New K-Ar age determinations indicate that the exposed portion of the Tongariro volcanic complex has grown steadily since at least 275 ka, with intervals of vigorous cone growth at 210-200.130-70. and 25 ka to the present day.
|Title||Growth of the Tongariro volcanic complex: New evidence from K-Ar age determinations|
|Authors||B.J. Hobden, Bruce F. Houghton, M. A. Lanphere, I.A. Nairn|
|Publication Subtype||Journal Article|
|Series Title||New Zealand Journal of Geology and Geophysics|
|Record Source||USGS Publications Warehouse|
|USGS Organization||Volcano Hazards Program|