Parent materials mode of meposition in British Columbia

Alluvial

An alluvial flood plain shaped by repeated river flooding.

Alluvial

Alluvial material deposited by modern stream water: variable deposit of sand, silt and clay.

Colluvial

Colluvial material deposited by direct gravity induced movement. Variable deposit ranging from clay to boulders.

Fluvioglacial

Fluvioglacial material deposited by flowing glacial meltwater. Mostly sand and/or gravel.

Lacustrine

Lacustrine material deposited by glacial lake water. Mostly silt and clay.

Morainal

Morainal material deposited by ice. A mixture of boulders, stones, sand, silt and clay.

Organic

Organic material deposited when accumulation exceeds decomposition. Stratified deposit of peat.