GRD0452S0
AR-10
Micaceous Extrusive
Mesozoic › Cretaceous › Early Cretaceous › Albian
99.6
-
112.0
0
Ritter 154 › Cabinet 16 › Drawer O
lamproite
original description: lamproite, part of Prairie Creek Instrusion. serpentinized olivine, mica (phlogopite?)
-
Arkansas alkaline province
Arkansas
Crater of Diamonds State Park, south of Murfreesboro, AR
Latitude: 34.034°
Longitude: -93.673°