User contributions for Dbk

4 October 2013

• 12:2012:20, 4 October 2013 diff hist −28‎ Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) - Melbourn Rock ‎No edit summary current
• 12:2012:20, 4 October 2013 diff hist +2,723‎ N Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) - Melbourn Rock ‎ Created page with " An indurated, feature-forming horizon, comprising several closely spaced beds of dense, nodular, typically iron-stained limestone, with thin marls and mineralised hardground..."
• 12:1812:18, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) - Ranscombe Member ‎No edit summary current
• 12:1812:18, 4 October 2013 diff hist +811‎ N Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) - Ranscombe Member ‎ Created page with " Term introduced by Mortimore (1986a), comprising three subdivisions as shown below. Basal marker is the Foyle Marl; holostratotype section is Gun Gardens, Beachy Head [TV 58..."
• 12:1712:17, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) - Sussex White Chalk Formation ‎No edit summary current
• 12:1612:16, 4 October 2013 diff hist +822‎ N Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) - Sussex White Chalk Formation ‎ Created page with " This term was introduced by Mortimore (1983) for all the chalk above the Plenus Marls to the base of the Tertiary erosion surface, and follows Rowe's (1900-1908) concept of ..."
• 12:1512:15, 4 October 2013 diff hist −2‎ Category:Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) ‎No edit summary current
• 12:1512:15, 4 October 2013 diff hist +467‎ Category:Southern Region Chalk Group Lithostratigraphy: Sussex lithostratigraphy of Mortimore (1986a) ‎No edit summary
• 12:1312:13, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Top Rock ‎No edit summary current
• 12:1312:13, 4 October 2013 diff hist +1,626‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Top Rock ‎ Created page with " The Top Rock is the name given to an indurated chalk bed, comprising a group of hardgrounds, developed in some parts of the UK, normally a short distance above the Chalk Ro..."
• 12:1112:11, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Chalk Rock ‎No edit summary current
• 12:1112:11, 4 October 2013 diff hist +2,528‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Chalk Rock ‎ Created page with " Whitaker (1859) introduced the name Chalk Rock for intensely indurated chalk he found amongst specimens in the museum collections of the Geological Survey, and later describ..."
• 12:1012:10, 4 October 2013 diff hist −3‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Upper Chalk ‎No edit summary current
• 12:0912:09, 4 October 2013 diff hist +5,223‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Upper Chalk ‎ Created page with " The base of the Upper Chalk is traditionally taken at the base of an indurated feature-forming bed called the Chalk Rock (Jukes-Browne & Hill, 1904). However, this unit is p..."
• 12:0112:01, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Melbourn Rock ‎No edit summary current
• 12:0112:01, 4 October 2013 diff hist +2,034‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Melbourn Rock ‎ Created page with " An indurated, feature-forming horizon, comprising several closely spaced beds of dense, nodular, typically iron-stained limestone, with thin marls and mineralised hardground..."
• 11:5611:56, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Middle Chalk ‎No edit summary current
• 11:5611:56, 4 October 2013 diff hist +1,965‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Middle Chalk ‎ Created page with " The Middle Chalk equates with the interval from the top of the Plenus Marls to the base of the Chalk Rock (or its inferred equivalent where it is undeveloped). A typically h..."
• 11:5511:55, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Plenus Marls ‎No edit summary current
• 11:5511:55, 4 October 2013 diff hist +128‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Plenus Marls ‎No edit summary
• 11:5411:54, 4 October 2013 diff hist +2,288‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Plenus Marls ‎ Created page with " The Plenus Marls comprise a succession of alternating greenish -grey marls and marly limestones, typically a couple of metres thick, but ranging from less than a metre to ..."
• 11:5311:53, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Grey Chalk ‎No edit summary current
• 11:5311:53, 4 October 2013 diff hist +2,300‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Grey Chalk ‎ Created page with " The Grey Chalk consists of massively bedded, mostly grey or creamish-coloured, flintless chalk, with thin (centimetre scale) marl seams. It is much less argillaceous than th..."
• 11:5111:51, 4 October 2013 diff hist +3‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Basement Bed ‎No edit summary current
• 11:5111:51, 4 October 2013 diff hist +3‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Chalk Marl ‎No edit summary current
• 11:5011:50, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Chalk Marl ‎No edit summary
• 11:5011:50, 4 October 2013 diff hist +4,186‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Chalk Marl ‎ Created page with " The Chalk Marl consists of a succession of rhythmically alternating soft, typically decimetre to metre scale marls and harder spongiferous marly limestones, the limestones t..."
• 11:4811:48, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Basement Bed ‎No edit summary
• 11:4811:48, 4 October 2013 diff hist −1‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Basement Bed ‎No edit summary
• 11:4711:47, 4 October 2013 diff hist +999‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Basement Bed ‎ Created page with " The Basement Bed is a condensed phosphatic nodule bed at the base of the Chalk Group in Dorset and southeast Devon. Kennedy (1970) showed that its rich fauna represents a co..."
• 10:4310:43, 4 October 2013 diff hist +2,325‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Glauconitic Marl ‎ Created page with "Originally named Chloritic Marl by Forbes & Ibbetson (1844), because chlorite was thought to be the mineral responsible for the distinctive green colouration of this bed. Juke..." current
• 10:4110:41, 4 October 2013 diff hist −2‎ Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Lower Chalk ‎No edit summary current
• 10:4110:41, 4 October 2013 diff hist +1,978‎ N Southern Region Chalk Group Lithostratigraphy: Traditional Classification - Lower Chalk ‎ Created page with " The Lower Chalk comprises strata from the base of the Chalk Group to the top of a clay-rich horizon named the Plenus Marls, and is entirely flint-free. It is very argillace..."
• 10:3810:38, 4 October 2013 diff hist +56‎ N Category:Chalk Group Lithostratigraphy: Central & Northern North Sea (UK Sector) ‎ Created page with " 08" current
• 10:3710:37, 4 October 2013 diff hist +56‎ N Category:Chalk Group Lithostratigraphy: Southern North Sea (UK Sector) ‎ Created page with " 07"
• 10:3510:35, 4 October 2013 diff hist −1‎ Category:Chalk Group Lithostratigraphy: Northern Ireland ‎No edit summary
• 10:3510:35, 4 October 2013 diff hist +57‎ N Category:Chalk Group Lithostratigraphy: Northern Ireland ‎ Created page with " 06"
• 10:3410:34, 4 October 2013 diff hist +56‎ N Category:Chalk Group Lithostratigraphy: Northern England ‎ Created page with " 05"
• 10:3310:33, 4 October 2013 diff hist +56‎ N Category:Chalk Group Lithostratigraphy: East Anglia ‎ Created page with " 04"
• 10:3110:31, 4 October 2013 diff hist −2‎ Category:Chalk Group Lithostratigraphy: Marlborough Downs/Berkshire Downs/Chilterns ‎No edit summary
• 10:3110:31, 4 October 2013 diff hist +855‎ N Category:Chalk Group Lithostratigraphy: Marlborough Downs/Berkshire Downs/Chilterns ‎ Created page with " The Chalk Group of this region has some distinct lithostratigraphical features compared to adjacent areas. In the Lower Chalk, an erosive calcarenite (Totternhoe Stone) has ..."
• 09:4709:47, 4 October 2013 diff hist +87‎ N Category:South-west England Chalk Group Lithostratigraphy: Mortimore, Wood & Gallois (2001) ‎ Created page with " 02"
• 09:4709:47, 4 October 2013 diff hist +87‎ N Category:South-west England Chalk Group Lithostratigraphy: Jarvis & Woodroof (1984) & Jarvis & Tocher (1987) ‎ Created page with " 02"
• 09:4509:45, 4 October 2013 diff hist +87‎ N Category:South-west England Chalk Group Lithostratigraphy: Jukes-Browne & Hill, 1903, 1904 ‎ Created page with " 01"
• 09:4409:44, 4 October 2013 diff hist −2‎ Category:South-west England Chalk Group Lithostratigraphy: summary of schemes ‎No edit summary current
• 09:4409:44, 4 October 2013 diff hist +1,735‎ N Category:South-west England Chalk Group Lithostratigraphy: summary of schemes ‎ Created page with " Early work by De La Beche (1826) classified the Chalk Group of south-west England according to its sand (lower beds) or flint content. Later, Jukes-Browne & Hill (1903, 1904..."
• 09:4009:40, 4 October 2013 diff hist −2‎ Category:Southern Region Chalk Group Lithostratigraphy: Revised Stratigraphy of Rawson et al. (2000) ‎No edit summary current
• 09:4009:40, 4 October 2013 diff hist +1,627‎ N Category:Southern Region Chalk Group Lithostratigraphy: Revised Stratigraphy of Rawson et al. (2000) ‎ Created page with " At a meeting of the Geological Society Stratigraphy Commission at the BGS in November 1999, a mappable lithostratigraphical subdivision of the Chalk Group was agreed for sou..."
• 09:3609:36, 4 October 2013 diff hist −2‎ Category:Southern Region Chalk Group Lithostratigraphy: The North Downs (Robinson, 1986) ‎No edit summary
• 09:3609:36, 4 October 2013 diff hist +1,087‎ N Category:Southern Region Chalk Group Lithostratigraphy: The North Downs (Robinson, 1986) ‎ Created page with " Robinson (1986) proposed a lithostratigraphical scheme for the Chalk Group of the North Downs, some of the nomenclature being borrowed from earlier classifications (Dowker, ..."