13 Mar 09 Pulverized Mineral Processing
Pulverized minerals are produced at specialized processing plants. These plants supply mineral products ranging from sizes of approximately 1 micrometer to more than 75 micrometers aerodynamic diameter. Pharmaceutical, paint, plastics, pigment, rubber, and chemical industries use these products. Due to the specialized characteristics of the mineral products and the markets for these products, pulverized mineral processing plants have production rates that are less than 5% of the production capacities of conventi... Full articleTags: Pulverized Mineral Processing, stone processing
13 Mar 09 Crushed Stone Processing
Major rock types processed by the crushed stone industry include limestone, granite, dolomite, traprock, sandstone, quartz, and quartzite. Minor types include calcareous marl, marble, shell, and slate. Major mineral types processed by the pulverized minerals industry, a subset of the crushed stone processing industry, include calcium carbonate, talc, and barite. Industry classifications vary considerably and, in many cases, do not reflect actual geological definitions. Rock and crushed stone products generally a... Full articleTags: Crushed Stone Processing, stone processing
13 Mar 09 Industrial Sand And Gravel
Industrial sand and gravel typically are mined from open pits of naturally occurring quartz-rich sand and sandstone. Mining methods depend primarily on the degree of cementation of the rock. In some deposits, blasting is required to loosen the material prior to processing. The material may undergo primary crushing at the mine site before being transported to the processing plant. The mined rock is transported to the processing site and stockpiled. The material then is crushed. Depending on the degree of cementat... Full articleTags: Industrial Sand And Gravel, Sand And Gravel Processing
13 Mar 09 Construction Sand And Gravel
Sand and gravel typically are mined in a moist or wet condition by open pit excavation or by dredging. Open pit excavation is carried out with power shovels, draglines, front end loaders, and bucket wheel excavators. In rare situations, light charge blasting is done to loosen the deposit. Mining by dredging involves mounting the equipment on boats or barges and removing the sand and gravel from the bottom of the body of water by suction or bucket-type dredges. After mining, the materials are transported to the p... Full articleTags: construction sand and gravel, Sand And Gravel Processing
11 Mar 09 Rock Cycle Video
Introduction about rock cycle, also see detailed info of rock cycle. // Full article
