Martha Mine, Waihi, Waikato, North Island, New Zealand
The Martha Lode is a gold-silver orebody which is giant by world standards. This reef system is at least 1.6km long, 600m deep and up to 30m wide. This and other reefs and veins were extensively mined by the Martha Mine’s
Photo: Nathalie Nicole Brandes
underground operation between the 1880s and 1952.
However, many smaller veins stayed untouched and have been mined by open-pit methods since 1987. Rock with as little as one gram of gold per tonne can be mined economically using open pit modern technology.
Similar reef systems are being mined at Favona and at Trio as underground operations.
25 entries listed. 17 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
Brathwaite, R.L. and Christie, A.B. 2000. Deposit types and paleo-depth extents of Coromandel epithermal Au-Ag deposits in 2000 New Zealand Minerals & Mining Conference Proceedings
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Locality Updated: Osterberg district, Gernrode, Harz, Saxony-Anhalt, GermanyFrom Thomas Lühr, 23rd May 2013 20:53:42