User contributions for Dbk

17 October 2013

• 13:0813:08, 17 October 2013 diff hist +110‎ Category:Lithostratigraphy of the Chalk Group ‎No edit summary
• 13:0613:06, 17 October 2013 diff hist −1‎ Category:The Scottish 'Chalk Group' Succession ‎No edit summary current
• 13:0513:05, 17 October 2013 diff hist +4‎ Category:The Scottish 'Chalk Group' Succession ‎No edit summary
• 13:0513:05, 17 October 2013 diff hist +4,333‎ N Category:The Scottish 'Chalk Group' Succession ‎ Created page with "Upper Cretaceous strata are thin (maximum thickness c. 30 m) and widely scattered in Scotland. They occur exclusively in western Scotland, and predominantly in the Inner Hebri..."
• 13:0213:02, 17 October 2013 diff hist +1,816‎ N Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) - Ekofisk Formation ‎ Created page with "The following details are based on the account of Johnson & Lott (1993) The formation, which reaches over 100 m in thickness, comprises variably cemented chalky limestone, wi..." current
• 13:0113:01, 17 October 2013 diff hist +1,678‎ N Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) - Tor Formation ‎ Created page with "The following details are based on the account of Johnson & Lott (1993) The formation comprises relatively hard, pure, chalky limestones, with locally interbedded softer argi..." current
• 13:0013:00, 17 October 2013 diff hist +1,565‎ N Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) - Mackerel Formation ‎ Created page with "The following details are based on the account of Johnson & Lott (1993) The formation comprises argillaceous chalky limestones, becoming more argillaceous towards the South V..." current
• 12:4012:40, 17 October 2013 diff hist −43‎ Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) - Herring Formation ‎No edit summary current
• 12:0212:02, 17 October 2013 diff hist +2,642‎ N Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) - Herring Formation ‎ Created page with "The following details are based on the account of Johnson & Lott (1993) The formation comprises hard to very hard, dense, cryptocrystalline limestone with interbedded argilla..."
• 12:0112:01, 17 October 2013 diff hist +8‎ Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) - Hildra Formation ‎No edit summary current
• 12:0112:01, 17 October 2013 diff hist +1,844‎ N Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) - Hildra Formation ‎ Created page with "The following details are based on the account of Johnson & Lott (1993) A unit of fine-grained chalky limestones and interbedded mudstones, locally with traces of chert and t..."
• 11:5811:58, 17 October 2013 diff hist +1,146‎ N Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) - Ekofisk Formation ‎ Created page with "The following details are based on the account of Lott & Knox (1994). The Ekofisk Formation, up to 55 m thick, but more typically 10-30 m thick, is sporadically developed in ..." current
• 11:5711:57, 17 October 2013 diff hist +1,951‎ N Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) - Rowe Formation ‎ Created page with "The following details are based on the account of Lott & Knox (1994). The Rowe Formation, up to 380 m thick, comprises''' '''argillaceous and flinty chalky limestones, contra..." current
• 11:5511:55, 17 October 2013 diff hist +1,657‎ N Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) - Jukes Formation ‎ Created page with "The following details are based on the account of Lott & Knox (1994). The Jukes Formation, up to 500 m thick, comprises moderately hard greyish-white chalky limestones with r..." current
• 11:5311:53, 17 October 2013 diff hist +1,394‎ N Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) - Lamplugh Formation ‎ Created page with "The following details are based on the account of Lott & Knox (1994). The Lamplugh Formation, up to 200m thick, comprises flint-rich argillaceous chalky limestones. It occurs..." current
• 11:5211:52, 17 October 2013 diff hist +1,588‎ N Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) - Herring Formation ‎ Created page with "The following details are based on the account of Lott & Knox (1994). The formation is up to 60 m thick, and present over most of the Southern North Sea, except on some struc..." current

11 October 2013

• 14:1114:11, 11 October 2013 diff hist −1‎ Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) - Hildra Formation ‎No edit summary current
• 14:1114:11, 11 October 2013 diff hist +1,519‎ N Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) - Hildra Formation ‎ Created page with "The following details are based on the account of Lott & Knox (1994). The formation is up to 40 m thick and occurs widely across the Southern North Sea, except on structural ..."
• 14:0914:09, 11 October 2013 diff hist +1,317‎ Category:Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) ‎No edit summary current
• 14:0814:08, 11 October 2013 diff hist +1,502‎ N Chalk Group Lithostratigraphy: Northern Ireland - Ballycastle Chalk Member ‎ Created page with "The Ballycastle Chalk Member (stratotype west of Ballycastle Pier [D 120 415]), 13.72 m thick at the type locality (Fletcher, 1977), comprises rather undistinguished flinty ch..." current
• 14:0614:06, 11 October 2013 diff hist +1,662‎ N Chalk Group Lithostratigraphy: Northern Ireland - Port Calliagh Chalk Member ‎ Created page with "The Port Calliagh Chalk Member (stratotype: Port Calliagh [D 112 420]), 12.4 m thick at the type locality (Fletcher, 1977), comprises rather undistinguished flinty chalk, and ..." current
• 14:0514:05, 11 October 2013 diff hist +1,660‎ N Chalk Group Lithostratigraphy: Northern Ireland - Tanderagee Chalk Member ‎ Created page with "The Tanderagee Chalk Member (stratotype: Ballymagarry Quarry [C 889 407]), 7.63 m thick at the type locality, comprises rather undistinguished flinty chalk, and is recognised ..." current
• 13:4713:47, 11 October 2013 diff hist +1,549‎ N Chalk Group Lithostratigraphy: Northern Ireland - Ballymagarry Chalk Member ‎ Created page with "The Ballymagarry Chalk (stratotype: Ballymagarry Quarry [C 889 407]), 10.95 m thick at the type locality, comprises a succession characterised by extremely large flints, inclu..." current
• 13:4613:46, 11 October 2013 diff hist +1,490‎ N Chalk Group Lithostratigraphy: Northern Ireland - Portrush Chalk Member ‎ Created page with "The Portrush Chalk Member (stratotype: Ballymagarry Quarry [C 890 408]), 14.28 m thick at the type locality, comprises much less massively bedded chalk than the majority of th..." current
• 13:4513:45, 11 October 2013 diff hist +1,013‎ N Chalk Group Lithostratigraphy: Northern Ireland - Garron Chalk Member ‎ Created page with "The Garron Chalk (stratotype: Garron Point [D 301 239]), 9.65 m thick at its type locality, comprises chalk with common inoceramid bivalve shell fragments and giant flints (lo..." current
• 13:3913:39, 11 October 2013 diff hist +2,841‎ N Chalk Group Lithostratigraphy: Northern Ireland - Glenarm Chalk Member ‎ Created page with "The Glenarm Chalk Member (stratotype: Parishagh Quarry, near Glenarm [D 304 156]), c. 8 m thick at the type locality, comprises flinty, locally inoceramid shell-rich chalk, wi..." current
• 13:3813:38, 11 October 2013 diff hist +1,471‎ N Chalk Group Lithostratigraphy: Northern Ireland - Ballintoy Chalk Member ‎ Created page with "The Ballintoy Chalk (stratotype: Ballintoy Harbour [D 049 451]), c. 12.65 m thick at the type locality, is delimited by an erosion surface (at the top of the underlying Larry ..." current
• 13:3613:36, 11 October 2013 diff hist +1,051‎ N Chalk Group Lithostratigraphy: Northern Ireland - Post Larry Bane Chalk White Limestone ‎ Created page with "The Post Larry Bane White Limestone equates with that part of the Ulster White Limestone occurring above the Larry Bane Chalk Member, the latter being an important lithostrati..." current
• 13:3513:35, 11 October 2013 diff hist +1,554‎ N Chalk Group Lithostratigraphy: Northern Ireland - Larry Bane Chalk Member ‎ Created page with "The Larry Bane Member (stratotype: Larry Bane Bay [D 055 447]), c. 7.29 m thick at its type locality is principally distinguished by the fact that it is delineated by two cons..." current
• 13:3413:34, 11 October 2013 diff hist +1,612‎ N Chalk Group Lithostratigraphy: Northern Ireland - Boheeshane Chalk Member ‎ Created page with "The Boheeshane Chalk Member (stratotype: Boheeshane Bay [D 268 699]), with a maximum thickness of 24.19 m at the type locality, comprises finer-grained, flinty chalk than the ..." current
• 13:2613:26, 11 October 2013 diff hist +1,478‎ N Chalk Group Lithostratigraphy: Northern Ireland - Creggan Chalk Member ‎ Created page with "The Creggan Chalk Member (stratotype: Gortin Quarry, Creggan [IGR D 277 187]), 3.45 m thick at the type locality, is distinguished by the presence of abundant inoceramid bival..." current
• 13:2513:25, 11 October 2013 diff hist +1,636‎ N Chalk Group Lithostratigraphy: Northern Ireland - Cloghastucan Chalk Member ‎ Created page with "The Cloghastucan Chalk Member (stratotype: Galboly-Cloghastucan foreshore [D 301 245]), c. 2.23 m thick at the stratotype locality, is a thin, flinty limestone unit characteri..." current
• 13:2313:23, 11 October 2013 diff hist +1,528‎ N Chalk Group Lithostratigraphy: Northern Ireland - Galboly Chalk Member ‎ Created page with "The Galboly Chalk Member (stratotype: roadside 'pillar', south of Garron Point [D 301 245], with a maximum thickness of 5.85 m, comprises a creamy limestone with many dark, ir..." current
• 13:2213:22, 11 October 2013 diff hist +977‎ N Chalk Group Lithostratigraphy: Northern Ireland - Cloghfin Sponge Beds Member ‎ Created page with "The Cloghfin Sponge Beds Member (stratotype: near Glenarm [IGR J 971 486], up to 1.47 m thick, are restricted to the south-east Antrim region, and comprise sponge-rich, glauco..." current
• 13:2113:21, 11 October 2013 diff hist +891‎ N Chalk Group Lithostratigraphy: Northern Ireland - Pre Larry Bane Chalk White Limestone ‎ Created page with "The lithologically distinctive Larry Bane Member divides the Ulster White Limestone into Pre-Larry Bane and Post-Larry Bane successions, and serves as a ready means of classif..." current
• 13:1913:19, 11 October 2013 diff hist +3,743‎ Category:Chalk Group Lithostratigraphy: Northern Ireland ‎No edit summary current
• 13:1813:18, 11 October 2013 diff hist +1,248‎ N Chalk Group Lithostratigraphy: Northern England - Rowe Formation ‎ Created page with "Rawson et al. (2000) suggested that the term 'Rowe Formation' might be borrowed from the Chalk Group lithostratigraphy of the North Sea to describe apparently coeval sub-drift..." current
• 13:0413:04, 11 October 2013 diff hist +1,005‎ N Chalk Group Lithostratigraphy: Northern England - Nafferton Grange Marls ‎ Created page with "The Nafferton Grange Marls, named after Nafferton Grange Quarry [TA 049 611], are seven conspicuous, sharply defined marls, arranged into 3 groups, in a succession of mostly h..." current
• 13:0313:03, 11 October 2013 diff hist +515‎ N Chalk Group Lithostratigraphy: Northern England - Sewerby Steps Marl ‎ Created page with "This is a c. 60 mm thick, brown, clayey marl, with a sharply defined base (Whitham, 1993). '''Macrofossil Biozonation''': ''I. lingua'' Zone '''Correlation''': see Correlati..." current
• 13:0213:02, 11 October 2013 diff hist +550‎ N Chalk Group Lithostratigraphy: Northern England - Sewerby Hall Marl ‎ Created page with "This marl is c. 40-50 mm thick, and comprises light grey marl and crushed chalk, locally becoming chalky marl (Whitham, 1993). '''Macrofossil Biozonation''': ''I. lingua'' Zo..." current
• 13:0013:00, 11 October 2013 diff hist +495‎ N Chalk Group Lithostratigraphy: Northern England - Marton Hall Marl ‎ Created page with "This is a c. 40 mm thick, sharp-based, silty-grey marl (Whitham, 1993). '''Macrofossil Biozonation''': ''I. lingua'' Zone '''Correlation''': see Correlation with other UK Ch..." current
• 13:0013:00, 11 October 2013 diff hist +572‎ N Chalk Group Lithostratigraphy: Northern England - Longwood Marl ‎ Created page with "This is a c. 60 mm thick, grey marl containing silt and compacted clay, and occurs in the upper part of the Flamborough Sponge Beds (Whitham, 1993). '''Macrofossil Biozonatio..." current
• 12:5612:56, 11 October 2013 diff hist +914‎ N Chalk Group Lithostratigraphy: Northern England - Sponge Beds ‎ Created page with "Whitham (1993) identified two main concentrations of sponges in the Flamborough Chalk, the lower of which, c. 11 m thick, extending from c. 2 m above the Daneswood Upper Marl ..." current
• 12:5512:55, 11 October 2013 diff hist +484‎ N Chalk Group Lithostratigraphy: Northern England - Daneswood Upper Marl ‎ Created page with "This is a c. 50 mm thick, grey, clayey marl (Whitham, 1993). '''Macrofossil Biozonation''': ''I. lingua'' Zone '''Correlation''': see Correlation with other UK Chalk Group s..." current
• 12:5412:54, 11 October 2013 diff hist +511‎ N Chalk Group Lithostratigraphy: Northern England - Daneswood Middle Marl ‎ Created page with "This is a c. 40-50 mm thick, grey, fairly compact, silty, chalky marl (Whitham, 1993). '''Macrofossil Biozonation''': ''I. lingua'' Zone '''Correlation''': see Correlation w..." current
• 12:5412:54, 11 October 2013 diff hist +526‎ N Chalk Group Lithostratigraphy: Northern England - Daneswood Lower Marl ‎ Created page with "This is a c. 90 mm thick, grey, silty, sharp-based marl, with compacted marly chalk (Whitham, 1993). '''Macrofossil Biozonation''': ''U. anglicus'' Zone '''Correlation''': s..." current
• 12:5312:53, 11 October 2013 diff hist +1,161‎ N Chalk Group Lithostratigraphy: Northern England - Danes Dyke Upper Marls ‎ Created page with "Whitham (1993) identified a single Danes Dyke Upper Marl (= Dane Dyke Upper Marl 1), this being a a c. 30-40 mm thick, grey, chalky marl, the base marking the base of the Sewe..." current
• 12:3012:30, 11 October 2013 diff hist +1,487‎ N Chalk Group Lithostratigraphy: Northern England - Sewerby Member ‎ Created page with "The Sewerby Member (stratotype: Danes Dyke - Sewerby Steps [######## to TA 202 687]), c. 72 m thick and representing the youngest and thickest part of the Flamborough Formatio..." current
• 12:2912:29, 11 October 2013 diff hist +536‎ N Chalk Group Lithostratigraphy: Northern England - Danes Dyke Lower Marls ‎ Created page with "A group of three marls, each c. 20-30 mm thick, pale grey, silty and partly gradational (Whitham, 1993). '''Macrofossil Biozonation''': ''M. testudinarius'' Zone '''Correlat..." current
• 12:2812:28, 11 October 2013 diff hist +642‎ N Chalk Group Lithostratigraphy: Northern England - Maidlands Upper Marls ‎ Created page with "A marl pair separated by c. 2.6 m of chalk, the lower one comprising a 20-40 mm thick grey, silty and locally twinning marl, and the upper comprising a 40-50 mm thick chalky a..." current