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UID:102@cumberland-geol-soc.org.uk
DTSTART;TZID=Europe/London:20240925T193000
DTEND;TZID=Europe/London:20240925T193000
DTSTAMP:20240921T204438Z
URL:https://www.cumberland-geol-soc.org.uk/events/the-basal-unconformity-o
 f-the-carboniferous-upper-devonian-northwest-england/
SUMMARY:The basal unconformity of the Carboniferous-Upper Devonian\, Northw
 est England
DESCRIPTION:Speaker\, David Boote\n\nIn 1788 James Hutton first recognised
  the importance of 'deep time'  when studying a mid-late Devonian unconf
 ormity at Siccar Point\, SE Scotland - shattering earlier suggestions  of
  a 6000 year old earth by the Venerable Bede (3952BC)\, Johannes Keplar (3
 992 BC)\, Bishop Ussher (4004BC)  and even Isaac Newton (~ 3992BC).  The
  unconformity can be traced west across the western side of the Pennines 
  and flanks of the Lake District Dome with coarse pebbly sandstones and c
 onglomerates of late Devonian-basal Carboniferous age resting on highly de
 formed Lower Palaeozoic rocks. It marks the end of the Acadian (Caledonian
 ) Orogeny\, when mountain ranges deformed by the collision between Lauruss
 ia and Baltica-Avalonia continental plates\, were worn down and transgress
 ed by Carboniferous limestones and sands. The Lake District was subsequent
 ly blanketed by Late Palaeozoic and Mesozoic sediments interrupted by int
 ermittent periods of exhumation\,  culminating with Cenozoic unroofing of
  the Lower Palaeozoic core exposed today.\n\n2024 CGS DRDB Basal Carbonife
 rous Unconformity\n\n\n\nA table has been booked at the Cassa Bella restau
 rant in Keswick for 6 people including the speaker before the lecture.  W
 e are now unable to book a large table together so if anyone wants to orga
 nise booking their own table there is an easy online booking system at  
  www.casabellakeswick.co.uk The booking form has a ‘Notes’ box so it
  might be worth filling it in to ask for a table near the table that’s a
 lready booked for the Speaker. (Quote the Booking Reference R7NR4N for 25/
 09/24 and RPNR4B for 09/10/24 in the name of David Steele from 17.45pm) De
 pending on the positions of the tables we are given on the night it may ho
 pefully work out that we can all chat together.
LOCATION:Crosthwaite Parish Rooms\, Main Street\, Keswick\, CA12 5NN\, Unit
 ed Kingdom
GEO:54.60258760;-3.14081004
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