Professional Equipment for Serious Detectorists!

Magazine

History & Geology

Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits

Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.

Online access required. Please LOGIN.

Add a Comment

Additional articles that might interest you...

Gold of the Iditarod Mining District, Alaska


It was the middle of winter and the valley was covered in snow, making prospecting a matter of sinking shafts in the ground.

The Tombstone Silver-Lead District, Arizona


In 1877, a prospector named Ed Schieffelin discovered silver in “the middle of nowhere” and staked two claims: “Tumbstone” and “Graveyard.” Soon a town and mining district were organized and acquired the name “Tombstone” after making a spelling correction.

Green Valley Gold District, Payson, Arizona


Most gold-bearing quartz veins found in the district were fracture fillings in faults enclosed by crushed quartz zones along their margins. Since the host rocks were often extensively weathered, portions of the veins stood out as positive, resistant outcrops. The gold-bearing veins ranged from a few inches wide to the vein at the Gowan mine that was as much as 12 feet wide. 

Diary of a Diamond Prospector


I couldn’t wait to get started. With no field budget, an assay budget of $100/year, a 1975-Ford Bronco that was a road hazard, a gas card, a topo map and full support of the director, I headed to the State Line district near Tie Siding along US Highway 287 to begin mapping kimberlite.

Using Vegetation and Soil Conditions as Prospecting Aids


Wouldn’t it be great if you could know if there is gold in the ground without setting foot on the ground? Well you can, to a certain extent, if you can recognize mined ground from unmined.

The Many Facets of Iron


I’ve been fascinated by iron minerals for many years. So let’s take a look at this very interesting and colorful element.

Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits


Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.

Subscription Required:
The Bawl Mill   • Ask The Experts: What is a Spanish needle?   • Ask The Experts: Sulfides and fluxes   • Legislative and Regulatory Update   • The "Madonna Nugget"—A Weekend Hunt to Remember   • The Goldfield Mining District, Nevada—Part II   • Sunset Sunbaker   • A Prospecting Adventure in Mexico   • Critical Minerals: Tungsten   • Police Urge Author to End Treasure Hunt   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
MMAC Update

Advertisements

Spearheading the return to reasonable regulation
Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fine Gold Recovery 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