GMS Field Trip
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Eocene Fossils in Georgia
Saturday, September 25, 2016
What a trip! Because of the nature of quarry work, even the quarry people did not know where we would be collecting until a few days before the trip, and even then the location changed the day of the trip. Thanks to Tom Batcha's presentation about fossils in Mid-Georgia, we had just learned about the formations we were likely to encounter as well as the kinds of fossils that can be found there. Though we could not be sure which layer we were in, we knew the fossils would be Eocene age (56 to 33.9 million years old).
There was a large turnout so we had an impressive caravan to a kaolin mine. We visited four different locations. At the first location, attendees found sharks teeth, various shell casts (steinkerns), lots of bryozoans, plus some ray plates and barbs. At the second location, there were some superb kaolin chunks that were perfect for schools. People found sharks teeth, some coral, shrimp burrow casts, and possibly some bone. Jim Haege even got me some maracasite sand! At the third location, we found mostly super sparkly maracasite and we got to see the strata. Unfortunately, I missed the fourth location because of an errant caravan. People who went said there was pink kaolin and they got to see some large mining equipment.
Many thanks to quarry personnel for allowing us to visit their mine! Thank you to Diana Poppelreuter for baking the best cookies. And a big thank you to Terrilyn Price, who was instrumental in getting the field trip arranged.
Lori Carter
On behalf of Charles Carter, GMS Field Trip Chair
e-mail:
Location 1
Photos by Lori Carter
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Fossils on display at the quarry office
Photos by Lori Carter
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This berm was full of bryozaons
Photos by Lori Carter
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Plenty of room to collect
Photo by Lori Carter
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Beautiful view from the collecting area
Photo by Lori Carter
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Nice gastropod, probably a steinkern (internal cast)
Photo by Lori Carter
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The kaolin was a little too compacted to screen, but fossils could be found on the surface
Photo by Lori Carter
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Mike Reagin found this urchin fragment and a perfect shark's tooth
Photo by Lori Carter
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Al Klatt found this tooth and part of a stingray barb
Photo by Lori Carter
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David Bruce found several teeth and ray plates and part of a barb plus a huge tooth!
Photos by Lori Carter
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Some juniors found these impressive teeth
Location 2
Photo by Lori Carter
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Quarry view from the collecting site
Photos by Lori Carter
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Jason Leatherwood found this superb coral
Photo by Lori Carter
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The Nims were busy finding fossils
Photo by Lori Carter
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Note the dark areas on the ground -- that's the marcasite sand i.e. decomposing marcasite
Photo by Lori Carter
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Fantastic tooth! (forgot who found it though...)
Photos by Lori Carter
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Chris Glass found this trace fossil, possibly part of a burrow
Location 3
Photos by Diana Poppelreuter
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The strata was very clear
Photo by Diana Poppelreuter
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Surrounded by kaolin
Photo by Diana Poppelreuter
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Driving inside the quarry
Photo by Lori Carter
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Searching for marcasite
Photos by Lori Carter
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Lots of sparkly marcasite
Terrilyn's Finds
Photo by Terrilyn Price
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Large trace fossil -- some type of burrow
Photo by Terrilyn Price
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Matrix piece with several gastropods
Photo by Terrilyn Price
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Assortment of shells
Photo by Terrilyn Price
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Top: Cephalopods?
Right: Possible bones
Middle: Sharks' teeth
Bottom: Ray mouth plates
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