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Abstract
As part of an evaluation of the geothermai resources of Fiji, measurements of conductive heat flow were made in boreholes at nine sites on the two main islands, Viti Levu and Vanua Levu. These are believed to be the first published land measurements from this part of the Pacific. On Viti Levu, heat flow was found to be about 50 mW/m2 in the south, and about 90 mW/m2 in the north.On Vanua Levu, the heat flow near Savusavu was anomalously high (140 mW/m2).Geological and other geophysical evidence suggest that a heat source in the form of an intrusive body is heatmg a geothermal reservoir of meteoric water. At Labasa,a near-normal value of 59 m W /m2 was obtained.
