Heterogeneous mixed-layer clays from the Cretaceous greensand, Isle of Wight, southern England

D.K. McCarty, V.A. Drits, B. Sakharov, B.B. Zviagina, Alastair Ruffell, G. Wach

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The sea-cliffs of the Isle of Wight were deposited during a period of overall sea-level rise starting in the Barremian (Lower Cretaceous) and continuing into the Aptian and Albian. They consist of fluvial, coastal and lagoonal sediments including greensands and clays. Numerous episodes of erosion, deposition and faunal colonization reflect condensation and abandonment of surfaces with firmgrounds and hardgrounds. This study focused mainly on shallow marine cycles where variations in clay mineralogy would not be expected, because overall system composition, sediment source, and thermal history are similar for all the samples in the studied section. Instead we found a wide variety of clay assemblages even in single samples within a 200 in interval.
Original languageEnglish
Pages (from-to)552-575
Number of pages24
JournalCLAYS AND CLAY MINERALS
Volume52
Issue number5
DOIs
Publication statusPublished - Oct 2004

ASJC Scopus subject areas

  • Soil Science
  • Earth and Planetary Sciences (miscellaneous)
  • Geochemistry and Petrology
  • Water Science and Technology

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