GRD00GNS0
I-684
Syenite
Mesozoic › Jurassic › Early Jurassic › Hettangian
197.0
-
201.6
0
Ritter 154 › Cabinet 15 › Drawer C
nepheline
fresh Neph-Sodalite syenite (perthitic Kspar, Feldspathoids, Hb, Bi) in alignment
See Foland et all 1977, Henderson et all 1988 for age information
-
New Hampshire
Red Hill
Latitude: 43.75°
Longitude: -71.48°
-
N/A
N/A
N/A
N/A