Chatham Islands

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Date: 31 January – 7 February 2026
Leader: Hamish Campbell

This excursion is a rare opportunity to visit a remote outpost of Southern Gondwana and Eastern Zealandia.

We will explore aspects of:

1) submarine Gondwana margin: metamorphic basement (Mesozoic Chatham Schist)
2) subaerial Gondwana margin: fluvial flood plain to marginal marine sedimentary rocks (Tupuangi Formation, mid-Cretaceous)
3) subaerial Zealandia: intraplate basalt volcanics (Late Cretaceous)
4) submarine Zealandia: volcanogenic, authigenic and biogenic marine sedimentary rocks (Late Cretaceous to Pliocene), and  5) subaerial Chatham Islands: shallow marine shell-beds,eolian sand, paleosol, peat, tephra (Pleistocene – Recent)

Other Field Trips

Active Geomorphology from Marlborough to Canterbury – How Faults, Landslides and Sediment Cascades have Shaped Contrasting Landscapes

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Date: 31 January – 1 February 2026
Cost ($NZD inc 15% GST): Approx $500 – $600 per person

Lacustrine sedimentation – ancient rift fill tectonic control on alternating lacustrine and coal

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Date: 31 Jan – 4 Feb 2026
Cost ($NZD inc 15% GST): Approx $1,000 per person

In the Shadow of Mt. Taranaki: Miocene to Recent Deposits from Rivers to the Deep Sea

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Date: 30 January – 2 February 2026
Cost ($NZD inc 15% GST): Approx $700 per person

Chatham Islands

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Date: 31 January – 7 February 2026
Cost ($NZD inc 15% GST): Approx $6,500 per person

Distal sedimentation from large-volume silicic eruptions in a regression-dominated marine environment

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Date: 22 – 23 January 2026
Cost ($NZD inc 15% GST): Approx $410 to $460 per person

Volcano-sedimentary processes around New Zealand’s active andesite and rhyolite volcanoes

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Date: 21 – 25 January 2026
Cost ($NZD inc 15% GST): Approx $1,100 to $1,200 per person

Sedimentation on an Evolving Margin

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Date: 22 – 24 January 2026
Cost ($NZD inc 15% GST): Approx $770 to $850 per person