Study of the Thermoluminescence and Optical Stimulated Luminescence properties of quartz crystal

Gozzi, G.; Costa, Agustin; Tatumi, Sônia Hatsue; Kassab, L.R.P.; Momose, E. F.; Munita, Casimiro S.; Paiva, R. P.

doi:10.1080/10420150108214076

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2012

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“…TL dating of pottery fragments is now in widespread use in archaeology (Tatumi et al 1998, Martins et al 1999. The pioneer work in OSL dating was reported by Gozzi et al (2001). They used quartz in order to obtain the deposition ages of sediments, and the samples were collected from an archaeological site, located in the state of Mato Grosso do Sul, Brazil.…”

Section: Introductionmentioning

confidence: 99%

TL, OSL and C-14 dating results of the sediments and bricks from mummified nuns' grave

Tudela

Tatumi

Yee

et al. 2012

An. Acad. Bras. Ciênc.

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This paper presents the results of TL and OSL dating of soil and fragments of bricks from a grave, which was occupied by two mummified nuns, found at "Luz" Monastery, located in the state of São Paulo, Brazil. The TL and OSL ages were compared to C-14 dating ones obtained from bone collagens of the mummies. The majority of the ages is related to the eighteenth century. The gamma-ray spectroscopy was used to evaluate natural radioisotope concentrations in the samples, and by using these concentrations the annual dose rates, from 3.0 to 5.3 Gy/kyr, were obtained. Neutron activation analysis was performed and the radioisotope contents results are in agreement with those obtained by gamma-ray spectroscopy. The contents of U, Th and Ce elements were higher than those found in usual sediments.

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Section: Introductionmentioning

confidence: 99%