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Spanish Silver in Arizona
October 2001 by Edgar B. Heylmun, PhD
When Spaniards entered what is now Arizona, they encountered diggings made by Opata Indians. The Opata Indians, who now live and mine in the northeastern part of the state of Sonora, Mexico, were one of the few Indian tribes that was...
Ask The Experts: Will this detector work for me?
Q: I live near the Gold Basin area of Arizona. What detector will go deep and be easier to use for small gold? I need some help.
The Hill of Gold
I was amazed and surprised, and I took a moment to admire how beautiful this coarse chunk of gold was. It later weighed exactly one-half ounce.
What To Do When Gold Recovery and Assay Values Differ
Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.
Prospecting for Hard Rock Gold
After several hours we finally found some old home sites that had completely collapsed, and the only items remaining were old boards and metal piping. Finding the old house sites was a good thing, but the old mines and vein systems were still...
Mine Woes Could Mean Higher Taxes
Hard times for the copper industry could cost property owners in Grant County.
Mining Stock Quotes and Mineral & Metal Prices
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