"Labradorite" Quotes from Famous Books
... latitudes than farther south. This puzzled me much at first. Evidently, however, it was due in part to the nature of the rock. At Sleupe Harbor, latitude 51 deg., this was granite;[C] farther on it was sienite; then the sienite showed a strong predominance of feldspar; then it became an impure Labradorite; then passed into gneiss; the gneiss became soft, stratified, and frequently intersected by trap;—and with every softer quality of rock there was an improvement in vegetation. This was particularly observable at L'Anse du ... — The Atlantic Monthly, Volume 15, No. 91, May, 1865 • Various |