QUARTZITE • FREE-TRANSLATOR.COM • Definition of Quartzite

... existence of men in North America during the Glacial epoch have in recent years been discovered in abundance, as for example, the palaeolithic quartzite implements found in the drift near the city of St. Paul, which date from toward the close of the Glacial epoch[6]; the fragment of a human jaw found in the red clay deposited in Minnesota during an earlier part of that epoch;[7] the noble collection of ...

— The Discovery of America Vol. 1 (of 2) - with some account of Ancient America and the Spanish Conquest • John Fiske

... fragments of four others; probably 100 cobblestones used as hammers and pestles, some of them pitted on the sides, a few showing marks of much use (pl. 16, A); a small, very solid piece of hematite worn round by use as a hammer; a small, imperfect tomahawk made of quartzite (pl. 16, B, a); many mussel shells, some used as knives and scrapers; animal bones, some of them worked into implements, including a perfect skiver (pl. 16, B, b); several pieces of hematite and limonite used as paint stones (pl. 16, B, c); many fragments of pottery, ...

— Archeological Investigations - Bureau of American Ethnology, Bulletin 76 • Gerard Fowke