This selection of greywacke pebbles is from Ōwhiro Bay, Wellington. Greywacke is a hard, grey sandstone, often with fractures that are filled with quartz veins. These range in width from paper-thin to several millimetres.
Te whakamahi i tēnei tūemi
Te Ara - The Encyclopedia of New Zealand
Photograph by Alastair McLean
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.