LBI Posted October 27, 2020 Share Posted October 27, 2020 Found this in Northern Medina County, Texas. The area I found it in is the southern edge of the hill country, going down into the brush country of South Texas. With the naked eye, these lines are perfectly straight and parallel. Can anyone tell me what these could be? The size of the area containing the lines is about the size of a US postage stamp. Many thanks. Link to comment Share on other sites More sharing options...
Ludwigia Posted October 27, 2020 Share Posted October 27, 2020 Possibly part of an ammonite shell. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Top Trilo Posted October 27, 2020 Share Posted October 27, 2020 Im not sure what it is but there are some other areas that I noticed possibly related to the fossil “If fossils are not "boggling" your mind then you are simply not doing it right” -Ken (digit) "No fossil is garbage, it´s just not completely preserved” -Franz (FranzBernhard) "With hammer in hand, the open horizon of time, and dear friends by my side, what can we not accomplish together?" -Kane (Kane) "We are in a way conquering time, reuniting members of a long lost family" -Quincy (Opabinia Blues) "I loved reading the trip reports, I loved the sharing, I loved the educational aspect, I loved the humor. It felt like home. It still does" -Mike (Pagurus) “The best deal I ever got was getting accepted as a member on The Fossil Forum. Not only got an invaluable pool of knowledge, but gained a loving family as well.” -Doren (caldigger) "it really is nice, to visit the oasis that is TFF" -Tim (fossildude19) "Life's Good! -Adam (Tidgy's Dad) Link to comment Share on other sites More sharing options...
val horn Posted October 27, 2020 Share Posted October 27, 2020 I think of calamites when I see parallel lines. the photo I inserted is described as showing calimites with a "thin rarely fossilized outerbark". To me it looks similar to the unknown fossil. Is it from a penn site, I am not familar with Medina county texas what kind of fossils are common in it? Link to comment Share on other sites More sharing options...
JohnJ Posted October 27, 2020 Share Posted October 27, 2020 The Devils River Limestone and Edwards Limestone of the Cretaceous Fredericksburg Group cover much of northern Medina County, Texas. In those formations, rudists abound. They are notorious for the many ways they can be partially observed in the rock. I think this is likely an eroded 'impression' of the interior of a rudist fragment. 3 The human mind has the ability to believe anything is true. - JJ Link to comment Share on other sites More sharing options...
LBI Posted October 28, 2020 Author Share Posted October 28, 2020 Another pic. Link to comment Share on other sites More sharing options...
LBI Posted October 28, 2020 Author Share Posted October 28, 2020 I will try and clean it up some and post more, and hopefully better pics. Thank you all for your help. Link to comment Share on other sites More sharing options...
Rockwood Posted October 28, 2020 Share Posted October 28, 2020 Ah! The odd thing found in Texas rule. Haven't seen it used in weeks. Link to comment Share on other sites More sharing options...
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