adam arkfeld Posted March 16, 2015 Share Posted March 16, 2015 Have been investigating a Pleistocene archaeological site here in the Northern Shenandoah Valley of Virginia. This double burin was found recently. Can the fossil on this be identified, or is it a generic shell? Link to comment Share on other sites More sharing options...
erose Posted March 16, 2015 Share Posted March 16, 2015 It is almost certainly a brachiopod but that would be as far as I think anyone would go without knowing the formation and thus age of the rock unit it came from. There are a variety of brachiopods with similar shell ornamentation throughout the Paleozoic. Link to comment Share on other sites More sharing options...
Auspex Posted March 16, 2015 Share Posted March 16, 2015 All I can suggest is that it is a brachiopod (someone here might be able to give a tighter ID), and assuming it is a local rock, it is Paleozoic in age. "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
Auspex Posted March 16, 2015 Share Posted March 16, 2015 Outdrawn by the master! Is it not unusual for a burin to be sedimentary material? "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
adam arkfeld Posted March 17, 2015 Author Share Posted March 17, 2015 Auspex, Thanks for the ID. Regarding stone type, the tool was built around the fossil. This piece was modified into a tool because of the fossil, not for the quality of lithic material. See example below. West Tofts, UK, famous handaxe is 200,000 years old, centered on fossil shell. Link to comment Share on other sites More sharing options...
Harry Pristis Posted March 17, 2015 Share Posted March 17, 2015 Auspex, Thanks for the ID. Regarding stone type, the tool was built around the fossil. This piece was modified into a tool because of the fossil, not for the quality of lithic material. See example below. West Tofts, UK, famous handaxe is 200,000 years old, centered on fossil shell. Pishposh. By definition, No evidence of human alteration, not a tool. Your 'double burin' shows no evidence of use nor of reduction by grinding or flaking. It's just a rock. The inclusion of the brachiopod is just random. Fossils exposed in knapping chert artifacts is a common phenomenon. Often, the blank being knapped is abandoned when a fossil inclusion is exposed because the fossil is a weak area of the chert. http://pristis.wix.com/the-demijohn-page What seest thou else In the dark backward and abysm of time? ---Shakespeare, The Tempest Link to comment Share on other sites More sharing options...
RichW9090 Posted March 17, 2015 Share Posted March 17, 2015 Burins are made of hard silicates which have a conchoidal fracture, and therefore can form a very sharp edge. Soft sedimentary rock simply can't be used to make a burin. The plural of "anecdote" is not "evidence". Link to comment Share on other sites More sharing options...
ArtLithic Posted September 27, 2018 Share Posted September 27, 2018 Stick to Fossils, you obviously are not recognizing an Acheulian handaxe, produced by the earliest sculptors on the planet. I recommend this: LINK Link to comment Share on other sites More sharing options...
ynot Posted September 27, 2018 Share Posted September 27, 2018 15 hours ago, ArtLithic said: Stick to Fossils, you obviously are not recognizing an Acheulian handaxe, produced by the earliest sculptors on the planet. I recommend this: From virginia? I do not see that happening. Also, the link You provide leads to some questionable "sculpture". Most look like natural rock that has a vague resemblance to something, but do not look like man altered rock. The few pieces that do look like man altered rock are knapped tools (axe or scraper), that have a vague resemblance to a picasso sculpture, but they are not. 2 Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
Aurelius Posted September 27, 2018 Share Posted September 27, 2018 27 minutes ago, ynot said: From virginia? I do not see that happening. Also, the link You provide leads to some questionable "sculpture". Most look like natural rock that has a vague resemblance to something, but do not look like man altered rock. The few pieces that do look like man altered rock are knapped tools (axe or scraper), that have a vague resemblance to a picasso sculpture, but they are not. Couldn't agree more. I find 'sculpture' like that every time I go to the beach. Link to comment Share on other sites More sharing options...
ynot Posted September 27, 2018 Share Posted September 27, 2018 10 minutes ago, Aurelius said: Couldn't agree more. I find 'sculpture' like that every time I go to the beach. You are not the only one that finds these often. See this thread.... Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
BobWill Posted September 27, 2018 Share Posted September 27, 2018 15 hours ago, ArtLithic said: Stick to Fossils, you obviously are not recognizing an Acheulian handaxe, produced by the earliest sculptors on the planet. I recommend this: Are there any accredited archaeologists associated with your work on this site? I couldn't find anything about any scientists being involved with the art exhibitions you linked to either. I love me some art but we do science here and many of our members know quite a lot about archaeology as well as paleontology. 3 Link to comment Share on other sites More sharing options...
Fossildude19 Posted September 27, 2018 Share Posted September 27, 2018 15 hours ago, ArtLithic said: Stick to Fossils, you obviously are not recognizing an Acheulian handaxe, produced by the earliest sculptors on the planet. I recommend this: @ArtLithic Welcome to the Forum. You may be used to other forms of social media, where manners are few and far between. We keep discourse here civil, and family friendly. Your post (to a 3 year old thread, btw) is a breezy dismissal of the opinions of several people who actually know quite a bit about artifacts, while giving no factual evidence to back up your theory. A link to an Art Museum is hardly substantial backing evidence of your opinion. 5 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
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