Radiocarbon dating is a method that provides objective age estimates for carbon-based materials that originated from living organisms. The impact of the radiocarbon dating technique on modern man has made it one of the most significant discoveries of the 20th century. Archaeology and other human sciences use radiocarbon dating to prove or disprove theories. Over the years, carbon 14 dating has also found applications in geology, hydrology, geophysics, atmospheric science, oceanography, paleoclimatology and even biomedicine.
Line drawings: YJL.
When miners were sinking a ventilation shaft for the new Crinum Coal Mine in Central Queensland in see map below they unearthed a rare find. After digging through the thin surface sands and clays, followed by basalt, 21 metres almost 69 feet down they found pieces of wood entombed in the bottom basalt flow. The wood was in three states—ash, charred, and intact.
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