Oil Seeps in Northern California
July 2001 by Edgar B. Heylmun, PhDIndians used asphalt from oil seeps in California for caulking boats and other objects long before the white man arrived. Spaniards noted seeps as early as 1542, and the Portola expedition in 1769 used oil for wagon axles and as a fuel. Spaniards also used crude stills for obtaining lamp oil for use in the missions.
The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.
Elections in the Republic of Congo may bring a mining boom to a country that has been ravaged by wars and corruption.
Well, we are now almost two months into the new Biden Administration (as of our mid-March press deadline) and there most certainly have been some changes in direction from the preceding Trump years.
A pediment is a broad, gently sloping erosion surface or plain of low relief that is often found in arid and semi-arid regions at the base of a receding mountain front. The example shown is from the Palo Verde Ranch 15-minute topographic quadrangle, southwest of Tucson, Arizona. This is one of the best examples the writer has ever seen.
One of the consequences of the weakening economy and the sharp declines in NASDAQ securities was a sudden weakening of the US Dollar (see chart of D-Mark). As investors began to pull their funds out of the US and return the funds to their native lands, this resulted in sales of the dollar, reducing it in value.
In July 2008, the Marstons filed an administrative claim alleging that when US Forest Service employees or their agents entered upon the Marstons’ claims and bulldozed the shaft and trenches, they engaged in unlawful trespass, negligently destroyed property, and committed a nuisance...
Serpentine, as used in this article, is both a rock and a mineral. The rock should be termed "serpentinite," but the word "serpentine" is in common usage for both the rock and mineral.
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