To get the sweeter, less - acidic San Marzanos that are grown in the volcanicash - rich soil below Mount Vesuvius, you must look for the Denominazione d'Origine Protetta («Protected Designation of Origin») stamp, otherwise known as DOP.
Nutrient - richash from an enormous flare - up of volcanic eruptions toward the end of the dinosaurs» reign kicked off a chain of events that led to the formation of shale gas and oil fields from Texas to Montana.