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Ask The Experts - How do I work this glacial deposit?


Ask The Experts - How do I best recover gold in pyrite?


Ask The Experts - Is there a standard percentage given to land owners who hold the mineral rights?


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Ask The Experts - Where should I get my geology degree?


Ask The Experts - How much rock shall I crush to determine the value?


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Micron Mill Wave Tables, assay supplies, concentrators, impact mills, technical books & more!

Ask The Experts - Where can I get geological maps?


Ask The Experts - What happens to gold during flash flooding in dry areas?


Ask The Experts - How do gold and silver stocks react in market crashes?


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Serving Professional and Recreational Prospectors since 1979

Ask The Experts - I need help with more in-depth mining research


Ask The Experts - Is this gold?


Ask The Experts: How would you go about evaluating a silver deposit?


Any ore grading 32% silver would contain more than 9,000 ounces of silver per ton and be valued at something in the range of $150,000 per ton. Even a few tons of this type of material would be well worth shipping off to a smelter for treatment.

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Charles P. Watson, Chief Geologist

Ask The Experts: What is a Spanish needle?


Some fellow in Texas was selling a Spanish needle—a dousing device used to recover minerals in the old days. Do you know anything about these?

Ask The Experts: Sulfides and fluxes


The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...

Ask The Experts: What indicator rocks should I be looking for in northern Nevada?


Q: Can you tell us what the indicator rocks are? I’ve looked at the nearby digs and pushes that were made for gold and it looks like we’re digging on some similar material...

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Ask The Experts: What to do with scheelite


Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?

Ask The Experts: Small-scale drilling


Q: What is available to a small prospector? How does one prospect (drill) into the walls of an old hard rock mine to see what is 10 feet beyond...

Ask The Experts: How many claims can I file in Arizona?


Q: I plan to be filing as the sole owner of the claim. How many claims can I file for and what would be the size of claim(s)?

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Ask The Experts: What should I do with a large amount of old placer concentrates?


Q: I’m working with some folks who have a large amount of old placer concentrates stored on their recently purchased property.

Ask The Experts: Is an XRF gun useful for prospecting and mineral identification?


Q: I’ve thought about renting an XRF gun with gold specific software to use for exploration this spring.

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