158 



Transactions. 



Natural Scale - Same as map . 



ilLl 



Legend 



River Gravels . Mud and Sands. 



Trachydolerite 



Dolerite .. 



Basalt Y?l...,.,....„.. 



Basalt N? Z_._ ._,„-_-_.„. 



Basalt N? I _-__*__ 



Dyke .... ___ 



Caversham Sandstone 



Greensandi. 



Marl. -.--.--. 



Sandstone __-_-. ___ 



Gtauusen/tiQ Mudstone _________ 



Shelly Limestone ■„, 



Coal Measures and Quartj Sands I : 



Schist.. .,._._, _.._.-. ■_._._....... 



Outcrops /*£• "*"* Faults 



Boundaries of worked groUnd 



Reference 



Roads, Formed = 



» unformed _ z~~~r 



Railways _•_•_•_ 



Tramways ^_ 



Shafts « 



Drives -^ 



Boreholes ® 



» (proposed) O 



