![]() ![]() The development of all karst landforms requires the presence of rock types capable of being dissolved by surface water or ground water. Water is essential to a wide variety of geological processes, both as a solvent of minerals in rock and soil and as a transport agent that carries away dissolved and weathered materials. ![]() Artfacts, in comparison, range from slight additions on stones and tools to extensively art-laden embellishments that seem to have little functionality whatsoever. PRA has a wide range of groupings, including slight additions on stones and tools. Artfacts have mostly been ignored, in spite of evidence that they embody a long practiced ancient art implemented continuously over many thousands of years. ![]() What Is Portable Rock Art? PRA, also referred to as artfacts, are a classification of ancient rocks and stone creations consisting of lithic assemblages or technological characteristics-including worked representations of faces and animals onto rocks and stone tools. ![]() The author uses the terms PRA and artfacts interchangeably to distinguish them from traditionally understood artifacts. In addition to these unambiguous pre-modern artistic creations, there is an abundance of human-crafted rock art heretofore unseen and commonly referred to as portable rock art (PRA). Paleo rock art from around the world ranges in style, method, and age, and includes cave paintings, petroglyphs, pictographs, polished and engraved stones such as effigies, stone sculptures, and portable ceremonial objects. ![]()
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