Lake Pavin History, geology, biogeochemistry, and sedimentology of a deep meromictic maar lake

399

Total terrigenous (%)B

rig

htness L

• (^) (%)
  -5000 -4000 -1000 1000 2000
  40
  30
  20
  10
  0
  Ti (x103 counts/sec)
  Lake Pavin (this study)
  Lake Aydat
  French Massif Central
  100
  80
  40
  20
  0
  60
  50
  40
  30
  20
  10
  0
  Lake Le Bourget
  Detrital inputs (1)
  Detrital inputs (2)
  40
  50
  60
  70
  Rhône river flood activity (3)
  0.06
  0.04
  0.02
  0
  Glacial abrasion (4)
  Lake Blanc Huez
  Western Central Europe
  Goethite occurence
  d445
  Pyrenees
  Lakes Majeur and Sigriou
  Cal AD/BC
  7000 6000 5000 4000 3000 2000 1000 0 Cal BP
  Ti (x103 peak area)
  enhanced glacial activity
  reduced glacial activity
  600
  0
  200
  400
  Westeifel, Germany
  Detrital inputs (7)
  Lake Meerfelder Maar
  Ti (cps)
  Minerogenic detrital layers (6)
  Detrital inputs

• 
  


• 
  


• 
  


• 
  

  Western Alps
  Phases of higher lake-levels (5)
  400
  es
  tal
  e M
  rog
  e A
  e L
  tal
  tal
  ne
  ial
  e B
  cial
  al a
  ste
  ses
  nd
  r M
  la
  et
  ctiv
  ez
  ke-
  ou

  
  

5. Ma
   pu
   ee
   nic
   d
   B
   pu
   pu
   er
   ra
   an
   cti
   vit
   n A
   h
   e
   s
   rfe
   d
   t
   o
   s
   s
   lo
   sio
   c
   ty
   lp
   gh
   2
   u
   1
   (2
   o
   n
   H
   u
   7
   e
   et
   ps
   e
   rg
   )
   )
   d
   (4
   Hu
   r
   )
   d
   rit
   s
   r l
   Fig. 23.12 Comparison of detrital inputs in Lake Pavin with other
   records in Western Europe (1) Lavrieux et al. ( 2013 ); (2) Arnaud et al.
   ( 2012 ); (3) Debret et al. ( 2010 ); (4) Simonneau et al. ( 2014 ); (5) Magny
   ( 2006 ); (6) Simonneau et al. ( 2013b ); (7) Martin-Puertas et al. ( 2012 ).
   Grey squares represent phases of enhanced terrestrial supplies in Lake
   Pavin (this study). Hatched areas correspond to unrecorded periods due
   to Mass-Wasting Deposits
   23 Pavin Paleolimnology
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