Locality	Layer
	Great Britain, England,Derbyshire, Castleton, Cowlow Nick	B2
	Great Britain, England,Derbyshire, Castleton, Treak Cliff	B2 - P1a
	Great Britain, England,Derbyshire, Chrome Hill	Asbian B2b
	Great Britain, England,Derbyshire, Crowdecote near Buxton	P1a; B2b
	Great Britain, England,Derbyshire, Dowel	Dowel Farm
	Great Britain, England,Derbyshire, Odin Mine	B2b (globostriatus]
	Great Britain, England,Derbyshire, Park House Hill	B2
	Great Britain, England,Staffordshire, Gateham Hill	Hopedale limestones,buildup facies
	Great Britain, England,Yorkshire, Narrowdale	B2