Mount McNeil is a

rhyolite Rhyolite ( ) is the most silica-rich of volcanic rocks. It is generally glassy or fine-grained (aphanitic) in texture (geology), texture, but may be porphyritic, containing larger mineral crystals (phenocrysts) in an otherwise fine-grained matri ...

lava dome In volcanology, a lava dome is a circular, mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. Dome-building eruptions are common, particularly in convergent plate boundary settings. Around 6% of eruptions ...

, located 41 km west of

Carcross Carcross, originally known as Caribou Crossing, () is an unincorporated community in Yukon, Canada, on Bennett Lake and Nares Lake. It is home to the Carcross/Tagish First Nation. It is south-southeast by the Alaska Highway and the Klondike High ...

and 7 km south of Mount Skukum,

Yukon Territory Yukon () is a 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 westernmost territory and the smallest ...

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

. It was formed during the

Cenozoic The Cenozoic Era ( ; ) is Earth's current geological era, representing the last 66million years of Earth's history. It is characterized by the dominance of mammals, insects, birds and angiosperms (flowering plants). It is the latest of three g ...

eruptions of the Skukum Group.

References

Mount McNeil
in the Canadian Mountain Encyclopedia McNeil, Mount McNeil Lava domes of Canada {{Yukon-geo-stub

See also

References