Tectonic Unit: Qc Name: Clearwater Description: alkaline to tholeiitic olivine basalt flows, pyroclastics volcanoes and cones; contains lherzolite nodules; nonmarine Formation: Coast Belt Q Lake Island Intermontane Belt Q Aiyansh Omineca Belt Q Clearwater Age Range: Quaternary Maximum Age: 1.6 Ma Minimum Age: 0.0 Ma