A review of late Quaternary silicic and some other tephra formations ...

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(61 aegirine ± riebeckite ± aenigmatite ± olivine ± tuhualite. Assemblage 4 (cummingtonite-bearing) is restricted to eruptives from the Haroharo complex within ...
New Zealand Journal of Geology and Geophysics, 1990, Vol. 33: 89-109 0028-8306/90/3301-0089 $2.50/0 © Crown copyright 1990

UMWlM of WAIKATO E A R T H SCIENCES R E i RJKT l-'BHARY

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A review of late Quaternary silicic and some other tephra formations from New Zealand: their stratigraphy, nomenclature, distribution, volume, and age P. C. FROGGATT Research School of Earth Sciences Victoria University of Wellington P. O. Box 600 Wellington, New Zealand D. J. LOWE Geochronology Research Unit and Department of Earth Sciences University of Waikato Private Bag 3105 Hamilton, New Zealand Abstract The stratigraphic relationships and distribution of 36 named late Quaternary (