James St. John:
"Rosa Beta Granite" (porphyritic granite, Sardinian-Corsican Batholith, ~280-310 Ma, Late Pennsylvanian to Early Permian; Luogosanto, Sardinia) 1
James St. John:
"Luna Pearl Granite" (biotite leucogranite, Sardinian-Corsican Batholith, ~280-310 Ma, Late Pennsylvanian to Early Permian; Sardinia)
James St. John:
"Rosa Beta Granite" (porphyritic granite, Sardinian-Corsican Batholith, ~280-310 Ma, Late Pennsylvanian to Early Permian; Luogosanto, Sardinia) 2