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Showing results for tags 'cook county'.
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Fossil Hunting Trip on the shores of Lake Michigan, Illinois December/5/2022
Joseph Fossil posted a topic in Fossil Hunting Trips
On Monday I went on a little trip to one of my top secret places to fossil hunt on the shores of Lake Michigan. It's a small beach in Northeastern Cook County, Illinois which I've always found lots of Silurian aged fossils. (1) This trip was no different!! https://silurian-reef.fieldmuseum.org/narrative/392 I found a large amount of small but pretty interesting Silurian fossils which demonstrate the diversity of reef supported aquatic life in the Chicago land area 444 to 419 million year ago during the Silurian era! (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20)- 14 replies
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North Texas Central Cook County Antlers Sand Formation
Creek - Don posted a topic in Fossil Hunting Trips
Nice weather here in Texas today. Took a advantage of the warm weather (70's) and went out fossil hunting near the Texas - Oklahoma border nearby Red River. Area is a mixed Antlers and Goodland formation which sort of overlaps each other. Sometimes you will see Antlers Sand formation above the Goodland formation, etc.,. I came across what appears to be a impressive Antlers Sand formation sandstone cliff. These deposits seems to be a fluvial deposits from early Cretaceous period. I could see the river pebble stones embedded in the cliffs. Measured cliff height of about 120 feet. I don't know much about the Antler formation deposits, but from what I read on the Internet dinosaur fossils were found there. Can somebody substantiate that?- 7 replies
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