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Geowizard
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by Geowizard » Fri Jun 07, 2019 2:53 pm
Hi Guys and Gals,
Gold prospecting is all about understanding GOLD deposits...
YouTube provides a rich resource for information on how GOLD is formed. This is one of the best videos that I know of on the subject of Orogenic GOLD deposits:
https://www.youtube.com/watch?v=RBGuaCDMPzM&t=1s
This video also points out the association of Lode GOLD deposits with Placer GOLD. Where does the GOLD come from? Watch this video and find out!
- Geowizard
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Kiwigold(NZ)
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by Kiwigold(NZ) » Sun Jun 23, 2019 3:23 am
Yep he nails it Geowizard in pretty well, not to technical terms. Although a basic knowledge of Geology helps. How many know what metamorphism is. Way back when I was young and got into gold. I soon worked out that if I was going to find some, I had better have a good knowledge of first "How it got there, and "where did it come from". So I started reading up on Geology, started of with basic geology, moved into structural geology, then economic geology, then the Nature of Ore Deposits, then the Nature of Placer or Alluvial Deposits. Branched of into Glaciation for a while. And also got into Beach Morphology, as we have beach gold here in the region I live in, in New Zealand. I found geology to be a wondrous thing. Still leaning tho. My region is very geologically diverse. Our gold/ore quartz deposits in my area are of a a metamorphosed structure of sedimentary origin. Basically comprised of Greywacke or Argillite. Uplifted by way of tectonic plate collision. (Pacific Plate and Australian Plate. The gold bearing quartz reefs are generally exposed as saddle Reefs, but live to depth. The old Quartz miners did it hard. Often losing the run of the reefs due to strike-slip faults. Of which there are plenty. Drilling wasn't an option in those days. So they had to tunnel and sink, to try to locate the errant or lost reef. Many a good mine went into receivership before a reef was relocated as the shareholders ran out of money for exploratory work. Guess that is still applicable today in many instances. Thanks for the link.
Trev(NZ)
