Coppermine may refer to:Coppermine Peninsula, Antarctica Alanngorsuaq Fjord, also known as Coppermine Bay, Greenland Coppermine Herald, one of the heralds at the Canadian Heraldic Authority Coppermine expedition (1819–1822), a British overland undertaking to survey and chart the area from Hudson Bay to the north coast of North America, eastwards from the mouth of the Coppermine River. Coppermine River Group, a sequence of Mesoproterozoic continental flood basalts, Nunavut and the Northwest Territories Coppermine River, in Nunavut and the Northwest Territories Kugluktuk, Nunavut, formerly known as Coppermine Pentium III, a microprocessor code-named "Coppermine"