No. XV. 



GEOLOGY. 



32' 



No. XV. 



GEOLOGY. 



ON THE GEOLOGICAL STRUCTURE OF THE COASTS OF 

 GRINNELL LAND AND HALL BASIN, 



VISITED BY THE BRITISH AECTIC EXPEDITION OF 1875-6. 



By C. E. De Rance, F.G.S., Assoc. Inst. C.E., 

 of the Geological Survey of England and Wales 



H. W. Feilden, F.G.S., F.R.G.S., C.M.Z.S., 



Naturalist to the Expedition. 



The collection of rocks and fossils, more than 2,000 in 

 number, made during the expedition in the lands lying 

 between the parallels of 78° and 83° 6' North, enable the 

 following sequence of formations to be established for these 

 far Arctic Lands : — 



GrRINNELL LAND, &C 



Glacio-marine beds. 

 Miocene shales and clays 

 with thirty feet coal seam. 

 Carboniferous limestone. 

 Dana Bay beds. 

 Upper Silurians. 

 Lower Silurians. 

 Cape Rawson beds. 

 Fundamental gneiss, &c. 



N. America Equivalents. 

 Glacio-marine beds. 



Carboniferous limestone. 

 Devonian. 



Quebec (Llandeilo) group. 

 Huronian ? 

 Lauren tian ? 



