332 



The inner part of the harbour is underlain by Protection 

 sandstone, exposed to the north on Newcastle and Protec- 

 tion islands. On Protection island, Protection island 

 shaft, cutting the Douglas seam at 588 feet (179 m.) and 

 the Newcastle seam, at 652 feet (199 m.). Outer part of 

 harbour and Nanaimo valley to the south underlain by 

 Cedar District shales. 



jack Point cuesta composed of DeCourcy sandstones, 

 which dip north of east at an angle of 25 degrees. 



Galiano (Malaspina) Gallery. 



Northumberland channel underlain by lower shale 

 horizon in the Northumberland formation. 



West shore of Gabriola island, cuesta of Northumberland 

 sandstones, dipping north of east at an angle of 10 degrees. 

 Honeycomb weathering. 



Decanso bay. Upper shale horizon of the Northumber- 

 land formations, underlying concretionary Gabriola sand- 

 stones Sandstone quarry. 



Along shore of cuesta-like ridges of northeastward 

 dipping Gabriola sandstone. Angle of dip averages 15 

 degrees. 



Locality 1 — Galiano (Malaspina) Gallery. Gabriola 

 sandstone, weathered by solution and wind. 



Tinson point. Highest beds of Nanaimo series in the 

 vicinity of Nanaimo, nearly 5,000 feet (1,500m.) to Douglas 

 seams. Thin bedded Gabriola sandstones dipping north 



