Timeline

North Yorkshire Geodiversity Partnership Area Timeline

PERIOD	LATITUDE	AGEmy	GEOLOGICAL SETTING	FEATURE	EXAMPLE
QUATERNARY	54 N	0.012	RECENT(TEMPERATE)	Gorge	R. Wharfe (Strid)
				Waterfall	R. Ure (Aysgarth)
				River terrace	R. Wharfe
				Landslide	Kirkby Fell
				Cave	Stump Cross Cave
				Limestone pavements	Ingleborough
					Malham Cove
		1.8	ICE AGES(ARCTIC)	Glacial deposition	Ribblehead drumlins
					Norber erratics
				Glacial erosion	Kilnsey Crag
NEOGENE		24	TEMPERATE LAND	No deposits in this area
PALAEOGENE	45 N	65		Intrusion of dykes	Cleveland Dyke
CRETACEOUS		142	TEMPERATE SEAS	No deposits in this area
JURASSIC	40 N	205	TROPICAL LAND AND SEAS	Deposition of sandstones and limestones	North York Moors
TRIASSIC	20 N	248	TROPICAL LAND	Deposition of sandstones	Vale of York
PERMIAN		290	TROPICAL SEAS	Deposition of Zechstein magnesian limestones
			TROPICAL DESERT	Deposition of Appleby sandstones	Masongill
CARBONIFEROUS	0 N	354	VARISCAN MOUNTAIN BUILDING	Folding, faulting and formation of mineral veins	North Swaledale
			TROPICAL SWAMPS AND DELTAS	Deposition of Pennine Coal Measures	Ingleton Coalfield
				Deposition of Millstone Grit sandstones	Brimham Rocks
				Cyclic deposition of Yoredale limestones, mudstones and sandstones	Hardraw Force
					Aysgarth Trail
			TROPICAL SEAS	Deposition of Great Scar Limestones	Gordale Scar
					Malham Cove
					Cracoe Reefs
					Combs Quarry
			EROSION	Erosion of ancient basement rocks producing an unconformity
DEVONIAN	15S	417	TROPICAL DESERT	Deposition of Sedbergh conglomerate?	Sedgwick
SILURIAN	30 S	443	CALEDONIAN MOUNTAIN BUILDING	Ordovician and Silurian sandstones and mudstones formed in a deep ocean basin	River Rawthey
ORDOVICIAN	60 S	495			Ingleton Waterfalls Trail
CAMBRIAN		545	ANCIENT ROOTS	No deposits in this area
PRECAMBRIAN				Precambrian? Ingleton Group sandstones and mudstones formed in a deep ocean basin	Ingleton Quarry