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Lathkill dale latest Lathkill dale latest Presentation Transcript

  • Lathkill Dale Fieldtrip
    Geology Presentation – 23.11.10
  • Group and Roles
    • Cheryl Bennett – Note Taker and Fossil researcher.
    • Deb Royle – Photographer, Presenter and Rock researcher.
    • Michelle Townsend - Photographer and History writer.
    • Katy Dixon – Note Taker and PowerPoint designer.
    • Kelly Marie Farnsworth – Photographer and Summary writer.
  • Introduction
  • Past and Present
  • Lathkill Dale Map
  • Entrance
    • Limestone bridge over river.
    • Fossils have been revealed due to the wear of visitors shoes on the stone.
    • Area was once a limestone mill featuring a large water wheel.
  • Site One
    Limestone rock on side of path.
    Visible bedding planes dipping to the north.
    Saturated with water allowing plans and fauna to grow.
  • Site Two
    Mining hole – would have been mined for iron and lead.
    Mining in Lathkill Dale has taken place since the bronze age.
    The Hole would have been a way of draining the mine for ore. This method was called sough.
  • Site Three
    • Building is limestone as are the pilers used to carry water over the valley to power the water wheel.
    • Legal obligation to protect the area.
    • A popular potholing site.
  • Site Four
    Jacobs Ladder fossil area included; Giganta Productus, Brachiopods and sea lilies.
    Storm activity lead brachiopods to stack up together.
    Limestone was quarried by hammering in large pins, so as to split evenly.
    • Picture of Brachiopods to be inserted.
    • Picture of limestone pin holes to be inserted.
  • Site Four Continued
    Picture of sea lilies to be inserted.
    • Sea lilies had a stalk and tentacles, when these died they lay on the sea bed and were imprinted into the fossils we see today.
    • Sea lilies picture to be inserted here.
  • Conclusion
  • Thanks for watching!