Abstract
We have mapped a 3-km wide, high heat flow anomaly with a maximum value of 30 μcalorie cm −2 s−1 within a zone of seafloor extension in the central Gulf of California. From seismic reflection data and thermal modelling we suggest that the anomaly is caused by a 1-km wide basaltic intrusion which is roughly 100 m deep and less than 18,000 yr old.
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Lawver, L., Williams, D. & Von Herzen, R. A major geothermal anomaly in the Gulf of California. Nature 257, 23–28 (1975). https://doi.org/10.1038/257023a0
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DOI: https://doi.org/10.1038/257023a0
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