K Feldspar from Crown Mine (Monastery; Mammoth; Ravenswood), Karangahake, Hauraki District, Waikato Region, New Zealand
New Zealand | |
| Simpson, M.P., Mauk, J.L. (2011) Hydrothermal Alteration and Veins at the Epithermal Au-Ag Deposits and Prospects of the Waitekauri area, Hauraki Goldfield, New Zealand. Economic Geology, 106:6, 945-973. |