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Process / pipelineChemical Kinetics

Uanishaji wa Umunyevu wa Obsidiani

Uanishaji wa umunyevu wa obsidiani (OHD) ni njia ya kronometria inayobainisha umri wa zana za obsidiani kwa kupima unene wa tabaka la umunyevu linaloundwa kwenye nyuso zake zilizo wazi. Iliyobuniwa na Irving Friedman na Robert Smith mnamo 1960, inategemea kanuni kwamba nyuso mpya za obsidiani hufyonza maji kutoka mazingira yanayozunguka kwa kiwango kinachoweza kupimika. Njia hii ni muhimu sana katika akiolojia kwa kuainisha zana za kioo cha volkeno na vitu vingine vya obsidiani, hasa katika maeneo ambapo obsidiani ilitumika sana kwa zana za kukatia na kukwangua.

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Vyanzo

  1. Friedman, I., & Smith, R. L. (1960). A new dating method using obsidian: Part 1, the surface rind method. Journal of Geophysical Research, 65(4), 1287-1291. link
  2. Ericson, J. E., & Berger, R. (1975). Kinetic energy of ionizing radiation as a determinant of the obsidian hydration rate. Nature, 254(5496), 55-56. link
  3. Mazer, J. J., Bates, J. K., Stevenson, C. M., & Clelland, J. G. (1991). Obsidian-water reactions: Measuring extremely low water contents in obsidian. Geochimica et Cosmochimica Acta, 55(2), 395-405. link

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Obsidian Hydration Dating (OHD). ScholarGate. https://scholargate.app/sw/archaeology/obsidian-hydration-dating

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ScholarGateObsidian Hydration Dating (Obsidian Hydration Dating (OHD)). Imepatikana 2026-06-17 kutoka https://scholargate.app/sw/archaeology/obsidian-hydration-dating · Seti ya data: https://doi.org/10.5281/zenodo.20539026