306 THE STRUCTURE AND SUCCESSION AT 



ft. in. 



clay — 3 



coal — 1 



shale 6 



sandstone 24 



shale 20 



clay — 6 



coal — 3 



shale and underclay 5 



coal — 4 



shale — 5 



coal — 7 



sandstone 25 



clay 1 



coal 1 



strata mostly concealed 215 



argillaceous shale 20 



arenaceous shale 6 



argillaceous shale 10 



coal (Lloyd's Cove seam) 6 



blue marl 10 



arenaceous shale 2 



sandstone 5 



shale and underclay 1 



coal — 6 



black shale — 6 



coal — 2 



blue marl 8 



arenaceous shale 10 



blue marl 2 



coarse conglomeratic grit \ Swivel 6 



sandstone ) point 12 



sulphurous marl (upper ten inches almost 



red ochre) 6 



argillaceous shale (thinning out laterally 



into sandstone) 20 



gray fine sandstone 20 



red marl 2 



blue marl 5 



red marl 2 



