New data show that the thermal field is definitely related to the geologic structure at depth and to other geophysical fields. Low heat-flow values along reliably established subsurface faults suggest absence of a heated zone of the earth's crust and upper mantle in these regions.

Supplement to: Zolotarev, Vladimir G; Kobzar, V M (1980): New heat-flow measurements in the Black Sea. Oceanology, 20(1), 69-71