Professional Equipment for Serious Detectorists!

Magazine

All Articles

Gemstones

by Ronald F. Balazik
Excerpted from USGS Mineral Industry Survey's 1998 Annual Review

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Alaska: Kodiak Islands Mineral Resources


The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.

The Miner’s Switchback


Common thought is the switchback slows the velocity of the rushing water and gold drops out from the cut bank to a fill gravel bar within or below the switchback. I am not going to disregard that model; however, I hope to improve upon it.

Ask The Experts


Q: How do I improve my small-scale mining operation’s gold production?

Using Structural Clues to Locate Buried Placer Channels


They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.

Mutiny on The Mason


We decided to check some spots that were pretty good to us on previous trips. The detector was deceptively simple with few buttons and auto-ground balance.

The Golden Highway—Calaveras County


Heading north along Highway 49 into the central Mother Lode, the first old mining town in Calaveras County was Melones, located along the banks of the Stanislaus River. The town was named for the unique coarse gold flakes found in the gravels that resembled melon seeds, hence the name that came from the Mexican miners.

The Basics of Permitting and Bonding Your Mining Operation


With the recent surge of interest in gold projects, it’s about time to revisit a subject that strikes fear into the hearts of small-scale miners: Permits.

Subscription Required:
The Bawl Mill   • Our Readers Say   • The Economy, The Environment and Equity   • Carrizozo Lava Older Than Once Thought   • Montana Mining Association Raising Cash   • GATA Releases Open Letter to the Press   • WANTED: Mining Poets, Singers & Storytellers   • BLM Proposed Rule Making Affects Mining Claims   • Company Notes   • Mining Battle Case Under Advisement   • Sutro Tunnel a Big Draw   • Picks & Pans: Prospecting for Lode Gold   • The Search for Specimen (Pocket) Gold in the California Mother Lode   • Dry Lakes in Nevada   • A Hairsbreadth from Death   • Special Suction Dredge Permits in Jeopardy   • Cartwrights Celebrate 40 Years in Nevada   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

Free:
Legislative Update

Advertisements

Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue