Drywashing for Eluvial Gold in the Desert—Using a Portable Drywasher and Hand Tools
February 2005 by Jim StraightOften the gold being recovered by drywashing is too fine to be recovered by metal detecting. For every “detectable” nugget found, there could be hundreds of smaller flakes of non-detectable size. Thus, for those that “read the ground,” and snipe for areas of favorable placer concentration, drywashing will continue to be both an inexpensive...
A caldera is a large circular volcanic depression caused by collapse due to the removal of molten magma from an underlying magma chamber. The removal of magma is due to explosive venting of lava and pyroclastic material.
Q: I read in the April 2006 ICMJ’s Prospecting and Mining Journal about the Tulloch II rule. I have not read anything on or about it since. Is there any more written about it? I would appreciate anything you could tell me.
• Is there a single book that covers most aspects of mining and recovery?
• Election fallout
• Bad news in Bolivia
The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me.
Dr. Ralph E. Pray
The Bawl Mill • Shortage of Mining Engineers Projected • Ex-MarketWatch Mining Promoter Settles Charges • Carbonatites • Sage-Grouse Listing Denied • The Art of Finding Coarse Gold—Part III • Tongass Approves Kensington Mine Plan • PLP Interim Rule Raffle • California Miners Locate Rich Pocket of Specimen Gold • The Lucky Shot Mine • BC Premier Heralds "Golden Decade" in Forestry and Mining • Claim Filings Up in the Northwest • Canadian Officials Foresee Little Impact From Mine • Coeur d'Alene Mines Sees Future in Bolivia • The Golden Highway—Nevada County • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back