User contributions for Dbk

2 October 2013

• 09:1509:15, 2 October 2013 diff hist +1,767‎ N Lithology of the Chalk Group - Flint ‎ Created page with " Flint is composed of silica, in the form of ultramicroscopic quartz crystals, derived from the dissolved skeletons of siliceous sponges and micro-fossils (radiolarians and d..."
• 09:1309:13, 2 October 2013 diff hist −2‎ Category:Lithology of the Chalk Group ‎No edit summary
• 09:1309:13, 2 October 2013 diff hist +2,846‎ Category:Lithology of the Chalk Group ‎No edit summary
• 09:0809:08, 2 October 2013 diff hist +56‎ N Category:Magnetostratigraphy of the Chalk Group ‎ Created page with " 011"
• 09:0709:07, 2 October 2013 diff hist +56‎ N Category:Geochemical Correlation of Marl Seams ‎ Created page with " 010"
• 09:0509:05, 2 October 2013 diff hist +67‎ N Category:Strontium Isotope stratigraphy in the Chalk Group ‎ Created page with " 003"
• 09:0509:05, 2 October 2013 diff hist +67‎ N Category:Oxygen Isotope stratigraphy in the Chalk Group ‎ Created page with " 002"
• 09:0409:04, 2 October 2013 diff hist +67‎ N Category:Carbon Isotope stratigraphy in the Chalk Group ‎ Created page with " 001"
• 09:0309:03, 2 October 2013 diff hist +56‎ N Category:Stable Isotope stratigraphy of the Chalk Group ‎ Created page with " 009" current
• 09:0109:01, 2 October 2013 diff hist +56‎ N Category:Cyclostratigraphy of the Chalk Group ‎ Created page with " 008"
• 09:0009:00, 2 October 2013 diff hist +56‎ N Category:Chronostratigraphy of the Chalk Group ‎ Created page with " 006"
• 08:5608:56, 2 October 2013 diff hist +56‎ N Category:Lithostratigraphy of the Chalk Group ‎ Created page with " 003"
• 08:5508:55, 2 October 2013 diff hist +56‎ N Category:Lithology of the Chalk Group ‎ Created page with " 002"
• 08:5208:52, 2 October 2013 diff hist 0‎ Category:Sequence Stratigraphy of the Chalk Group ‎No edit summary current
• 08:5208:52, 2 October 2013 diff hist +3‎ Category:Biostratigraphy of the Chalk Group ‎No edit summary current
• 08:4808:48, 2 October 2013 diff hist +29‎ Category:Sequence Stratigraphy of the Chalk Group ‎No edit summary
• 08:4708:47, 2 October 2013 diff hist +497‎ Category:Sequence Stratigraphy of the Chalk Group ‎No edit summary
• 08:4008:40, 2 October 2013 diff hist −2‎ Coniacian 8 ‎No edit summary current
• 08:4008:40, 2 October 2013 diff hist 0‎ Coniacian 8 ‎No edit summary
• 08:4008:40, 2 October 2013 diff hist +1,028‎ N Coniacian 8 ‎ Created page with " A nodular, iron-stained sponge bed occurs directly below two thin, un-named marl bands at Seaford Head in Sussex, and marks the sequence boundary (Grant et al., 1999). An in..."
• 08:3908:39, 2 October 2013 diff hist 0‎ Coniacian 7 ‎No edit summary current
• 08:3908:39, 2 October 2013 diff hist +799‎ N Coniacian 7 ‎ Created page with " The sequence boundary is placed immediately below the lowest of two thin marl bands, c. 4.5 m above the Seven Sisters Flint at Seaford Head, Sussex (Grant et al., 1999). The..."
• 08:3808:38, 2 October 2013 diff hist −2‎ Coniacian 6 ‎No edit summary current
• 08:3808:38, 2 October 2013 diff hist 0‎ Coniacian 6 ‎No edit summary
• 08:3808:38, 2 October 2013 diff hist +960‎ N Coniacian 6 ‎ Created page with " A sponge-rich, nodular horizon, just below the Seven Sisters Flint in Sussex, marks the basal sequence boundary, but no lowstand systems tract is preserved above this in Sus..."
• 08:3708:37, 2 October 2013 diff hist +2‎ Coniacian 5 ‎No edit summary current
• 08:3708:37, 2 October 2013 diff hist −2‎ Coniacian 5 ‎No edit summary
• 08:3708:37, 2 October 2013 diff hist +818‎ N Coniacian 5 ‎ Created page with " The sequence boundary in Sussex is a winnowed horizon of sponge, inoceramid and brachiopod debris c. 4 m below Belle Tout Marl 1 at Seaford Head [TV 4995 9750], and the over..."
• 08:3608:36, 2 October 2013 diff hist 0‎ Coniacian 4 ‎No edit summary current
• 08:3608:36, 2 October 2013 diff hist +1,026‎ N Coniacian 4 ‎ Created page with " The basal sequence boundary is a nodular chalk bed just below the lowest of the Beachy Head Marls in Sussex (Grant et al., 1999). The overlying lowstand systems tract compri..."
• 08:3508:35, 2 October 2013 diff hist +2‎ Coniacian 3 ‎No edit summary current
• 08:3408:34, 2 October 2013 diff hist +1,443‎ N Coniacian 3 ‎ Created page with " The basal sequence boundary is not well defined in Sussex, being marked by an interval of nodular chalk between the Beeding and Light Point Hardgrounds (Grant et al., 1999)...."
• 08:3308:33, 2 October 2013 diff hist 0‎ Coniacian 2 ‎No edit summary current
• 08:3308:33, 2 October 2013 diff hist +947‎ N Coniacian 2 ‎ Created page with " In the Sussex stratotype succession, the basal sequence boundary is formed by the Hope Gap Hardground (Grant et al., 1999). At the basin margin (e.g. Charnage Down, Wiltshir..."
• 08:1508:15, 2 October 2013 diff hist 0‎ Coniacian 1 ‎No edit summary current
• 08:1508:15, 2 October 2013 diff hist +1,238‎ N Coniacian 1 ‎ Created page with " The basal sequence boundary is the Navigation Hardground in basinal areas and the lowest of the suite of hardgrounds that comprise the Top Rock in basin marginal areas (Gran..."
• 08:1408:14, 2 October 2013 diff hist −2‎ Turonian 4 ‎No edit summary current
• 08:1408:14, 2 October 2013 diff hist +2‎ Turonian 4 ‎ →‎References
• 08:1408:14, 2 October 2013 diff hist +1,142‎ N Turonian 4 ‎ Created page with " The basal sequence boundary is formed by the Fognam Farm Hardground in basin marginal areas such as Wiltshire and the Chilterns (Gale, 1996). The formation of the Fognam Far..."
• 08:1208:12, 2 October 2013 diff hist +2‎ Turonian 3 ‎No edit summary current
• 08:1208:12, 2 October 2013 diff hist −2‎ Turonian 3 ‎No edit summary
• 08:1208:12, 2 October 2013 diff hist +2,217‎ N Turonian 3 ‎ Created page with " In basinal areas, a nodular bed just below New Pit Marl 1 represents a sequence boundary, above which is a shelf margin wedge equating with the marly chalk interval at the t..."
• 08:1108:11, 2 October 2013 diff hist −2‎ Turonian 2 ‎No edit summary current
• 08:1108:11, 2 October 2013 diff hist +1,580‎ N Turonian 2 ‎ Created page with " At Folkestone, a hardground in the higher part of the Holywell Nodular Chalk forms the sequence boundary, and the marly facies of the remainder of this formation is interpre..."
• 08:1008:10, 2 October 2013 diff hist −2‎ Cenomanian 6/Turonian 1 ‎No edit summary current
• 08:1008:10, 2 October 2013 diff hist +2,082‎ N Cenomanian 6/Turonian 1 ‎ Created page with " The sequence boundary is the sub-Plenus Marls erosion surface, corresponding with the junction of the Grey Chalk Subgroup and White Chalk Subgroup (Gale et al., 1999). The l..."
• 08:0808:08, 2 October 2013 diff hist −2‎ Cenomanian 5 ‎No edit summary current
• 08:0808:08, 2 October 2013 diff hist +1,174‎ N Cenomanian 5 ‎ Created page with " Couplet C45 of Gale (1995) contains an erosional surface that is interpreted as a sequence boundary (Gale et al., 1999). Above an interval of shelf margin wedge deposits at ..."
• 08:0708:07, 2 October 2013 diff hist −2‎ Cenomanian 4 ‎No edit summary current
• 08:0708:07, 2 October 2013 diff hist +2,091‎ N Cenomanian 4 ‎ Created page with " The sequence boundary is marked by an increase in clay content and reduction in bed thickness at the top of the ''M. dixoni'' Zone (Robaszynski et al., 1998). In basinal are..."