Age determination by study of the thermoluminescence of smoky quartz

Kaul, Isha; Bhattacharya, P. K.; Tolpadi, S. K.

doi:10.1029/jz071i004p01275

Cited by 10 publications

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“…Although the smoky quartz samples were reported to be found at a depth of about 8 to 10 meters below ground level, the geological temperature during burial should not be much different from room temperature. Therefore, the natural glow curve observed by Kaul et al [1966] could be the equilibrium value of the storing energy of the radiation particles but not the total integrated dose received since the mineralization. , 1962] or more accurately by the X-ray fluorescence technique.…”

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Evaluation of the thermoluminescence dating technique applied to smoky quartz

Hwang¹

1972

J. Geophys. Res.

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The 375°C bump appearing in the induced thermoluminescence (TL) glow curve of natural quartz was examined by an isothermal annealing technique. The thermal stability of this bump was found to vary over different parts of the bump. The extrapolated half‐lives of the TL peaks at room temperature were found to be unsuitable for dating a Precambrian sample. The possible errors introduced in a previous report by Kual et al. are discussed.

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“…The dating of smoky quartz samples from the Bhalki vein (22ø28'N, 86ø31.7'E) in India by use of the thermoluminescence (TL) technique has been reported by Kaul [1965] and Kaul et al [1966]. They calibrated their samples by a 6øCo gamma source after the natural TL glow was measured.…”

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confidence: 99%

Evaluation of the thermoluminescence dating technique applied to smoky quartz

Hwang¹

1972

J. Geophys. Res.

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“…Kaul et al, 1966;Fleming, 1970Fleming, , 1972Aitken, 1985) and more recently in the OSL dating of sediments (e.g. Aitken, 1985Aitken, , 1992Aitken, , 1998Wintle, 1997).…”

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Aberrant thermoluminescence dates obtained from primary volcanic quartz

Guérin

Samper

2007

Radiation Measurements

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Luminescence

Marfunin¹

1979

Spectroscopy, Luminescence and Radiation Centers in Minerals

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142Luminescence theories, and the crystal field and molecular orbitals theories. This affects not only the luminescence of predominantly ionic crystals, but also of typical crystallophosphors.At the same time, kinetic theories of luminescence were being developed in great detail within the framework of the energy band theory.The application of electron paramagnetic resonance to the study of photosensitive compounds helped to give concrete expression to the chemical nature of acceptor and donor levels in the band scheme of luminescence, to the part of the electron and hole trapping played in it.Investigations into the stimulated emission of quantum generators-lasers and masers-provided a host of information on the fluorescence of rare earth ions, actinides, and some transition metal ions.Extensive studies of EPR, optical spectra, and luminescence spectra of these ions in crystals yielded detailed schemes of the energy levels, and also highly circumstantial pictures presenting spectroscopic peculiarites of such model structures as CaF2, ZnS, CaW04, A120 3, and others.A factor such as an increased interest in lunar research stimulated an appearance of a number of works on proton-luminescence, which had to serve as a model for possible lunar luminescence occurring under the influence of the solar wind. In addition to photo, cathode, and proton-luminescence also luminescence occurring under the effect of ions, X-and gamma-rays was subject to investigations. Research works covered separate domains of electroluminiscence [652, 694], chemical luminescence [600], cando luminescence [821], luminescence of organic compounds (fluorescence), and bitumens (used in petroleum geology). Fluorescent analysis has developed as a special method that finds application particularly in analyzing mineral raw materials [619, 790].The construction of electron probe microanalyzers, and of a uv microscope made luminescence serves as one of the methods used conjointly with microscopy.Technical applications furthered theoretical investigations of luminescence. At its root lay, in particular, conversions: (1) of invisible light into visible in luminescent lamps (phosphates, particularly of the apatite composition, with Sb and Mn, with Pb, TI, Sn, willemite, wollastonite with Pb and Mn) and in compounds with long-term afterglow (ZnS-Cu); (2) electron excitation into visible light, in cathoderay tubes (in radiolocation and television: ZnS and CdS with Ag); (3) X-ray emission into visible light, in X-ray screens (CaW04 , BaS04 , ZnS, CdS, Ag); (4) nuclear radiation into visible light, in scintillators (alkali haloids with TI).These are joined by thermo luminescent dosimeters used in particular for registration of nuclear explosions and installed on satellites (CaS04 : Mn, LiF: Mn).All these factors have created a situation propitious for an entirely new mineralogical significance of luminescence. A primary pre-requisite for this is changing from qualitative observations to obtaining luminescence spectra. Photorecording at low temperatures makes it...

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Age determination by study of the thermoluminescence of smoky quartz

Cited by 10 publications

References 8 publications

Evaluation of the thermoluminescence dating technique applied to smoky quartz

Evaluation of the thermoluminescence dating technique applied to smoky quartz

Aberrant thermoluminescence dates obtained from primary volcanic quartz

Luminescence

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