Betton - Geological Guide for the Geology and Stratification

Geological Guide to Betton Dingle

(Betton Limestone) - 2007

Ordovician	Ashgill	Hirnantian	443 to 444
		Rawtheyan	444 to 445
		Cautleyan	445 to 447
		Pusgillian	447 to 449
	Caradoc	Streffordian	449 to 451
		Geneyan	451 to 453
		Burrellian	453 to 456
		Aurelucian	456 to 458
	Llanvirn	Llandeilian	458 to 464
	Llanvirn	Abereiddian	464 to 470
	Arenig	Fennian	470 to 475
		Whitlandian	475 to 480
		Moridunian	480 to 485
	Tremadoc		485 to 495

Llanvirn 458 - 470 MYA
FORMATIONS AND DEPOSITS		LOCATIONS
Skiddaw Group & Eycott Volcanic Group	Latterbarrow Siltstones and Sandstones
	Tarn Moor
	High Ireby Binsey
Murchisoni shale's		Abereiddy
didymograptus bifidus beds		Abereiddy
Castell Limestone		Abereiddy
Betton Shale Formation		Betton Dingle
Llandeilo shales		Porthgain
Weston Flags Formation
Hope Shale Formation		Hope
Stapeley Shale Formation
Hyssington Volcanic Formation

1:250 000 Geological Map of Hope
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Images, Graphics & Content - (C)opyright 2007 - Joe Shimmin
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