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Showing results for tags 'maysvillian'.
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A nice Dictyonema flabelliforme dendroid graptolite from Oslo Fields in Norway. It's Tremadoc, Lower Ordovician in age and is thus maybe around 480 mya. Another angle :
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I spent yesterday trying out a location along the southwest corner of Tug Hill Plateau in Oswego County NY. There is a road cut exposure that is very weathered. Lots of crumbly mud- and silt-stone, interspersed with sandstone. I couldn’t get very low on the exposure because the river that the highway crosses was high, no shelf or margin of error to climb down. On the Rockd app, this is supposed to be late Ordovician Pulaski and Whetstone gulf, and I wanted to find trilobites. I think I found one fragile flexicalymene, Prasopora (chocolate drop bryozoan), and a big orthocone. Very few trilobite remains in any layer I examined. I hope to return this summer when the water of the river is low...
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- bryozoan
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