BRITISH AVONIAN CONODONT FAUNAS 
a JE ¢ ‘ALSTON 
=f —— aw y VASKRIGG 
——==a aN t BLOCKS 
a = ose STAWES 
IC YORKSHIRE 
S— “YOREDALE Svaee 
CENTRAL PROVINCE 
= 
os — 
Ae Se = 
z ———= = 
ASKEATON S_=-_===_=. —— 
(= ST. GEORGE'S LAND 
+S 
FARLOW & ORETON 
— —— 
NORTH) CROP 
AVON GORGE 
‘LIMESTONE FACIES * anicncl 
—— SOUTHWESTERN OVINCE 
———————— 
ROX.=ROXBURGH 
MIO-LTHN =MIDLOTHIAN 
Fic. 1. Generalized palaeogeographic map of Britain during Early Carboniferous times, 
showing main depositional régimes,and localities described in the text. Based partly 
on George (1958) and Wills (1952). 
