Erratics in Central Park, New York

Even amongst the hustle and bustle of New York City, Geological marvels can be found. I could not resist taking a photo of these 12 feet high boulders while visiting this week. Central Park is peppered with huge boulders that look precariously perched on top of the ancient glistening bedrock. These are rounded glacial ‘erratics’ that were carried by the Laurentide Ice Sheet and left stranded when the ice melted, believed to be around 18,000 years ago. The ice sheet is estimated at 2,000 feet thick, so would have likely been higher than Freedom Tower.

More on the Geology of Central Park can be found here: https://www.geo.sunysb.edu/lig/Conferences/abstracts-04/merguerian/Merguerians2004.pdf

If you have the opportunity to visit the Museum of Natural History in NY you can see one of the most complete T-Rex skeletons ever found. https://www.amnh.org/exhibitions/permanent/saurischian-dinosaurs/tyrannosaurus-rex

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