http://10xminerals.com/blog Wed, 23 Jul 2008 21:53:23 +0000 http://backend.userland.com/rss092 en In the mid-1970's I spent a good deal of time working on projects in Central and Southwestern Colorado. Among several areas of interest in the Gunnison area was an exploration project that incorporated much of the Italian Mountain intrusive complex, an area some 15 miles NE of Gunnison. This is ... http://10xminerals.com/blog/2008/07/13/italian-mountain-colorado/ A nice mineral collecting day trip from the Reno area is to the Nightingale Mining District, an area with many mines and interesting geology, flora and fauna. The area produced mostly tungsten with some by-products but has not been significantly active since the demand for the metal declined after the ... http://10xminerals.com/blog/2008/06/16/nightingale-mining-district/ The Leadville Mine northeast of Gerlach in Washoe County, Nevada, has produced a variety of metals from ores associated with porphyritic dikes in andesite. There is a mention in the literature that there were large fluorite crystals associated with the deposits, although there are no real details describing the ... http://10xminerals.com/blog/2008/05/29/blackrock-desert-overnight/ In the early and mid 1970's I spent several months working on the uranium potential of the Denver Basin and, in particular, the area east and southeast of Colorado Springs and Trinidad. We were evaluating mostly Lower Cretaceous rocks but spent some time checking surface and sub-surface anomalies based on ... http://10xminerals.com/blog/2008/05/14/se-colorado-barite/ In the mid-1970's I spent some time working in SW Colorado in the La Plata Mountains near Durango. This area has produced significant gold (the Bessie G mine, for example, was active at that time) and has been investigated for its porphyry copper potential and uranium as well. The Tomahawk Mine ... http://10xminerals.com/blog/2008/04/24/tomahawk-basin-colorado-fluorite/ During our trip to Brazil in 1988 we visited Belo Horizonte, a perpetual hub for the gem and mineral trade in Minas Gerais. We saw a number of dealers with wonderful specimens but perhaps the most memorable was a non-descript office and showroom where we saw the most unexpected and ... http://10xminerals.com/blog/2008/04/14/brazilian-beryls/ In the spring of 1988 we spent a month in Brazil. We were looking for the usual mineral and gemstone specimens, and wanted to stock up on quartz and things like spheres for the 'crystal craze' that was in high form then. Our primary purpose was more long-range, however. The ... http://10xminerals.com/blog/2008/04/09/paraiba-tourmaline-mine-brazil-1988/ In the early 1980’s development work at the Homestake Mining Company Mclaughlin Mine project at the junction of Napa, Lake and Yolo counties in California turned up some nice stibnite specimens. Drill core from some areas contained scattered stibnite in veins and vugs, and in one case, stout crystals up ... http://10xminerals.com/blog/2008/04/08/mclaughlin-mine-stibnite/ This blog will be a site for sharing information about minerals, mineral collecting and related subjects for anyone with an interest. I look forward to hearing from others with news, collecting site information or those who just want to chat. I have personal experience in many areas including the midwest, ... http://10xminerals.com/blog/2008/04/02/home/