RSS 1.0Mines Museum of Earth Science
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Recent Submissions
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Colorado mining: 1858 through 1869Ed Raines, a geologist, mineralogist, and mining historian, discusses the geology of Colorado as well as the history and evolution of mining in Colorado with a focus on the years 1858 through 1869.
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Colorado gold rushEd Raines, a geologist, mineralogist, and mining historian, discusses the geology, history, and events leading to the Colorado Gold Rush.
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Pikes Peak minerals: beyond amazonite and smoky quartz; Part 2Ed Raines, a geologist, mineralogist, and mining historian, discusses and describes the minerals and mineralization of the Pikes Peak batholith.
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Pikes Peak minerals: beyond amazonite and smoky quartz; Part 1: pegmatitesEd Raines, a geologist, mineralogist, and mining historian, discusses the Pikes Peak batholith, explaining crystal growth and geologic processes responsible for the formation of pegmatites and other minerals in the Pikes Peak area.
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Aspen and the Leadville LimestoneEd Raines, a geologist, mineralogist, and mining historian, takes a tour through geologic time and explains events leading to the formation of the Leadville Limestone and the mineralization of the Aspen area.
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History and geology of AspenEd Raines, a geologist, mineralogist, and mining historian, discusses the minerals and mining history of Aspen and describes events and people that helped shape the town of Aspen.
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Leadville: the silver boomEd Raines, a geologist, mineralogist, and mining historian, discusses the mining history of Leadville, the geology and mineralization of the area, and events leading up to the Leadville Silver Boom.
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Leadville: base metals and goldEd Raines, a geologist, mineralogist, and mining historian, discusses the history of mining in Leadville from the silver boom through the early 1990s.
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Leadville: the parade of peopleEd Raines, a geologist, mineralogist, and mining historian, provides an overview of the people who helped shape Leadville history, from mine owners and geologists to politicians, merchants, and entertainers.
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History of the Gilman mining districtEd Raines, a geologist, mineralogist, and mining historian, talks about the history of the Gilman mining district. This lecture provides an overview of the mineralization in this area and includes information about zinc ores, zinc, and brass, as well as information about the New Jersey Zinc Company. Ed also explains the history and importance of metallurgical processes, such as froth flotation, and discusses some of the commercial uses of zinc and brass.
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Geology of the Gilman mining districtEd Raines, a geologist, mineralogist, and mining historian, explains the geologic history of Gilman and goes on to describe the minerals found in the area.
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History of the Creede mining districtEd Raines, a geologist, mineralogist, and mining historian, talks about the history of the Creede mining district. This lecture includes details about the people, mines, and ores associated with the development of this site, as well as other relevant information surrounding mining and the mineral industry.
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Geology of the Creede mining districtEd Raines, a geologist, mineralogist, and mining historian, explains the history of our understanding of silicic volcanism as it applies to studies of the geology of Creede. Ed describes the volcanism and the formation of the calderas in the Creede area, the mineralization of the area, as well as other geologic processes that contributed to the formation of the silver-rich ore deposits of the Creede mining district.
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PyriteA cluster of pyrite crystals exhibiting the pyritohedral crystal form. Mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
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Chalcopyrite with minor tetrahedrite-tennantiteA large plate of intergrown chalcopyrite crystals with very minor tetrahedrite-tennantite from the Eagle mine, Gilman mining district, Eagle County, Colorado.
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Pyrite with sphaleriteIntergrowth of pyrite crystals exhibiting cubic and pyritohedral crystal forms with shiny, jet-black sphalerite crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.
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RhodochrositeA large mass of intergrown pink, disc-shaped, flattened rhombohedral crystals from the Eagle mine, Gilman mining district, Eagle County, Colorado.
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Pyrite, pseudomorph after marcasite with pyrite and sphaleriteSeveral large clusters of intergrown (former) marcasite crystals that have been replaced by pyrite--on pyrite, on sphalerite. This mineral specimen is from the Eagle mine, Gilman mining district, Eagle County, Colorado.
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BariteMineral specimen is from the Rocky Point claim, Eagle mine, Gilman mining district, Eagle County, Colorado, and shows intergrown translucent to transparent golden-brown crystals completely covering the specimen matrix.
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PyritePlate of interlocking pyritohedral crystals of pyrite from the Eagle mine, Gilman mining district, Eagle County, Colorado.
