By Thomas M. Scott, James Cathcart
About The Product
Published via the yankee Geophysical Union as a part of the Field journey Guidebooks Series.
Welcome to the foreign Geological Congress box journey T178 Florida Phosphate Deposits. we are hoping you'll get pleasure from this day trip in Florida. The journey will stopover at energetic phosphate mines in important and northern Florida and a limestone mining operation.
Phosphorites deposited within the southeastern usa through the Miocene have attracted the eye of geologists for a few years. various reviews have investigated the genesis, diagenesis, stratigraphy, mineralogy and volume of those deposits, even if, questions about the phosphorites and the linked sediments stay. The curiosity within the phosphorites has led to the advance of this box journey and guidebook.
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Extra resources for Florida Phosphate Deposits: Tampa to Jacksonville, Florida June 30-July 7, 1989
However, both carbonate minerals and quartz must be separated from the phosphate particles to make an acceptable concentrate. The apatite in the southern extension is more highly substituted and less weathered than the apatite in the land-pebble district and therefore, contains more MgO and less P205. This is also true with the deeper and less weathered apatite of the Peace River Formation in the land-pebble district, as compared with the apatite of the Bone Valley Member of that formation. 5 percent MgO, and only about 30 to 31 percent P20S.
Aluminum and iron phosphate minerals, present in the upper beds of the land-pebble district, formed during lateritic weathering. Aluminum phosphate minerals 'have not been found in the southern extension which has undergone less severe weathering. T178: 33 Vertical (stratigraphic) distribution of minerals in the minus 200 mesh (slime) fraction of samples from a drill hole in Hardee County are shown on Figure 5. Data are from x-ray diffractograms, and the slime fraction data are shown because the clay and aluminum phosphate minerals are concentrated in this fraction, and the relative amounts of the other minerals reflects their percentage in the total rock.
Natural Water Quality. Table 1 gives an average composition of the Floridan and Figure 1 compares the composition with the surficial aquifer system. In general, the water is somewhat hard and slightly alkaline. The water is a calcium-magnesiumbicarbonate solution. Sulfate does not appear to be a problem in the upper Floridan. The Floridan contains potable water throughout the district. However, sulfate is a problem in several areas. In the central part of the district, sulfate concentrations increase with depth, but water-quality standards are seldom exceeded.
Florida Phosphate Deposits: Tampa to Jacksonville, Florida June 30-July 7, 1989 by Thomas M. Scott, James Cathcart