stripes
Occurrence number:
174-00-041
Country:
United States
Region:
Idaho
Location:
Longitude: -113, Latitude: 43.47
Carbonatite:
No
At Big Southern Butte in the central Snake River Plain (Walker, 1964, Plate 1) non-hydrated glassy and crystallized aphyric comendite lava is associated with basalt. An analysis is available (Noble, 1968a, Table 1).
Age:
Pliocene or Quaternary.
References:
NOBLE, D.C. 1968a. Systematic variation of major elements in comendite and pantellerite glasses. Earth and Planetary Science Letters, 4: 167-72.
NOBLE, D.C. and PARKER, D.F. 1975. Peralkaline silicic volcanic rocks of the western United States. Bulletin Volcanologique, 38: 803-27.
WALKER, E.H. 1964. Subsurface geology of the National Reactor Testing Station, Idaho. Bulletin, United States Geological Survey, 1133-E: 1-22
Location: