The Skukum Group is a 55-million-year-old

volcanic group A volcanic group, depending on context, is either (1) a group of related volcanoes in the form of volcanic fields, volcanic complexes and cone clusters, or (2) a stratigraphic group consisting of volcanic strata In geology and relate ...

in northern

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

and southern

Yukon Yukon () is a Provinces and territories of Canada, territory of Canada, bordering British Columbia to the south, the Northwest Territories to the east, the Beaufort Sea to the north, and the U.S. state of Alaska to the west. It is Canada’s we ...

, Canada, approximately 140 km² in size. The group is encircled by the Watson and Wheaton rivers. It is part of the larger Sloko Volcanic Province, which encompasses part of southern Yukon and

Alaska Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...

as well as northwestern British Columbia, ending around the

Stikine River The Stikine River ( ) is a major river in northern British Columbia (BC), Canada and southeastern Alaska in the United States. It drains a large, remote upland area known as the Stikine Country east of the Coast Mountains. Flowing west and ...

Andesite Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predomina ...

of the Skukum Group hosts the

Mount Skukum The Mount Skukum Volcanic Complex is an early Eocene caldera complex, located 43 km west of Carcross and 32 km northeast of Mount Porsild in the Yukon Territory, Canada. The complex composes the Skukum Group. It is a northeast-trendin ...

gold Gold is a chemical element; it has chemical symbol Au (from Latin ) and atomic number 79. In its pure form, it is a brightness, bright, slightly orange-yellow, dense, soft, malleable, and ductile metal. Chemically, gold is a transition metal ...

deposit southwest of

Whitehorse Whitehorse () is the capital of Yukon, and the largest city in Northern Canada. It was incorporated in 1950 and is located at kilometre 1426 (Historic Mile 918) on the Alaska Highway in southern Yukon. Whitehorse's downtown and Riverdale areas ...

References

Calderas of British Columbia Calderas of Yukon Chinook Jargon place names Atlin District Eocene calderas Polygenetic volcanoes Volcanic groups Geologic groups of British Columbia Geologic groups of Yukon Paleogene British Columbia Paleogene Yukon {{Yukon-geo-stub

See also

References