Report of the State Geologist On the Iron Ores of Marshall And Benton Counties
The book Report of the State Geologist On the Iron Ores of Marshall And Benton Counties was written by author Economic Mississippi Geological Here you can read free online of Report of the State Geologist On the Iron Ores of Marshall And Benton Counties book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Report of the State Geologist On the Iron Ores of Marshall And Benton Counties a good or bad book?
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Here the current of the water undercut tha bank 16 to 18 feet high on the west side, and a recent slump has occurred exposing the whole face of the bluff for a distance of 10 or 12 yards The material of the upper half of the bluff is dark grayish sandy lignitic clay overlying a stratum composed of a bed of carbonate ore 12 inches thick. This stratum is in part a con- tinuous bed, but for part of the distance is composed of lin- ticular masses of large size lying closely together. Below this ore... stratum the material to the', base of the cut is gray mas- sive clay. In the ditch below this cut are large masses of excellent carbonate ore, and smaller masses varying in size from that of a walnut to blocks weighing 75 to 150 pounds ar? scattered rather thickly along the bed of the d'tch. All of this mater- ial impressed me as having slumped or rolled down from the south bank of the ditch. Here as farther down, something of a shelf or terrace probably marks the position of the ore bed. Since the outcropping ore beds in this vicinity, so far as observable, haA'e little if any dip, and since the ledge observ- ed at the slope just mentioned is at a level at least 10 or 12 feet above the ledge first described ontc'ropp'ng on this ditch, I am of the opinion that they are not the same, but that the 12 inch ledge overlies the 20 inch ledg?, separatred by a ver- tical interval of 10 or 12 feet.
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