Tag Archives: Carboniferous

An Epic Geologic Competition in Cuyahoga Valley National Park

VIRGINIA KENDALL, CUYAHOGA VALLEY NATIONAL PARK (CVNP) — What an absolutely awesome day for geology in the field!!  One of my geologic mentors once told me that “every day in the field is a day of vacation”, and today proved … Continue reading

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The geological setting of Fort Necessity, Pennsylvania

On July 3, 1754, colonial lieutenant Colonel George Washington fought and lost a small battle on this site in southwestern Pennsylvania. He and his 400 men had built this makeshift fort about a month before in anticipation of an attack … Continue reading

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Wooster’s Fossil of the Week: A crinoid-rich Lower Carboniferous siderite concretion (part III — those crinoids had company)

The last installment of our analysis of a Lower Carboniferous fossiliferous siderite concretion given to the department by Sam Root. In part I we looked at the crinoid stems and calices on the outside and discuss the formation of siderite … Continue reading

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Wooster’s Fossil of the Week: A crinoid-rich Lower Carboniferous siderite concretion (part II — the inside story)

  Last week’s specimen was a Lower Carboniferous fossiliferous siderite concretion from an unknown location, but likely from the Wooster area. It was donated to the department by Emeritus Geology Professor Sam Root. The concretion has beautiful crinoids preserved in … Continue reading

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Wooster’s Fossil of the Week: A crinoid-rich Lower Carboniferous siderite concretion (part I)

Last year Wooster emeritus geology professor Sam Root generously donated the above pictured siderite concretion to our paleontology collections. He had received it from a friend who didn’t know where it came from originally so we have no location. The … Continue reading

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Wooster’s Fossil of the Week: Echinoid fragments from the Upper Carboniferous of southern Nevada

  This rock has been in my Invertebrate Paleontology course teaching collection since I arrived in Wooster. I collected it way back when I was doing my fieldwork for my dissertation on the biostratigraphy and paleoecology of the Bird Spring … Continue reading

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Wooster’s Fossil of the Week: A crinoid calyx from the Lower Carboniferous of Iowa

In honor of Echinoderm Week for my Invertebrate Paleontology course, we have a beautiful crinoid calyx (or crown, or just “head”) on a slab from the Burlington Limestone (Lower Carboniferous, Osagean) found near Burlington, Iowa. I inherited this fossil when … Continue reading

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The Lodgepole Limestone Formation

LOGAN, UTAH–Today we hiked up part of Logan Canyon along the south side of the Logan River. Towering above us on either side were massive limestone cliffs, as shown above. The thickest unit is the Lodgepole Limestone Formation (Lower Carboniferous, … Continue reading

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Sed/Strat goes local with its field trip: the Meadville Shale and the Logan Formation (Lower Carboniferous)

WOOSTER, OHIO–The traditional spring field trip in the Sedimentology & Stratigraphy course at Wooster is taken several hours south, usually in Jackson County or, as last year, in a soggy quarry outside of Dayton. This time, though, we stayed nearby, … Continue reading

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Wooster’s Fossil of the Week: A camerate crinoid from the Lower Carboniferous of north-central Ohio

Visitors often bring rocks and fossils to the Geology Department for identification. We love to solve the puzzles (or at least make the attempt), and our new friends appreciate names and ages for their treasures. (Usually. We’ve disappointed more than … Continue reading

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