WebThe Central Florida Land Pebble Phosphate Deposit is a surface mining operation. Initial production took place in 1890. The ore body is bedded 35 meters (114 feet) thick 15 … WebThere are three principal types of sedimentary phosphate deposits: nodular and bedded phosphorites, bioclastic and pebble bed phosphorites, and guano. Fat slabs and spherical …
Rock & Pebble Fertilizer Phosphate - Thomasnet
WebLand-pebble phosphate, hard-rock phosphate, and river-pebble phosphate are the three types of phosphatic rock found in Florida. This report is concerned primarily with the land-pebble deposits, the only type which contains a significant amount of uranium. WebTop Depth: 6.30 meters (20.67 feet) Thickness: 6.00 meters (19.69 feet) Ore Control: lithology, bedding Unconsolidated Material Thickness: 6.3 meters average (3 meters minimum) Ore Record Modified: 1985-06-19 Rocks Geological materials at the site. Class? 1st Order Name? 2nd Order Name? 3rd Order Name? 4th Order Name? Most Specific Name? mn dnr phone directory
Phosphate Florida Department of Environmental …
WebFlorida phosphate mining dates back to the first hard rock deposits found near Hawthorne in Alachua County in 1883. Endurance was imperative in the early years when phosphate mining was done with wheelbarrows, picks and shovels. Next came mule-drawn scrapers. Mechanized excavation began between 1900 and 1905 with steam shovels. WebRemoving this "overburden," and mining the phosphate layer proved far less expensive than mining river pebble phosphate or the "hard rock" phosphate in north Florida. Mining in Bone Valley began in 1890. A railroad, originally built to transport the lumber and turpentine produced in the region, ran through the heart of Bone Valley. A convenient ... WebTesting - The washer plant yields a pebble phosphate product and fine flotation feed. The pebble product is tested to determine the concentration of magnesium oxide (MgO). If the MgO concentration is less than one percent, it is considered a product and no further beneficiation is required. If the MgO concentration exceeds one percent, the ore is mn dnr renew fishing license