VIPMA. Patrick Lydon: "VIPMA is the Vancouver Island Placer Miners Association.We have 3 claims on the Leach river which is the best river for gold on Vancouver Island. Gold was discovered in the Leach river in 1864 and it led to a gold rush called the Leachtown gold ru
Adams County Colorado. Strasburg. The Gravel and bench deposits along Clear Creek, just north of Denver contains placer gold. All bars, and benches along Clear Creek, which is a tributary of the South Platte River, had extensive placer operations which produced 16,800 ounces of gold between 1922 and 1959.
Current List: Each month, we offer an abbreviated selection of minerals from our inventory of over 200,000 samples. If you don't see what you're looking for here, or on our Recent Catalogs pages, or on our Rare Species lists, please request a special quote by mail, email, fax or telephone.
Minerals can be classified into several groups according to their chemical composition. These groups are: 1) Elements (carbon , sulfur, zinc, gold, etc.) 2) Halides (element and halogen, such as chlorine, bromine, or iodine; one example is table salt [sodium chloride])
Groundwork Colorado Geology Overview The What, Where, When, How and Why of Colorado's Physical Past and Present . Right: Trees and snow mark major Laramide uplifts in green and white while salmon pink marks the Colorado Plateau in this true-color satellite image of Colorado and surrounding states, courtesy NASA's Visible Earth