Glacial striations, southern Central Park Comments. D. contains glacial erratics that can be seen in Central Park. The northward-flowing Genesee River was partially formed and rerouted by the glacial mass as the ice advanced and retreated across New York all those millions of years ago. Such evidence includes: glacial striations, glacial erosion, erratics, roche moutonee. I took this one with my normal camera & I … Features: Cambrian Manhattan Formation; metamorphic rock and glacial features; Hartland Formation. Horenstein explained that during the last ice age glaciers scraped over Manhattan's bedrock, leaving grooves and striations on the otherwise smooth surfaces in Central Park. Central Park consists of many different geologic features with noticeable evidence of glacial history. During the last ice age, glaciers dragged rocks across the surface of Manhattan's bedrock, leaving behind the groves and striations that can be seen in Central Park … Your email address will not be published. At Umpire Rock in Central Park, overlooking baseball fields, the geologist noted places where glacial ice and rubble had carved massive grooves, wider than a … Glacial flows reached down through the state, and as they receded they carved out our Finger Lakes, scenic gorges, and many of our rivers and waterfalls. Stop 10. Central Park NYC - Glacial Channel Located in New York County Image courtesy of Dr. J Bret Bennington. B. has glacially polished bedrock in Central Park. Better shot of glacial striations in Central Park . It is the most visited urban park in the United States with an estimated 38 million visitors annually, and is the most filmed location in the world. C. was buried by an ice sheet 250 meters thick during Pleistocene times. The one I posted earlier came via iPhone, and iPhone cameras are rather low in resolution, especially after pocket-lint accumulates on the unprotected lens. Stop 10.Glacial trough and striations on Umpire Rock Photo by Andrew Orgonik. The glacial striations are orientated from North to South which show the direction to where the glaciers retreated. Photo by Andrew Orgonik. Posted by Callan Bentley. Stop 10. lockwooddewitt says: 6 March 2010 at 14:22 If you accept that ice is technically a mineral (and it is), that would make glaciers enormous rocks, and the above a form of slickensides. Such rocks can be found throughout the park, including the famous "Glacial Boulder" near Inspiration Point in the park. Glacial erratics dot a field in Yellowstone National Park. Type: Park (Public). Central Park is an urban park in New York City located between the Upper West and Upper East Sides of Manhattan.It is the fifth-largest park in the city by area, covering 843 acres (341 ha). 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