',] u'xtertv Journal oE Sf ieiK-e, If^ XAIU 



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CAP 



SpTJi'S ir Coinplete. 



3 . Dark Slates, SanxLstorLe., £c- of the Alps. (Glarus). 



2. ( NununiiUic Zjmestone, not represented, in Britain.) . 



1 . Thimet Sands, Seadina Beds & London, Clay. Sands, Gravels & Clays. 



3. (Upper sedimentary member Lost by denudation, ). 



2. Vpper £ Lower Chalk, and Chalk Marl &c. 



1. Green Sand £ Gault . (Sands. Grayels & Clays). 



3 . Marine representatives of the Purhec £ Wealden Beds. (Middle Burhei • 



2. PorlUuiil Limestone. 



1. Portland Sands. 



3. Kimmerid^e Clay & Upper Cole.. Grit, ( Sojulston^j. 



2 . Coral Rao. (LinvestoTve ). 



1. Lower CdZe. Grit. (Sandstone). 



3 . Oxford Clay & Kellowoy Rock . 



2 . Bath and Interior Oolite . 



J . Lower, Middle and Upper Lias. 



3 . Vwetic Beds, Red Marl & Lower Keuper Sandstorve. 



2. (S^ Ca.ssian-£ Mvcschelkalk Limji^tones riot representecL, Brvglani. 



oeuig JULSuhmerged at this sta,gc). 



1 . New Red Sandstorve . 



3 . Upper Permian Marls. ( S^- Bees Sandstone ? ). 

 2 . 1/Iatjnesian, LimestorLe ■ 



1 . Lower Permian Sandstone . Sandstones, Marls £ Conglomerates. 



3 . Coal Measures, Millstone Grit £ Ybredale- Scries . 



2 . Carhoniferous Limestone, (with, Shale^s & Sandstones in the Nor.. 



1 . Lower Limestone Shale.. Carboni/erous Slate .( Vppei- Old Red Sandstant 

 of Scotland). 



3. Shists & Sandstorves \ 3 .MiddLeOldRed Sandstxnw. 



I *a 

 2 . nfroicombe lim£st:om Series. > § 2 . ( Gap ) 



V \^ 



1 . Lynton, Slates £ Grds. ' 1. Lower Old Re<i Sandstone . ' 1. 

 3 . Upper L^idlow Sock & Tilestones . 



2 . Jfymestry and Wenlock Limestone. Series . 



1. BenJbighshire Grits, Flags & Slates. 



3. Tarannon Shale. 



2 . LlanAovery Limestone . 



2 . Upper Llandovery Rocks. 



3 . Lower Llandovery Rocks & CaraAoc Sandstone . 

 ^^ 2 . Bala, and, Llandeilo Limestone Serifs 

 {l.Tremad.oc Slates. 



l] 



4 (l . 2 .3 . Lingtda, FLoLgs. (Fomung a. sitb- group wiih a. Calcareotvs 

 central memher m Bohemia,. 



t)crieK as it ia 



Cambrian^ Rocks, f Slates, Grits & Conglomerates). 

 (Only partially represented inBritcun). 



Latu-erttian Gneiss. (Series only partudly represented , 



ColuiIlT) 1. 



ColuTim 2. 



WulK-Afon-s.ljlJi 



TKNTATIVK CUSSIFICATION OF EKTTISH ROCKS: 



ACCORDING TO A TERNARY SYSTEM, REPRESENTING 

 GEOLOGICAL CYCLES. 



I 



