Perthite from SCAB Domain, North America Plate
USA | |
| Heinrich, E.WM.,and Olson,Jerry C.,(1953) Mica Deposits of the Southeastern Piedmont,Part 11 :USGS Professional Paper 248-G |
Heinrich, E.WM.,and Olson,Jerry C.,(1953) Mica Deposits of the Southeastern Piedmont,Part 11 :USGS Professional Paper 248-G | |
| Heinrich, E.WM.,and Olson,Jerry C.,(1953) Mica Deposits of the Southeastern Piedmont,Part 11 :USGS Professional Paper 248-G |
| Heinrich, E.WM.,and Olson,Jerry C.,(1953) Mica Deposits of the Southeastern Piedmont,Part 11 :USGS Professional Paper 248-G |