 | Illinois. State Geologist - Geology - 1866 - 566 pages
...of a specimen of this rock from the Grafton quarries gave the following results : Insoluble matters 5.60 Carbonate of lime 47.79 Iron and alumina 1.40 Carbonate of magnesia : 42.86 Water and loss 2.35 100.00 At Salt Lick Paint, in Monroe county, where the proper horizon of this formation is exposed,... | |
 | Illinois State Geological Survey - Geology - 1866 - 558 pages
...of a specimen of this rock from the Grafton quarries gave the following results : Insoluble matters 5.60 Carbonate of lime •. 47.79 Iron and alumina 1.40 Carbonate of magnesia 42.86 Water and loss 2.35 100.00 At Salt Lick fbhit, in Monroe county, where the proper horizon of this formation is exposed,... | |
 | Illinois. State Geologist - Geology - 1882 - 566 pages
...of a specimen of this rock from the Grafton quarries gave the following results : Insoluble matters 5.60 Carbonate of lime 47.79 Iron and alumina '. 1.40 Carbonate of magnesia 42.86 Water and loss . 2 35 100. 1K) At Salt Lick Point, in Monroe county, where the proper horizon of this formation is... | |
 | Engineering - 1887 - 214 pages
...Geological Survey of the State of Illinois. Mr. Peatten's Analysis of a specimen of Grafton Stone: INSOLUBLE MATTER 5.60 CARBONATE OF LIME 47.79 IRON...CARBONATE OF MAGNESIA 42.86 WATER AND LOSS 2.35=100 •il Grafton Stone, The Cleveland Stone Co., QUARRYMEN OF BUFF AND BLUE, AMHERST AND BEREA SAWED AND... | |
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... below the river bed, and it has not been met with anywhere south of this point presenting similar lithological characters to those which distinguished it in Northern Illinois. Mr. PRATTEN'S analysis of a specimen of this rock from the Grafton quarries... 