Which 4 of the following are true about the gold deposits at Waihi?

1. The gold deposits were formed as a result of tectonic activity millions of years ago
2. The gold deposits found in Waihi are alluvial deposits
3. Gold is found in the same location as silver and they are often mined together
4. The Waihi region is still a centre of major volcanic activity causing more gold to form
5. Gold forms in large quartz veins
6. The largest vein at Waihi is called the Martha lode

Which 4 of the following are true about the mining history of the Martha mine?

1. The cyanide process was first trialled in the Karangahake gorge region
2. Mining here has always been open cast as the deposits are large
3. Crushing of the ore in olden times happened with large hammers called batteries
4. A mine has always operated in the Waihi region
5. The Martha mine was named after a relative of the man who first mined here
6. The gold mines in Waihi use to employ over 1,500 workers in their heyday.

Which 3 of the following are true about the mining process at Waihi?

1. The main mine is located 5 km from the centre of Waihi
2. The mine operates 24 hours a day and 7 days a week.
3. Processing of the ore occurs on the same site as the mine itself
4. Mining still uses cyanide to dissolve gold from the ore
5. An extension was granted to the mine so that it will now operate until 2007
6. The mine itself involves a pit that is 600 m wide and 250 m deep