Image
Greywacke makes up the main mountain ranges in New Zealand. Most of the material being eroded from the mountains is greywacke, so boulders of greywacke are abundant in most rivers and beaches around the coast.
Te whakamahi i tēnei tūemi
Te Ara - The Encyclopedia of New Zealand
Source: GNS Science
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.