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TZID:Europe/Berlin
TZUNTIL:20171029T010000Z
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DTSTART:20151025T030000
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RDATE:20161030T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t127718id
DTSTAMP:20260811T064110Z
DESCRIPTION:Both geosciences and archaeology rely on robust chronological m
 arkers in environmental archives and excavations to solve their research q
 uestions adequately: Ordering events\, revealing causal relationships and 
 interregional parallelisation of terrestrial archives require sound age co
 ntrol.\nFor more than 50 years now\, geographers and archaeologists make u
 se of the environmental radioactivity for dating purposes. Its ionising ra
 diation produces free electrons in natural minerals such as quartz and fel
 dspar. These electrons may be stored in electron traps in buried minerals\
 , and released again when they are exposed to heat or sunlight. During thi
 s re-setting event\, the stored energy is set free and emitted in the form
  of light – luminescence. The integrated light sum (proportional to the tr
 apped electron concentration) is thus a measure for the time elapsed since
  the last bleaching or heating event. The ability to record the time of la
 st sunlight exposure or heating above 350 °C makes luminescence dating a u
 nique dating tool for Quaternary sciences\, covering an age range from a f
 ew 100 to more than 100\,000 years.\nThis talk aims to present the basic p
 rinciples of luminescence dating\, but also demonstrates its abundant fiel
 ds of applications as well as some examples of what role this technique pl
 ays in deciphering landscape evolution and human (pre-)history.
DTSTART;TZID=Europe/Berlin:20151119T120000
DTEND;TZID=Europe/Berlin:20151119T133000
LOCATION:H6\, GEO
SUMMARY:Dr. Christoph Schmidt\, Geomorphology\, BayCEER\, University of Bay
 reuth (Homepage): Of trapped electrons and their relevance in tracing land
 scape evolution and human history
TRANSP:TRANSPARENT
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