Quart. Journ. Geol. Soc. Vol. LXVIII, PL II. 



GEOLOGICAL MAP 



UPPER VOBSTER INLIER. 



By T.F. Sibil/, l).Sc.,F.G.S. 



Si'iilc of YiircLs 



EXPLANATION. 



\Coal- 

 I M ensures. 

 \ Millstone a rlt 

 I & Shales. 



The letters a,t),c, etc.. 

 indicate the iiosltion 

 of sectiotm described in 

 the text or illuslrated 

 in the plates. ■ 



Sec-tion along the line ABC on the map, 



B ^ Vobster 



Vobster Quarry ] 



?>nrx7rwvsa^^^^^^^^^ \S:S Carboniferous 



i Coal Measures. 



] Millstone Grit & Shales. 



Natur;il Scale 



' ^*"=* Base-line -110 feet above O.D. 



Note:- Tlic rvvrexentation of dip is diagrammatic as nyardsthe Coal Measures, the strata of which are pruinMij much disturl>ed. 



