He calls attention to the occurrence of corundum chiefly in chlorite veins and says: "The chlorite seems to have been first crystallized; and then the alumina, of which the corundum is composed, was evidently in a state of solution and must have permeated... Corundum and the Peridotites of Western North Carolina - Seite 340von Joseph Hyde Pratt, Joseph Volney Lewis - 1905 - 464 SeitenVollansicht - Über dieses Buch
| North Carolina. State Geologist - 1875 - 494 Seiten
...these Chloride veins the Corundum chiefly occurs. The Chlorite seems to have been first crystalized, and then the Alumina, of which the Corundum is composed,...permeated the Chlorite either in thermal waters or steam. This theory is sustained by facts patent to every careful observer. Plates or scales of Chlorite are... | |
| North Carolina. State Geologist - 1875 - 500 Seiten
...these Chloritic veins the Corundum chiefly occurs. The Chlorite seems to have been first crystalized, and then the Alumina, of which the Corundum is composed, was evidently in a state of solution and mast have permeated the Chlorite either in thermal waters or steam. This theory is sustained by facts... | |
| 1898 - 1090 Seiten
...facts that led to his belief in the igneous origin of the peridotites, but does not discuss the same. He calls attention to the occurrence of corundum chiefly...been first crystallized, and then, the alumina of whicli the corundum is composed was evidently in a state of solution and must have permeated the chlorite... | |
| 1905 - 918 Seiten
...out, but does not discuss, the facts that led to his belief in the igneous origin of the peridotites. He calls attention to the occurrence of corundum chiefly...given to sustain this theory are that plates or scales are sometimes inclosed in the corundum and that corundum has been observed that conforms in its faces... | |
| Joseph Hyde Pratt - 1906 - 250 Seiten
...out, but does not discuss, the facts that led to his belief in the igneous origin of the peridotites. He calls attention to the occurrence of corundum chiefly...given to sustain this theory are that plates or scales are sometimes inclosed in the corundum and that corundum has been observed that conforms in its faces... | |
| 1915 - 736 Seiten
...igneous origin of the dunite. Affecting the occurrence of corundum in veins of chlorite, he states that "the chlorite seems to have been first crystallized;...the chlorite either in thermal waters or steam."* AA Julien in his paper on the "Dunyte Beds of North Carolina"* regards the corundum as in all cases... | |
| Alfred Ernest Barlow - 1915 - 560 Seiten
...igneous origin of the dunite. Affecting the occurrence of corundum in veins of chlorite, he states that "the chlorite seems to have been first crystallized;...permeated the chlorite either in thermal waters or steam."2 AA Julien in his paper on the "Dunyte Beds of North Carolina"• regards the corundum as in... | |
| Margaret Cameron Cobb - 1924 - 66 Seiten
...origin for the dunite~and a crystallization of the chlorite prior to the formation of corundum, says "the alumina of which the corundum is composed was...permeated the chlorite either in thermal waters or steam." In contrast with the above theories, AA Julien,5 in 1882, gives the North Carolina corundum a secondary... | |
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