14 NEW ZEALAND MINING Vl 27J 2000 Tony Christie1, Colin Douch2, Barry Winfield2 and Bruce Thompson1 1 Institute of Geological and Nuclear Sciences 2 Crown Minerals, Ministry of Economic Development Introduction With a population of 3.8 million, New Zealand has a limited market for industrial minerals. Waitarere - New Zealand. Mining - Quarry, Agricultural Contracting, Earthworks and Roading servicesGraeme Bagrie Contracts Ltd is a family owned and operated company with over 20 years of experience in the Agriculture and Earthmoving industries.Gravel and Sand Quarrying. Supplier of Sand. Quarried stone.