GRD00OVS0
110-P29
Siltstone
Mesozoic › Jurassic › Late Jurassic
145.5
-
161.0
1
Ritter 154 › Cabinet 17 › Drawer J
varves
Original label: Varved siltstone, Naknek formation.
-
-
Alaska
McNeil Cove, Kamishak Bay
Latitude: 59.1°
Longitude: -154.2°
GRD00OVT0: Lighter areas are more quartz-rich with occasional plagioclase, opaques, and pyroxene. Mineral abundances vary between areas. Chert replacing carbonate? Carbonate and chert interlayered near bottom of slide. (C. Eichler)
N/A
N/A