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My wife and I returned from a great trip to north Florida about a week and a half ago, but I finally have time to post a trip report now that our Easter visitors (our kids) have left and headed back to their homes. Fair warning, if you are looking for some great tale of finds on the Peace River, this is not the post for you! Probably one of the few posts on the Forum from a trip to Florida that does NOT include the Peace –. This was not solely a fossil trip, but rather a sight-seeing trip with some fossils stops included, I try to include as many stops as possible but it is always a delicate balance. My wife enjoys fossil hunting (but her tastes are somewhat limited, primarily trilobites and sharks teeth), but not as much as I do, and she therefore reaches her limit much quicker than I, so I try to find the best spots I can and space them out and we both have a good time. I had sent away for and received my Florida Fossil Permit a couple months back in anticipation of the trip, and then half way between Texas and Florida I realized I had left it at home – doh!! I wasn’t overly concerned though as the main focus of the trip was invertebrates and sharks teeth, neither of which actually require the permit to collect in Florida. Oh well, it was the thought that counts! I had done a bunch of research heading up to the trip and consulted a few FF members for advice (more on that in a bit) so I had a list of potential sites many of which had reported fossils in the past, but the current state was uncertain. I was trying to get a selection of Eocene through Quaternary sites to collect and was not coming with a canoe or kayak which quickly limits the collecting places in North Florida. Enough babbling, on with the trip report! Our first stop was on our way to Florida Caverns State Park at a river side bluff of the Marianna Limestone (Oligocene aged). This is in fact the type section of the Marianna Limestone, but time has not been kind to this exposure. Between development and vegetation, there was virtually no exposed rock but I did manage to find of few pieces of the formation strewn about and the one large chunk shown below on the left contained the large foram Lepidocyclina along with other fossils. There was also a mostly complete bivalve in a small piece. All of these need cleaned up and I hope the large rock will hold some more goodies that can be exposed once I have the chance to look at it closer. The visit to Florida Caverns State Park was very nice. I was pleasantly surprised as I did not know Florida had a cave like this. I have been in most of the large cave systems in the US, and this one had bats and nice cave formations even though it is not a particularly large cave. The ceiling rock in places is just rich with fossils as you can see in the picture below. There was even a sharks tooth sticking out at one place, but I did not get a good picture of it. Next on the list were several stops to try and find a decent exposure of the Miocene Chipola Formation which is present across the northern part of the Florida panhandle from Walton to Gadsden counties. Unfortunately, development, vegetation and high water in the creeks/rivers prevented me from accessing any of the fossiliferous portions of the rocks at four different stops, including one I had been to a couple of decades ago and collected some beautiful fossils. I’ll show below some Chipola fossils that although they were not collected on this trip, they are some of the 30 species of bivalves and 38 species of gastropods I collected from a location in Calhoun County many years ago but was unable to access this trip. A quick search of TFF will yield many other beautiful Chipola specimens by other members in albums, etc. After another State Park or two we were headed on down the road to our hotel with not much in the way of fossils to show for the day. Out of the corner of my eye, I noticed a random pile of dirt along the road with suspicious white blobs. A quick stop resulted in several fossils out of what is presumably the Ocala or Suwannee Limestone from a nearby quarry, including one echinoid that needs a good cleaning before I can tell what it is. I’ll have to ID the items I found and see if I can determine which formation these are from. In north Florida, this constitutes a major “outcrop”!
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this piece was found on the chipola river in Jackson county florida. im not sure if its a fossil or not. any ideas will help me research further. thanks
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Reference Gardner, Julia A. 1937. "The Molluscan Fauna of the Alum Bluff Group of Florida. Part VI - Pteropoda, Opisthobranchia, and Ctenobranchia (In Part)," U. S. Geological Survey Professional Paper 142-F.
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Reference Gardner, Julia A. 1937. "The Molluscan Fauna of the Alum Bluff Group of Florida. Part VI - Pteropoda, Opisthobranchia, and Ctenobranchia (In Part)," U. S. Geological Survey Professional Paper 142-F.
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Reference Gardner, Julia A. 1937. "The Molluscan Fauna of the Alum Bluff Group of Florida. Part VI - Pteropoda, Opisthobranchia, and Ctenobranchia (In Part)," U. S. Geological Survey Professional Paper 142-F.
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Reference Gardner, Julia A. 1937. "The Molluscan Fauna of the Alum Bluff Group of Florida. Part VI - Pteropoda, Opisthobranchia, and Ctenobranchia (In Part)," U. S. Geological Survey Professional Paper 142-F.
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Screen washed collection of bulk sediment.
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Screen washed collection of block sediment
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Reference Gardner, J. 1947. “The Molluscan Fauna of the Alum Bluff Group of Florida,” USGS Prof. Paper 142-H.
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Reference Gardner, J. 1947. “The Molluscan Fauna of the Alum Bluff Group of Florida,” USGS Prof. Paper 142-H.
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These large moon shells are common but fragile and rare to find one in perfect condition.
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One of the more common cones found in the Chipola Formation. Reference Gardner, J. 1937. “The Molluscan Fauna of the Alum Bluff Group of Florida,” USGS Prof. Paper 142-F.
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A common species in the Chipola however only 1 in ~10 has the aperture lip preserved. Reference Gardner, J. 1947. “The Molluscan Fauna of the Alum Bluff Group of Florida,” USGS Prof. Paper 142-H.
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Reference Gardner, J. 1947. “The Molluscan Fauna of the Alum Bluff Group of Florida,” USGS Prof. Paper 142-H.
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Reference E. H. Vokes. 1970. Notes on the fauna of the Chipola Formation - III. Two new species of Vasum (Mollusca: Gastropoda), with comments on Vasum haitense (Sowerby). Tulane Studies in Geology and Paleontology 8(2):88-92
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Reference Gardner, J. 1947. “The Molluscan Fauna of the Alum Bluff Group of Florida,” USGS Prof. Paper 142-H.
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Reference S. E. Hoerle. 1972. Cerithiidae and Potamididae (Mollusca: Gastropoda) from the Chipola Formation of northwestern Florida. Tulane Studies in Geology and Paleontology 10(1):1-22
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This specimen demonstrates a spotted color pattern. Reference L. Dolin. 1991. Cypraeoidea and Lamellarioidea (Mollusca: Gastropoda), from the Chipola Formation (late early Miocene) of northwestern Florida. Tulane Studies in Geology and Paleontology 24(1-2):1-60
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I was wondering if it would be possible and what the benefits might be to form a fossil hunting group here in the panhandle? It might help us to get a better idea of what was actually here. I only know of a few papers and some book mentions that include the panhandle and most are from the 30's t0 50's and are mostly shells. We'd need a real paleontologist also.