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Proceedings of the 4th New World Luminescence Dating and Dosimetry Workshop, Denver, Colorado, May 31 June 2, 2006

Richard A. Wise, Editor

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Optically stimulated luminescence (OSL) is one of a class of measurements known as stimulated phenomena. Such phenomena may be stimulated thermally or optically and the reader is referred to works by Aitken (1998) and Botter-Jensen and others (2003) for more detail. In recent years OSL has become a popular procedure for the determination of environmental radiation doses absorbed by archeological and geological materials in an attempt to date these materials. The first OSL measurements on quartz and feldspar were made using an argon ion-laser (Huntley et al., 1985). However, the development of cheaper stimulation systems based first on filtered lamps and then on light- emitting diodes (LEDs) (Spooner, et al., 1990; Botter-Jensen, and others, 1999) has led to a massive expansion in OSL dating applications. The abstracts in this volume represent presentations from a workshop held in May-June 2006, at the Denver Federal Center, Denver, Colorado, in which OSL methodologies and applications were summarized and integrated to provide a current synthesis of the OSL science being applied throughout North America.

The workshop, sponsored by the U.S. Geological Survey Crustal Imaging and Characterization Team and North Dakota State University, was open to all scientists interested in OSL dating techniques and radiation dosimetry. Participants included thirty-six research scientists and students in geology, archaeology, and physics from the U.S. Geological Survey, Los Alamos National Labs, Kentucky Geological Survey, eight universities in the United States, one university in Canada, one university in India, and Riso National Labs of Denmark.

The workshop included two keynote speakers: Dr. Ashok Singhvi (Physical Research Laboratory, Ahmedabad, India) spoke on “Some Unexplored Methodological Aspects and Some New Applications of Luminescence Dating”, while Dr. Jim Feathers (University of Seattle, WA) spoke on OSL Dating of Sediments From Paleoindian Sites in Brazil”. The workshop encouraged everyone to interact more to develop a broader perspective on the types of research and the problems encountered when reporting OSL ages. This meeting follows the first North American Luminescence Dating Workshop held in Tulsa, OK, by Oklahoma State University (2001), in Albuquerque, NM, by Los Alamos National Labs (2002), and in Halifax, Nova Scotia, by Dalhousie University (2004, with a name change to New World Luminescence Dating Workshop). These workshops were interspersed with the international meetings on luminescence that were held in Reno, NV, (2002), and Cologne, Germany; (2005).


[1.] Aitken, M.J., 1998. An Introduction to Optical Dating. Oxford University Press, Oxford, 267 p.
[2.] Bøtter-Jensen, L, McKeever, S.W.S, and Wintle, A.G., 2003. Optically Stimulated Luminescence Dosimetry. Elsevier Science B.V., Amsterdam, 355 p.
[3.] Huntley, D.J., Godfrey-Smith, D.I., Thewalt, M.L.W., 1985. Optical Dating of Sediments, Nature, vol. 313, p. 105-107.
[4.] Spooner, N.A., Aitken, M.J., Smith, B.W., Franks, M., McElroy, C., 1990. Archaeological dating by infrared stimulated luminescence using a diode array, Radiation Protective Dosimetry, vol. 34, p. 83-86.
[5.] Bøtter-Jensen, L., Duller, G.A.T., Murray, A.S., Banerjee, D., 1999. Blue light emitting diodes for optical stimulation of quartz in retrospective dosimetry and dating. Radiation Protective Dosimetry, vol. 84, p. 335-340.
Nov 2001 23 abstracts/presenters
Aug. 2003 23 abstracts/presenters
July 2004 23 abstracts/presenters
May/June 2006 22 abstracts/presenters

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Posted January 2007

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