Ulster white limestone
The maximum thickness of these eight members (P947944) is over 85 m in north Co. Antrim although nowhere is the succession continuously exposed. The Ballintoy Chalk Member consists of two beds, the lower one being twice the thickness of the upper bed of the preceding Larry Bane Chalk Member. The upper … See more The distribution of these five members (P947944) mirrors the configuration of the late Santonian to early Campanian depositional basin. They attain a maximum thickness of 26 m at Glenarm, but thin rapidly … See more Ubiquitous and prominent minor disconformities bracket the two beds of the Larry Bane Chalk Member (P947944), in which the upper … See more http://www.habitas.org.uk/escr/site.asp?Item=1208
Ulster white limestone
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Web3 Oct 2016 · The geology is pretty straightforward: Paleogene basalt overlying Cretaceous “chalk” (really not so chalky here – technically, it’s the Ulster White Limestone). Here’s a suite of interactive imagery that you can use to explore Rathlin’s geology in a “virtual field trip.”. Google Maps view of the island: A photo to show the ... WebThe Ulster White Limestone, 120 - 150 m thick, is subdivided into a maximum of 14 members, mainly delimited by erosion surfaces and distinguished primarily by flint type …
WebThe limestone of the Ulster White Limestone Formation is extremely hard compared to much of the rock of the English Chalk Group. This is due to secondary calcite cementation in … Web27 Oct 2024 · The Clay-with-Flints occurs between the eroded top of the Upper Cretaceous chalk of the Ulster White Limestone Formation, ranging in age from Santonian to Maastrichtian (Mitchell, 2004 b ), and below the succeeding Paleocene basalts of the Antrim Lava Group (Cooper, 2004; GSNI, 1997 ).
WebLithostratigraphy of the Chalk (Ulster White Limestone Formation) in Northern Ireland: Ref no: CF77/24: Author: Fletcher, T.P. Year of publication: 1977: Publisher: HMSO: Place of … WebGuidance and literature: Castle Point ASSI. The limestone rocks exposed in the cliffs and rock platforms between Ballycastle Harbour and Port Calliagh belong to the Ulster White Limestone Formation and are overlain by basalt of the Antrim Lava Group. The Ballycastle and Port Calliagh Chalk Members have their type localities within the site.
http://earthwise.bgs.ac.uk/index.php/Ulster_White_Limestone_Formation,_Cretaceous,_Northern_Ireland
WebStratigraphically, at most localities, the deposit occurs between older white chalk of the Late Cretaceous Ulster White Limestone Formation (83 to 72 million years old) below, and lava flows of younger black basalt of the early Palaeogene Antrim Lava Group (63 to 60 million years old) above. The period of time within which the CwF formed spans ... 90绒羽绒服Web21 Feb 2011 · The Antrim Lava Group (the ‘basalts’) and the underlying Ulster White Limestone Formation (the ‘chalk’) occupy a third of the land area of Northern Ireland. Neither sequence offers any significant groundwater resource potential but the basalt yields a baseflow contribution of 2630 Ml day −1 to the Lough Neagh catchment. Large spring ... 90绒100克和80绒200克哪个好WebThis white ooze solidified and today forms the Chalk or, in Ireland, the Ulster White Limestone. At that time the landscape consisted of two lowland areas separated by a prominent north-east/south-west ridge of older Dalradian rock. The sea invaded the lowlands on both sides of the ridge and, over a period of roughly 3 million years, great ... 90网盘最近更新WebUp to 150m+ of "White Limestone" was encountered in the Aughrimderg Borehole [H 880 685] (Wilson , 1972, p 56) but the thickest and most complete development at outcrop is … 90绒蓬松度http://earthwise.bgs.ac.uk/index.php/Ulster_White_Limestone_Formation,_Cretaceous,_Northern_Ireland 90羊毛10羊绒Web31 Dec 2000 · Ulster White Limestone Formation overlain by basalts of the Antrim Lava Group at Ballymagarry Quarry, Portrush, Co. Antrim. A small depression Gust left of centre) in the sub-basaltic ... 90羊毛质检报告WebUp to 150m+ of "White Limestone" was encountered in the Aughrimderg Borehole [H 880 685] (Wilson , 1972, p 56) but the thickest and most complete development at outcrop is … 魚 ヒレ