Dating tashkent geologist

He was born in Khwarazm, then part of the Abbasid Empire (modern Khiva, Uzbekistan).

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He was also one of the earliest leading exponents of the experimental scientific method, and was responsible for introducing the experimental method into mechanics and mineralogy, a pioneer of comparative sociology and experimental psychology, and the first to conduct elaborate experiments related to astronomical phenomena.Kulbulak is an open-air site (41°00′31″N–70°00′22″E), c.1040m asl, at the foot of the Chatkal range, on the western edge of the Tian-Shan mountains, a few kilometres from the town of Angren (Akhangaran valley, Tashkent region, Uzbekistan; Figure 1). According to Kasymov & Grechkina (1994), the stratigraphy of Kulbulak corresponds to a long sequence that spans the Lower to Upper Pleistocene; it contains 49 archaeological horizons corresponding (from bottom to top) to 22 ' Acheulean' levels, 24 Mousterian levels and three Upper Palaeolithic levels.Then, by assessing the isotope concentrations of rubidium and strontium, scientists can back-calculate to determine when the rock was formed.The three isotopes mentioned can be used for dating rock formations and meteorites; the method typically works best on igneous rocks. The data from radioisotope analysis tends to be somewhat scattered.

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