Split Rock at The New York Botanical Garden

Split Rock Front
All Photos By Gail

At the end of the Ice Age, the last ice sheet began to melt back from the New York City region about 14,000 years ago, leaving behind a layer of clays, sands and pebbles, as well boulders known a glacial erratics. Glacial Erratics are made up of rock materials not generally found in their immediate surroundings.

Split Rock Right 2

Split Rock Installation View

This large boulder, found in the Native Plant Garden at the New York (Bronx) Botanical Garden — known as Split Rock — is a glacial erratic.

Split Rock Right

Split Rock is composed of Yonkers gneiss, which is different from the local bedrock. The split in this boulder was likely caused by an ancient freezing and thawing cycle thousands of years ago.

Split Rock Detail

Photographed on New Year’s Day, 2020!

Split Rock Left

Update August 15th, 2020: We just got home from visiting the NYBG, which has recently reopened after being closed since March due the Covid 19 Pandemic. It was great to be back! I snapped a couple of new photos for this post which show the Split Rock amid the summer flora! Enjoy!

split rock summer 2020 photo by gail worley
split rock with visitor photo by gail worley
My Friend, Kat, Waving Hello!
split rock summer 2020 photo by gail worley

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