Parent Materials Mode of Deposition in the Yukon Territory
Lacustrine material deposited by glacial lake water. Mostly silt and clay.
Colluvial material deposited under influence of gravity. Mostly sand, silt and angular bedrock fragments.
Alluvial material deposited by rivers and streams: mostly sand, silt and gravel.
Fluvioglacial material deposited by flowing glacial meltwater. Mostly sand and/or gravel..
Morainal marterial deposited by ice. A mixture of boulders, stones, sand, silt and clay.
Colluvial material deposited under influence of gravity. Mostly sand, silt and angular bedrock fragments.