Description from text: fig. I. Specimens of fossils found in the united states. I. A piece of sparry ore, or rather an irregular body formed by the wash of a bed of different minerals. It is of a greenish colour, with intersections of a calcareous earth. The whole is extremely light, and seems to owe its origin chiefly to copper; but is of little value. Ii. A specimen of the basaltic iron ore, having small black columns rising from a loose body of glimmer rock. Iii. A crystal of its natural size, found near tuscarora mountain. Iv. An assemblage of crystals from the same place. V. A piece of very rich iron ore, of a blue colour, veined with spar, brought from the western country. Vi. A sparry shell found there. Identifier: columbianmagazin31789phil (find matches)
title: the columbian magazine: or, monthly miscellany
year: 1789 (1780s)
publisher: philadelphia: t. Seddon, w. Spotswood, c. Cist & j. Trenchard
contributing library: university of pittsburgh library system
digitizing sponsor: university of pittsburgh library system. Date: 1789.
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