Heulandite Subgroup from selected localities.
New Zealand | |
| Krupp, R.E., Seward, T.M. (1987) The Rotokawa Geothermal System, New Zealand: An Active Epithermal Gold-Depositing Environment. Economic Geology 82:5, 1109-1129. |
Tschernich, R. (1992) Zeolites of the World, Geoscience Press, Inc. Bird, D.K., Schiffman, P., Elders, W.A., Williams, A.E., McDowell, S.D. (1984) Calc-silicate mineralization in active geothermal systems. Economic Geology 79:4, 671-695. |