Oil Seeps in Arizona
December 2003 by Edgar B. Heylmun, PhDCompared to California, Arizona has virtually no oil seeps. But, the great Permian Basin of West Texas has virtually none either. Arizona has something that neither California nor Texas have, and that is public lands that are open for leasing. The northern half of Arizona has more seeps and is thus of greater interest, but it would be foolish to disregard the southern half because giant oil and natural gas fields could underlie some of the broad desert valleys.
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
The sleepy town of Mariposa, known more today as one of the gateways to Yosemite National Park, was once considered the southern end of the famed “Mother Lode” gold deposits that stretched hundreds of miles throughout California’s Sierra...
Agate, a banded form of chalcedony (cryptocrystalline quartz), has been used as a gemstone for over 7,000 years. Romans cut and polished agate, and this practice was taken to new heights in Germany in the 16th century.
Alaska is getting a lot of interest these days, not least because of all the gold prospecting shows on television. Hardly a month seems to pass without some new prospecting show being announced, and a couple of the most popular feature Alaska.
It is not my choice to be diving under the icy waters of the East Fork River in the last days of chilly January. But indeed there are a few brave souls that like to suffer, as I see it. Then again the rewards can be great. If you have the proper equipment and the...
I studied prominent terrain features and debris fields, located and followed high water lines and marked the newest flood lines left behind by the intense April storms.
Over the years, I’ve proved to myself over and over again that I don’t have to wait many weeks after rains before I head out to the goldfields to do some gold digging.
The Bawl Mill • Searching for Placer Diamonds • Lawsuit on Alleged Market Manipulation Continues • Texas "Hill Country" Gold • A Guide to Overlooked Gold Deposits—Part IV • Picks & Pans: Detecting in Northern Nevada • Miners Welcome Comments by Alaska Official • Company Notes • Spectacular Specimens Found in Northern Nevada • New Life for the Suction Nozzle • Looking Back • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices