Some rocks resulting from various field trips... Select a group and a sample to continue!
Sample...
"Peridotite (spinel-bearing lherzolite)"
From: "Grotta Tavu de Mari" between Semestene and Pozzomaggiore (Sardinia, Italy) Mineral(s): Olivine (green-yellow, brown alteration), enstatite (black) and spinel (black, metallic glitter) Age: Plio-quaternary (<5 Ma)