Abstract
SOME of the islands of the Tuscan Archipelago are formed by outcrops of granitic intrusions which also outcrop along the coast. According to the general scheme of the Apennine orogenesis the age of these intrusions is believed to become progressively younger proceeding from south-west to north-east. This fact is in agreement with pleochroic halo measurements1.
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References
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EBERHARDT, P., FERRARA, G. Confirmation of the Absolute Age of the Granodiorite Outcrop in Elba Island with Potassium/Argon Measurements. Nature 196, 665–666 (1962). https://doi.org/10.1038/196665a0
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DOI: https://doi.org/10.1038/196665a0
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