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Table 1

Measurements of 10Be concentrations, parameters used for exposure age calculations and ages.

  Sample name Latitude Longitude Elevation (m) Sample thickness (cm) Density (g. cm−2) Shielding correction  
  MO-22-B1 46,85 93,42 1920 1-3 2,7 0,9999  
  MO-22-B2 46,85 93,42 1895 1-3 2,7 0,9999  
  Quartz mass (g) 9Be Spike (at) 1019 Unc. Spike 9Be (at) 1017 9Be Spike concentration (μg.g−1) 10Be Concentration (at.g−1) 106 Unc. 10Be concentration (at.g−1) 1014 AMS std  
  23,7784 2,74 1,29 997 2,20 4,26 STD11  
  20,9768 2,74 1,29 997 0,73 2,16 STD11  
St Lm LSDn
Age(yr) Interr (yr) Exterr (yr) Age (yr) Interr (yr) Exterr (yr) Age (yr) Interr (yr) Exterr (yr)
78822 2617 6869 75439 2503 6286 73630 2442 5054

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