TEMPERATURE INCREASE (degrees C) FROM RADOGENIC HEAT PRODUCTION

 Radius of       Depth to top    Heat generation, HGU    Temperature       Temperature
                                      -13      3
 pluton, km     of pluton, km      (10   cal/cm -sec)    increase, 2 km    increase, 3 km

     5              4.8                10                    2                 3
 
     5              4.8                20                    4                 6

     5              4.8                30                    6                 9

    15              4.8                10                   13                19

    15              4.8                20                   25                39
                     
    15              4.8                30                   38                58

 Temperature increase from a radiogenic source with a spherical distribution of heat-producing elements.