Tectonic Unit: PJB Name: Bridge River Description: disrupted radiolarian ribbon chert, argillite, basalt, minor sandstone and limestone, serpentinized peridotite and subgreenschist to greenschist metamorphic equivalents. locally as "broken formation" and melange; marine Formation: Coast Belt Bridge River Terrane PJ Hozameen, Bridge R., Elbow Lake Age Range: Permian - Jurassic Maximum Age: 290.0 Ma Minimum Age: 145.6 Ma