(Lilstock) - 2004

Apart from the Jurassic Blue Lias that make up much of the geology at Lilstock, this location is famous for the Rhaetian, Lilstock Formation. Fish, Reptile and occasional Dinosaur remains can be found in this bed which is similar to Aust and the Blue Anchor Formation. These beds are exposed on the foreshore.

Lilstock also has Tea Green Marls, also from the Triassic which are exposed in a cliff sequence.

Jurassic	Late	Volgian	Portlandian		142 to 147
			Tithonian
					147 to 150
		Kimmeridgian		Late	150 to 154
				Early
		Oxfordian	Corallian		154 to 159.4
			Late Oxford Clay
	Middle	Callovian	Middle Oxford Clay		159 to 165
			Early Oxford Clay
			Kellaways
			Late Cornbrash
		Bathonian	Early Cornbrash		165 to 170
			Forest Marble
			Frome Formation
			Wattonensis Beds
			Early Fullers Earth
			Zigzag Beds
		Bajocian	Late Inferior Oolite		170 to 177
			Middle Inferior Oolite
		Aalenian	Early Inferior Oolite		177 to 180.1
			Scissum Beds
			Late Bridport Sands
	Early	Toarcian (Late Lias)			180 to 190
		Pliensbachian (Middle and Early Lias)			190 to 195
		Sinemurian (Early Lias)			195 to 201
		Hettangian (Early Lias)			201 to 205.7

Triassic	Late	Rhaetian	Penarth group	206 to 210
			Mercia Mudstone group
		Norian		210 to 220
		Carnian		220 to 227.4
	Middle	Ladinian		227 to 233
		Anisian		233 to 241.7
	Early	Scythian	Olenekian	242 to 244
			Induan	244 to 248.2

Hettangian 201 to 205.7 MYA
FORMATIONS AND DEPOSITS			LOCATIONS
E A R L Y L I A S	Early Blue Lias		Blue Anchor St Audries Bay Lilstock Hinkley Point Quantoxhead Chippel Bay Doniford Bay Watchet
	Redcar Mudstone Formation	Early Calcareous Shales

Dunrobin Bay Formation	Lady's Walk Shale	Golspie
	White Sandstone	Golspie
	Carbonaceous Siltstone	Golspie

Rhaetian 206 - 210 MYA
FORMATIONS AND DEPOSITS			LOCATIONS
P E N A R T H G R O U P	Lilstock Formation	Langport Member	Lilstock Blue Anchor
		Cotham Member	Lilstock Blue Anchor
	Westbury Formation		Aust Blue Anchor

Dunrobin Pier Conglomerate

Golspie

Mercia Mudstone Group (Norian, Carnian, Ladinian) 210 - 233 MYA
FORMATIONS AND DEPOSITS			LOCATIONS
M E R C I A M U D S T O N E G R O U P	Red (Keuper) Marls		Aust Watchet St Audries Bay Doniford Bay Blue Anchor
	Tea Green Marls		Aust Lilstock Blue Anchor
	Blue Anchor Formation
	Sully Beds

1:250 000 Geological Map of Lilstock Geological Maps are sold either Flat or Folded for Solid, or Seabed geology. Special editions may be available for certain locations. For a complete list click the link below. Click here to BUY ONLINE from our Store

1: 50 000 Geological Map of Lilstock Geological Maps are sold either Flat or Folded for Solid, Drift or combined geology. Special editions may be available for certain locations. For a complete list of 1: 50 000 maps, click the link below. Click here to BUY ONLINE from our Store