Dps. Peacock et al., MONS-CLAUDIANUS AND THE PROBLEM OF THE GRANITO-DEL-FORO - A GEOLOGICAL AND GEOCHEMICAL APPROACH, Antiquity, 68(259), 1994, pp. 209-230
Granito del foro is a distinctive igneous rock, in fact a granodiorite
rather than a granite, long known and named for its use in buildings
of the Roman Forum. Exactly what is it? Where does it come from? Where
else was it used and not used? What does the granito del foro say abo
ut ownership and empire?