Hans Tausen Iskappe is an ice cap in northern Greenland. It is about 75 km from north to south and 50 km from east to west and sits on a 1000 m high plateau. Ice cores show it is around 3500–4000 years old. It formed since the Holocene climatic optimum of 6000-8000 BP.
Map of Hans Tausen Iskappe, Greenland
It is the source of many glaciers, including Ymer Gletscher, Lurgletscher and the Tjalfe Gletscher. It is a well studied ice cap, and is important to understanding the last Climactic Optimum. (Holocene climatic optimum)
References
Hans Tausen Iskappe Wikipedia(Text) CC BY-SA