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SUMMARY:LARMOR LECTURE - Why the Ancient Continents are special:  a geolog
 ical detective story - Professor James Jackson FRS\, Professor of Active T
 ectonics\, Department of Earth Sciences 
DTSTART:20181008T170000Z
DTEND:20181008T180000Z
UID:TALK109828@talks.cam.ac.uk
CONTACT:Beverley Larner
DESCRIPTION:Abstract: This talk will illustrate a common story in Earth Sc
 iences: how pursuit of an interesting observation that we think is a clue 
 to one phenomenon actually leads to a chain of other observations and inve
 stigations that solve a different problem altogether.  In this case\, aski
 ng questions about the depths of earthquakes in the continents triggered a
  series of other studies clarifying an age-old geological mystery: what is
  the origin of the interiors of the great continents\, which are composed 
 of generally flat\, ancient rocks that have remained unaltered for billion
 s of years\, while mountains and oceans form on their margins?  The answer
  probably has immense economic significance\, but that is not why these st
 udies originated\, nor could that outcome have been foreseen: yet it is a 
 common story in Earth Sciences and one that should cause those who think s
 cience can be directed towards desirable economic\, social or innovative o
 utcomes pause for thought.   Much of our modern understanding of how the E
 arth works originated in this way.
LOCATION:Bristol-Myers Squibb Lecture Theatre\, Department of Chemistry
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