Details of Bedrock Unit
Stratigraphic Unit: lmJBwst
Details
Unique ID: f1e69b2f
Stratigraphic Unit: lmJBwst
Area (m2): 24,373,200
Era: Mesozoic
Period: Jurassic
Representative Age: Lower Jurassic to Middle Jurassic
Age (max.): Lower Jurassic
Age (min.): Middle Jurassic
Group/Suite: Bowen Island Group
Formation/Lithodeme:
Member/Phase:
Rock Class: sedimentary rocks
Rock Type: argillite, greywacke, wacke, conglomerate turbidites
Rock Characteristics:
Description: Tuffaceous sandstone, tuffaceous siltstone, argillite, graphitic siltstone with minor interbedded carbonate, lapilli tuff, andesite flows and/or sills
Belt: Coast
Terrane: Wrangellia
Basin:
Basin Age:
Project: Mid-coast
Data Source: Bellefontaine, K., Alldrick, D. and Desjardins, P.J., 1994. Mid Coast (all or parts of 92F, G, J, K, L, M, N; 93D; 102P; 103A). British Columbia Ministry of Energy, Mines and Petroleum Resources, British Columbia Geological Survey Open File 1994-17.
Data Source URL: http://cmscontent.nrs.gov.bc.ca/geoscience/PublicationCatalogue/OpenFile/BCGS_OF1994-17.zip
Map Compilation Reference: Massey et al., 2005, BC
Data Edition: 11/17/2017

Ministry of Mining and Critical Minerals
British Columbia Geological Survey