 Trace. (a) (") fluorine, but the evidence that the material did actually come from them is weak. If it is of any such origin, it presumably was not segregated during the weathering of the rocks and, recalling the field evidence, there seems little connection...  The Fluorspar Deposits of Southern Illinois - Seite 66von Harry Foster Bain - 1905 - 75 SeitenVollansicht - Über dieses Buch
 | 1905 - 640 Seiten
...51.75 49 94 52.24 F . .04 . 10 . 10 None. BaO . None. None. .02 None. Organic matter . . ... Trace. (") fluorine, but the evidence that the material did actually...the offshoots. It has already been pointed out that the ore bodies show no sign of secondary enrichment, and apparently the surf ace* waters now in the... | |
 | Waldemar Lindgren, Frederick Leslie Ransome - 1904 - 456 Seiten
...matter . - . Trace. (") ' 1 fluorine, but the evidence that the material did actually come from Ihem is weak. If it is of any such origin, it presumably...the offshoots. It has already been pointed out that the ore bodies show no sign of secondary enrichment, and apparently the surface waters now in the region... | |
 | Geological Survey (U.S.) - 1905 - 100 Seiten
...CaO 55.16 51.75 49.94 52. 24 F .04 .10 .10 None. BaO. .. None. None. .02 None. Organic matter Trace. (a) (") fluorine, but the evidence that the material...the offshoots. It has already been pointed out that the ore bodies show no sign of secondary enrichment, and apparently the surface waters now in the region... | |
 | Stuart Weller, Charles Butts, Louis Wade Currier, Rollin D. Salisbury - 1920 - 428 Seiten
...appreciable amount of fluorite ? After a detailed study of the Illinois fluorspar regions in 1904, Bain 1 believed "that the evidence points to heated waters...obtained an essential portion of their load from a larger mass of lower-lying intruded rock of which the dikes are now offshoots." As to whether the depositing... | |
 | 1920 - 430 Seiten
...appreciable amount of fluorite? After a detailed study of the Illinois fluorspar regions in 1904, Bain 1 believed "that the evidence points to heated waters...which the ores were segregated and that they obtained arl essential portion of their load from a larger mass of lower-lying intruded rock of which the dikes... | |
 | 1923 - 228 Seiten
...across the Ohio River from Crittenden and Livingston counties of Kentucky. In his report 10 Bain states "that the evidence points to heated waters having...of lower-lying intruded rock of which the dikes are now offshoots. " While he does not state with finality a belief in the magmatic origin of the depositing... | |
 | Illinois State Geological Survey - 1920 - 426 Seiten
...appreciable amount of fluorite? After a detailed study of the Illinois fluorspar regions in 1904, Bain 1 believed "that the evidence points to heated waters...obtained an essential portion of their load from a larger mass of lower-lying intruded rock of which the dikes are now offshoots." As to whether the depositing... | |
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