other sites More sharing options...
Ramo Posted September 8, 2013 Share Posted September 8, 2013 Those look exactly like the ones found in central Kansas in the Blue Hill Shale. The locals call them "Thunderbird Eggs" For one species to mourn the death of another is a new thing under the sun. -Aldo Leopold Link to comment Share on other sites More sharing options...
Ludwigia Posted September 8, 2013 Share Posted September 8, 2013 https://www.google.de/search?q=septarian+nodules&client=firefox-a&hs=Kav&rls=org.mozilla:de:official&tbm=isch&tbo=u&source=univ&sa=X&ei=jyYsUpfHOczBtAa_w4HABg&ved=0CEkQsAQ&biw=1600&bih=753 Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Stargirldd Posted September 12, 2013 Author Share Posted September 12, 2013 Thanks for the info. We have discovered them all over our property! They are all the size of a bowling ball. Link to comment Share on other sites More sharing options...
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