The Tasman region, and the small adjoining Nelson region, form one of the more geologically interesting regions of New Zealand. It contains the oldest rocks of anywhere on New Zealand's main islands.
Cartoon cross-section of New Zealand stratigraphy. Cenozoic deformation has been removed for clarity.
Tasman District is a local government district in the northwest of the South Island of New Zealand. It borders the Canterbury Region, West Coast Region, Marlborough Region and Nelson City. It is admin