30 DEGREE CELSIUS

60 DEGREE CELSIUS

90 DEGREE CELSIUS

120 DEGREE CELSIUS

BACK TO SEDIMENT ISOTHERMS

The map below shows the estimated depth below seafloor of the 90°C isotherm.  White shading indicates areas where the isotherm does not occur within the sediments, but within the basement rock.  This map is based on the data and limitations discussed in Sediment Isotherms .