Steven R. McCutcheon James A. Walker

Keywords Bathurst, VMS, Ordovician, sedimentary (or sediment) lithogeochemistry 

In the BMC, sedimentary rocks underlying the volcanic pile are assigned to the Miramichi Group (MG), whereas those 

Tetagouctie Sheephouse Miramichi Group Brook Group - Group 

Sedimentary rocks within the lower (mainly felsic) part of the volcanic pile are highly variable and not voluminous. Greenish grey to dark grey mudrocks and volcaniclastic rocks occur locally in the FLB, MB, NF, SL and SR formations (Fig. 

Some of them look lithologically similar to those of the PB Formation. 

---