Page 167 - Carbonate Facies in Geologic History
P. 167
154 The Lower Carboniferous Waulsortian Facies
....
o Bank limestones
o Lagoonal limestones
and cherts
+ Horizontal beds in either
bonk or lagoon
o 50 100m
'
,
'
I.____ ___
"
"
\
'. ,
"
"
"
\
\
\
\
rx'to-
- "'- --- '-'-' -. ___ _ (A)
Fig. V-7. Hill in Galway County, Ireland mapped to show concentric growth lines of Waul-
sortian mudbank accumulation. From Lees (1964, Fig. 10), with permission of author and
Royal Society of London
but passes to basin strata within a short distance. It thus appears to form a ramp
built out from blocks in northern and western Ireland.
Waul sort ian mounds also developed within basins. In Britain (Yorkshire and
Derbyshire), the Waulsortian is developed in large or elliptical to circular mounds
within the trough which existed between the Pennines and St. George's Land.
