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The Discovery and Preliminary Thermoluminescence Dating of Two Aboriginal Cave Shelters in the Selwyn Ranges, Queensland [online]. Australian Archaeology, No. 9, Nov 1979: 82–86. Availability: < > ISSN 0312-2417. [cited 04 Feb 15]. Antiquity.ac.uk, Rink, W. J., Bartoll, J. 2005. Dating the geometric Nasca lines in the Peruvian desert.
The idea of scientifically dating the shroud had first been proposed in the 1960s, but permission had been refused because the procedure at the time would have required the destruction of too much fabric (almost 0.05 sq m ≅ 0.5 sq ft).
The average age of a girl's first period is 12 to 13 (12.5 years in the United States, [6] 12.72 in Canada, [7] 12.9 in the UK [8]) but, in postmenarchal girls, about 80% of the cycles are anovulatory in the first year after menarche, which declines to 50% in the third year, and to 10% by the sixth. [9]
The K–Ar method continues to have utility in dating clay mineral diagenesis. [9] In 2017, the successful dating of illite formed by weathering was reported. [10] This finding indirectly led to the dating of the strandflat of Western Norway from where the illite was sampled. [10]
Unlike other isotopic dating methods, the "daughter" in fission track dating is an effect in the crystal rather than a daughter isotope.Uranium-238 undergoes spontaneous fission decay at a known rate, and it is the only isotope with a decay rate that is relevant to the significant production of natural fission tracks; other isotopes have fission decay rates too slow to be of consequence.
[1] [2]: vii Although girls typically begin the process of puberty at age 10 or 11, and boys at age 11 or 12, [3] psychiatric diagnostic criteria for pedophilia extend the cut-off point for prepubescence to age 13. [4] People with the disorder are often referred to as pedophiles (or paedophiles). Pedophilia is a paraphilia.
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