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James S. Crampton, Professor of Paleontology and Stratigraphy, Te Herenga Waka — Victoria University of Wellington

Delving into ‘deep time’: what NZ’s ancient past reveals about its present

A view of the Waiau Toa Clarence River valley in southern Marlborough, encompassing rock strata that span 120 million years of Aotearoa’s geological history, including the reference strata for parts of our geological timescale. Kyle Bland, CC BY-ND

We know Aotearoa New Zealand is home to many geographically and biologically special features. Yet few of us know it also has its very own measure of “deep time”.

Known as the New Zealand Geological Timescale, it has just undergone its most comprehensive revision in 20 years.

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