MeargleSchmeargl Posted June 19, 2019 Share Posted June 19, 2019 Hello again, my fossiling friends! It has been quite some time, between graduation, moving, and preparing for a vacation to Sicily to watch active volcanoes do their thing, schedule's been pretty loaded. Since the last time we talked, I was able to fit a visit to Dalton/Chatsworth before school ended, but I never got around to posting it. Ever since I was able to talk to Thomas Thurmon at my last PAG meeting, we were looking to hit the Tivola Limestone in Perry GA as he has had experience with it before. After a rain-induced postponement the week prior, we were able to make the trip this past Saturday, and boy did the Tivola not disappoint. We arrived on the roadside to pleasant weather and a short hike to the main area. Loggers had recently been in the area, as evidenced by a number of downed trees lying around. As we hiked, it didn't take long for Thurman and I to start finding Periarchus bits to take with us (while my step-grandpa was bewildered by how quickly we could spot them ). After emerging from what was left of the forest, we had a view of our destination: Being a long since abandoned quarry, the area was huge and quite a sight to behold. Thurman guided us to an access point where we could climb down to the best of the Tivola goodness, picking up Pectens and Periarchus along the way. The inside of the pit had a huge array of goodies, with Pectens, Periarchus and more in good supply. Cont. 6 Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 19, 2019 Author Share Posted June 19, 2019 (edited) Among the spoils was this bivalve, one Thurmon had never seen before in the area: Thurmon took it with him to see about an ID at some point (any hints?). After a good few hours searching away, I had quite a few new pieces to show off for it: As for the individual photos, I only have a few, as I was only able to get a few in between moving things today. I've pretty much confirmed I have a soft spot for scallops this trip, having gotten quite a few from the site. Here are a few of the best in-situ Pecten Perplanus (not sure, confirmation?) I got! Cont. Edited June 21, 2019 by MeargleSchmeargl Optimizing photo quality 4 Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 19, 2019 Author Share Posted June 19, 2019 And here is the best Periarchus pileussinenis I found with a scallop bit and another sand dollar in the matrix: Cont. 7 Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 19, 2019 Author Share Posted June 19, 2019 And last but not least for what I snapped pictures of today, another mystery bivalve! More images will be on the way tommorow of the rest! 5 Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
The Amateur Paleontologist Posted June 19, 2019 Share Posted June 19, 2019 (edited) Nice field trip report That Periarchus looks really nice! Looking forward to the next photos! -Christian Edited June 19, 2019 by The Amateur Paleontologist Opalised fossils are the best: a wonderful mix between paleontology and mineralogy! Q. Where do dinosaurs study? A. At Khaan Academy!... My ResearchGate profile Link to comment Share on other sites More sharing options...
Fossildude19 Posted June 19, 2019 Share Posted June 19, 2019 Good report and nice finds/photos. Thanks for posting it. 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...
Al Dente Posted June 19, 2019 Share Posted June 19, 2019 2 hours ago, MeargleSchmeargl said: And here is the best Periarchus pileussinenis I found with a scallop bit and another sand dollar in the matrix: Nice finds. Some echinoid experts consider P. pileussinensis as a variant of P. lyelli. Here's a clip from Porter Kier- 5 Link to comment Share on other sites More sharing options...
Gizmo Posted June 19, 2019 Share Posted June 19, 2019 Great finds, congrats! Link to comment Share on other sites More sharing options...
ynot Posted June 19, 2019 Share Posted June 19, 2019 Looks like a good site. Pretty scenery and nice fossils, can't beat it. Thanks for sharing. 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...
Pagurus Posted June 19, 2019 Share Posted June 19, 2019 Congratulations on your graduation. Thanks for sharing your fossil hunt with us, it looks like a terrific place to explore. I'd be excited to find those echinoids, and the scallops look wonderful. Good luck with the moving, and enjoy that upcoming vacation! Start the day with a smile and get it over with. Link to comment Share on other sites More sharing options...
RJB Posted June 19, 2019 Share Posted June 19, 2019 Cute little scallops and a nice echy. must have been a fun hunt. RB Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 21, 2019 Author Share Posted June 21, 2019 On 6/19/2019 at 2:11 PM, RJB said: Cute little scallops and a nice echy. must have been a fun hunt. RB Definitely fits that bill! Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 21, 2019 Author Share Posted June 21, 2019 Finally got around to getting images for the rest of what I found (Braves game happened yesterday): My Pecten Perplanus stash (some of which can use a prep job): All the rest of the Periarchus material of the day: We also found an urchin or two: An extra bivalve here and there... Cont. Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 21, 2019 Author Share Posted June 21, 2019 And lastly, Bryozoans and other miscellaneous things: 1 Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 21, 2019 Author Share Posted June 21, 2019 Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
Al Dente Posted June 21, 2019 Share Posted June 21, 2019 3 hours ago, MeargleSchmeargl said: We also found an urchin or two: This is a dome shaped bryozoan, common in some Eocene deposits. Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 21, 2019 Author Share Posted June 21, 2019 14 minutes ago, Al Dente said: This is a dome shaped bryozoan, common in some Eocene deposits. Huh. Had Thurmon and I fooled. Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
Ludwigia Posted June 21, 2019 Share Posted June 21, 2019 Nice finds. What’s the stratigraphy of that site? Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
MikeR Posted June 21, 2019 Share Posted June 21, 2019 2 hours ago, Ludwigia said: Nice finds. What’s the stratigraphy of that site? Tivola Limestone, Upper Eocene (Priabonian) Jackson Group. I cut my fossil collecting teeth in the Tivola. Meargle Shmeargle--The Tivola is equivalent in age to the Upper Ocala Limestone in Florida. Your unknown pecten is Amusium ocalanum, very common in the Ocala, not so much in the Tivola although I have found it at that site. Your other pecten is Chlamys spillmani chlinchfieldensis. Eric is most definitely correct about the bryozoan Lunulites sp. Mike 4 "A problem solved is a problem caused"--Karl Pilkington "I was dead for millions of years before I was born and it never inconvenienced me a bit." -- Mark Twain Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 21, 2019 Author Share Posted June 21, 2019 6 hours ago, MikeR said: Tivola Limestone, Upper Eocene (Priabonian) Jackson Group. I cut my fossil collecting teeth in the Tivola. Meargle Shmeargle--The Tivola is equivalent in age to the Upper Ocala Limestone in Florida. Your unknown pecten is Amusium ocalanum, very common in the Ocala, not so much in the Tivola although I have found it at that site. Your other pecten is Chlamys spillmani chlinchfieldensis. Eric is most definitely correct about the bryozoan Lunulites sp. Mike Any papers with the species names? Went on a search the other day that came up with a few that didn't delve into too much detail, aside from mentioning a Pecten perplanus, and a few other names. Also, is spillmani clinchfieldensis a sub-species of spillmani or clinchfieldensis? Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MikeR Posted June 21, 2019 Share Posted June 21, 2019 1 hour ago, MeargleSchmeargl said: Any papers with the species names? Went on a search the other day that came up with a few that didn't delve into too much detail, aside from mentioning a Pecten perplanus, and a few other names. Georgia Geological Survey Bulletin 81 and Information Circular 46 are very useful for the Tivola. They are too large to upload to the Forum, but are free downloads from the Georgia DNR website here LINK and here LINK. 1 "A problem solved is a problem caused"--Karl Pilkington "I was dead for millions of years before I was born and it never inconvenienced me a bit." -- Mark Twain Link to comment Share on other sites More sharing options...
Monica Posted June 22, 2019 Share Posted June 22, 2019 Beautiful stuff!!! The scallops are sweet but I love that first sand dollar - what a beauty! Congrats! 1 Link to comment Share on other sites More sharing options...
MeargleSchmeargl Posted June 22, 2019 Author Share Posted June 22, 2019 1 hour ago, Monica said: Beautiful stuff!!! The scallops are sweet but I love that first sand dollar - what a beauty! Congrats! I personally am a sucker for the scallops. Sand dollars are pretty high up there, too! Every single fossil you see is a miracle set in stone, and should be treated as such. Link to comment Share on other sites More sharing options...
MikeR Posted June 22, 2019 Share Posted June 22, 2019 19 hours ago, MeargleSchmeargl said: Also, is spillmani clinchfieldensis a sub-species of spillmani or clinchfieldensis? Chlamys spillmani clinchfieldensis Harris, 1951 is a subspecies or variety of Chlamys spillmani (Gabb, 1860). G.D. Harris, the founder of the Paleontological Research Institute and first publisher of the Bulletins of American Paleontology, named the variety clinchfieldensis based upon rib differences. Much like Eric's post of Porter Kier's description of Periarchus lyelli pileus-sinensis, intergrades exist and can be found together. My experience however is that both C. spillmani clinchfieldensis and P. lyelli pileus-sinensis greatly outnumber the parent species in the Tivola. The low domed P. lyelli are much more numerous in the Bartonian whereas the sharper apex P. lyelli pileus-sinensis predominates within the Priabonian. There is a site on the Alabama River where the scutella bed of the Moodys Branch Formation underlies the Pachuta Marl Member of the Yazoo Formation. The exact interface is hard to determine but somewhere in the transition, P. lyelli gives way to P. lyelli pileus-sinensis. Mike 1 "A problem solved is a problem caused"--Karl Pilkington "I was dead for millions of years before I was born and it never inconvenienced me a bit." -- Mark Twain Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted June 29, 2019 Share Posted June 29, 2019 Nice finds! Some super bivalves and urchins but I love that Lunulites! Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
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