Report

Hydrothermal alteration at Ngawha
Login to download

A review of 6 drillholes at Ngawha has revealed two types of hydrothermal alteration (1) veining (2) alteration of clays to other phyllosilicates. The minerals were deposited from hot water or near neutral pH

Report ID mr98
Class Mineral
Type
  • Discussion
  • Geological
Permit UNKNOWN
Operator University of Auckland
Commodity All Metallics
Region Northland Region
Start Date 01 January 1981
End Date 31 December 1981
Report extents in GeoJSON
Author Browne P.R.L.
Data Format
  • PDF