Eye of beholder. (Letters).If the stones in "Stone Age signs of complexity" (SN: 1/19/02, p. 40) simply were used for grinding ocher ocher (ō`kər), mixture of varying proportions of iron oxide and clay, used as a pigment. It occurs naturally as yellow ocher (yellow or yellow-brown in color), the iron oxide being limonite, or as red ocher, the iron oxide being hematite. to make powder, would not the grinder Grinder A slang term for a person who works in the investment industry and makes small amounts of money at a time on small investments, over and over again. Notes: rough up the surface to make it a better grindstone grindstone or grind common metaphor for industriousness. [Pop. Culture: Misc.] See : Industriousness ? The marks may be nothing more than primitive knurls. Rather than art, this looks like a tool to me, not different in principle from flaked flint. How does that interpretation, which doesn't involve symbolism, push back abstract thought? W.W. VARNEDOE JR., HUNTSVILLE, ALA. |
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