HEAT GENERATION FROM CORE OF DRILL HOLE C25 Portsmouth

DEPTH     DENSITY  URANIUM    THORIUM   POTASSIUM  RATIO  HEAT GENERATION
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               3                                                    -6 
meters    gm/cm    (U),ppm    (TH),ppm    (K),%     YH/U      A X 10
                                                                  3
                                                               W/m
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562        2.67      9.0       24.1       4.0       2.7      10.3          
566        2.67      9.1       20.6       3.4       2.3       9.6          
569        2.67      8.0       20.6       3.7       2.6       9.1           
573        2.67      8.0       20.4       4.0       2.5       9.1           
586        2.67      9.8       19.1       3.5       2.0       9.8           
591        2.67      9.6       23.8       3.7       2.5      10.5           
599        2.67      9.2       24.8       3.4       2.7      10.4           
602        2.67      8.5       20.9       3.5       2.4       9.4