Chalcedony from Northland Region, New Zealand
New Zealand | |
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| Christie, A.B., Brathwaite, R.L. (1995) Mineral Commodity Report 8 - Mercury. Institute of Geological and Nuclear Sciences Ltd., 6 pp. |
Aurora Minerals, 2005, PROSPECTING PERMIT 39 270 HAZELBROOK, NORTHLAND NEW ZEALAND ANNUAL REPORT, Ministry of Economic Development New Zealand Unpublished Petroleum Report MR4188 |