ON THE ERRATIC BLOCKS OF ENGLAND, WALES, AND IRELAND. 429 



Yorkshire.' 



Communicated by the Yorkshire Boulder Committee. 



Reported by Mr. W. Hemingway. 



Barnsley — 



Shap granite. 



Gneissose granite. 



Grey 



Coarse „ 



Rhyolite. 



Quartz porphyry ? (? Armboth Dyke). Borrowdale plumbago. 



Ennerdalc granophyre. I Carboniferous limestone 



Felspar porphyry. 



Porphyrite. 



Andesite. 



Andesitic ash and breccia. 

 Rhyolitic breccia. 

 Diabase. 

 Magma basalt. 

 Olivine „ 



Magnesian 



Flints (from Yorkshire chalk). 



Lias limestone, with Gryphaiaino'tirva 



Reported by Mr. T. Tate. 

 Royston — 



Volcanic ash ; felsites ; chert ; magnesian limestone ; 2 quartz felsites, Threl- 

 keld : diabase ; basalt. 



Reported by Mr. W. Gregson. 

 Baldershy — 

 1 Shap granite. 



Kirklingto n — 

 I basalt. 



Reported by Mr. J. W. S. Statiier, Secretary of the Hull Geological 



Society, 



Sheet 72 of \ -inch Map — Beverley. 



Nortlb Cave — 

 1 basalt. 



Market Weighton — 



Carboniferous sandstone with fossils. 



Banacks — 



Carboniferous sandstone with fossils. 



Chalk Villa— 



Garnetiferous; mica schist ; granite; basalt. 



Reported by Dr. F. F. Walton. 



Newbold Church — 



I red granite ; hard limestone. 

 South Cave — 



Limestone. 



' The detailed report of the Yorkshire Boulder Committee, drawn up by the 

 secretary, Mr. T. Tate, F.G.S., is published in The Naturalist (No. 231, October, 1894, 

 pp. 297-303). 



