Search Results for: Mineral carving materials
relevance to the art's creators. even the word 'art' carries with it many modern prejudices about the purpose of the features. rock art can be divided into three distinct categories: petroglyphs : carvings made into stone surfaces, created by rock removal, including scratching, abrading, pecking, carving
, drilling, incising and sculpting. locations of choice are rock facets coated with patina, a dark mineral accumulation on rock surfaces. petroglyphs remove the patina, exposing the contrasting lighter rock interior. instances of negative images, produced by removing the patina surrounding the intended...
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