Economic Geology
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The following analyses are given by Harder (Min. Res. 1908), to show the gradation from hard ore to soft ore.
ANALYSES OF CLINTON IRON ORE FROM ALABAMA 1 2 " 3 4 Fe . --. ' 3700 45 70 50 44 54 70 SiO-> 7. 14 12. 76 12. 10 13. 70 A1-O 3 381 4 74 606 5 66 CaO 19 20 8. 70 4. 65 . 50 Mn 23 19 21 . 23 S . . .
08 08 07 08 P 30 49 46 10 The unweathered ore is said by Burchard to range fi om a richly ferru- ginous sandstone to a ferruginous- siliceous limestone.
New York (55). In this state the outcrop... of the ore extends across the central and western part of the state (Fig. 172). The whole formation dips gently southward, with a gentle north-south synclinal trough in Cayuga and Wayne counties. Both oolitic and fossiliferous ore are found, and at least two beds, and sometimes four, may be present at any given locality. The ore varies in its richness, and while the deposits are very extensive, they have been but little developed.
544 ECONOMIC GEOLOGY FIG. 172. Map showing outcrop of Clinton ore formation in New York State.
What to read after Economic Geology?
You can find similar books in the "Read Also" column, or choose other free books by Ries, Heinrich, 1871-1951 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The following analyses are given by Harder (Min. Res. 1908), to show the gradation from hard ore to soft ore.
ANALYSES OF CLINTON IRON ORE FROM ALABAMA 1 2 " 3 4 Fe . --. ' 3700 45 70 50 44 54 70 SiO-> 7. 14 12. 76 12. 10 13. 70 A1-O 3 381 4 74 606 5 66 CaO 19 20 8. 70 4. 65 . 50 Mn 23 19 21 . 23 S . . .
08 08 07 08 P 30 49 46 10 The unweathered ore is said by Burchard to range fi om a richly ferru- ginous sandstone to a ferruginous- siliceous limestone.
New York (55). In this state the outcrop... of the ore extends across the central and western part of the state (Fig. 172). The whole formation dips gently southward, with a gentle north-south synclinal trough in Cayuga and Wayne counties. Both oolitic and fossiliferous ore are found, and at least two beds, and sometimes four, may be present at any given locality. The ore varies in its richness, and while the deposits are very extensive, they have been but little developed.
544 ECONOMIC GEOLOGY FIG. 172. Map showing outcrop of Clinton ore formation in New York State.
What to read after Economic Geology?
You can find similar books in the "Read Also" column, or choose other free books by Ries, Heinrich, 1871-1951 to read onlineMoreLess
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