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5.05 The Cretaceous-Tertiary Boundary  

5. Seymour and Snow Hill Islands 5.05 The Cretaceous-Tertiary Boundary

The KT boundary is just above the scattered boulders. About one metre above this is a darker band which is thought to be due to organic matter that had accumulated when, after some 20,000 years, life had recovered from the impact of the meteorite 65 million years ago.
5. Seymour and Snow Hill Islands

June 8th 2008
One morning on the 2008 voyage we awoke to find ourselves anchored within a zodiac's ride of Seymour Island on the east coast of the Antarctic Peninsular. I had long been awaiting this moment because Seymour Island is unique in that the cretaceous/tertiary (KT) boundary, the boundary at 65 million years ago between the end of the age of the dinosaurs and the present age of the mammals, is cle ... read more
Antarctica » Antarctica

 Flag Speculation over the existence of a "southern land" was not confirmed until the early 1820s when British and American commercial operators and British and Russian national expeditions began exploring the Antarctic Peninsula region and other areas sou... ... read more
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