Abstract
Abstract The northernmost outcrop of the diabase-porphyrite complex of Calabria, Italy, is in the Sangineto zone, long recognized as exceptionally complex. Results of studies are reported whose particular purpose was to define the upper and lower boundaries of the series of diabases and porphyrites, to describe the interrelationships of the varieties within the series, and to ascertain the relationships of these rocks to the nonvolcanic country rocks. Pillow lava structures recognized in many places suggest that the volcanic rocks are ancient submarine lava flows. Overlying limestones contain layers of breccia in which Tithinian (Jurassic) fragments have been identified, thus refuting the Triassic age previously assigned to them in the literature.
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