Elements of geology, or, The Elements of geology, or, The ancient changes of the earth and its inhabitants as illustrated by geological monuments elementsofgeolog00lyel Year: 1868 Graphic granite. Fig. 735. Section parallel to the lamince. Fig. 736. Section transverse to the lamina?. alternate plates of felspar and quartz, presents broken lines, which have been compared to Hebrew characters. The variety of granite called by the French Pegmatite, which is a mixture of quartz and common felspar, usually with some small admixture of white silvery mica, often passes into graphic granite.

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