Academic literature on the topic 'Dating method for rock surface exposures'

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Journal articles on the topic "Dating method for rock surface exposures"

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Ivy-Ochs, Susan, and Florian Kober. "Surface exposure dating with cosmogenic nuclides." E&G Quaternary Science Journal 57, no. 1/2 (2008): 179–209. http://dx.doi.org/10.3285/eg.57.1-2.7.

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Abstract. In the last decades surface exposure dating using cosmogenic nuclides has emerged as a powerful tool in Quaternary geochronology and landscape evolution studies. Cosmogenic nuclides are produced in rocks and sediment due to reactions induced by cosmic rays. Landforms ranging in age from a few hundred years to tens of millions of years can be dated (depending on rock or landform weathering rates) by measuring nuclide concentrations. In this paper the history and theory of surface exposure dating are reviewed followed by an extensive outline of the fields of application of the method.
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Rode, Matthias, and Andreas Kellerer-Pirklbauer. "Schmidt-hammer exposure-age dating (SHD) of rock glaciers in the Schöderkogel-Eisenhut area, Schladminger Tauern Range, Austria." Holocene 22, no. 7 (2011): 761–71. http://dx.doi.org/10.1177/0959683611430410.

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Schmidt-hammer rebound values ( R-values) enable relative-age dating of landforms, with R-values relating to degree of weathering and therefore length of exposure. This method – recently termed as Schmidt-hammer exposure-age dating (SHD) – was applied to date five rock glaciers (size range, 0.01–0.12 km2) and one recent rockfall deposit at the study area Schöderkogel-Eisenhut, in the Schladminger Tauern Range (14°03′E, 47°15′N), Austria. The rock glaciers consist of gneiss or high metamorphic series of mica-schist that are comparable in their R-values. Four of them are relict (permafrost absen
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Gallach, Xavi, Yves Perrette, Dominique Lafon, et al. "A new method for dating the surface exposure age of granite rock walls in the Mont Blanc massif by reflectance spectroscopy." Quaternary Geochronology 64 (June 2021): 101156. http://dx.doi.org/10.1016/j.quageo.2021.101156.

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Swanson, Terry W., and Marc L. Caffee. "Determination of 36Cl Production Rates Derived from the Well-Dated Deglaciation Surfaces of Whidbey and Fidalgo Islands, Washington." Quaternary Research 56, no. 3 (2001): 366–82. http://dx.doi.org/10.1006/qres.2001.2278.

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AbstractThe 36Cl dating method is increasingly being used to determine the surface-exposure history of Quaternary landforms. Production rates for the 36Cl isotopic system, a critical component of the dating method, have now been refined using the well-constrained radiocarbon-based deglaciation history of Whidbey and Fidalgo Islands, Washington. The calculated total production rates due to calcium and potassium are 91±5 atoms 36Cl (g Ca)−1 yr−1 and are 228±18 atoms 36Cl (g K)−1 yr−1, respectively. The calculated ground-level secondary neutron production rate in air, Pf(0), inferred from thermal
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Liritzis, Ioannis. "Surface dating by luminescence: An overview." Geochronometria 38, no. 3 (2011): 292–302. http://dx.doi.org/10.2478/s13386-011-0032-7.

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AbstractDaylight radiation resets luminescence ‘clock’ to zero on rock surfaces, but transmission depends on the transparency of the rock. On burial, surfaces are no longer exposed to daylight and accumulation of trapped electrons takes place till the excavation. This reduction of luminescence as a function of depth fulfils the prerequisite criterion of daylight bleaching. Thus rock artefacts and monuments follow similar bleaching rationale as those for sediments. In limestone and marble, daylight can reach depths of 0.5–1 mm and up to 16 mm respectively, while for other igneous rocks e.g. qua
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Benedict, James B. "A Review of Lichenometric Dating and Its Applications to Archaeology." American Antiquity 74, no. 1 (2009): 143–72. http://dx.doi.org/10.1017/s0002731600047545.

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Lichenometry—a method developed by geologists for dating Holocene moraines and other landforms—has many potential applications in archaeology. Maximum-diameter lichenometry can suggest ages for features that were initially lichen-free, such as the moai of Easter Island, and rock surfaces exposed by toolstone quarrying. Size-frequency analysis can provide dates for structures built of lichen-covered rocks, such as game-drive walls and blinds, meat caches, and tent rings. Both methods require local calibration curves, best constructed by measuring lichens on substrata of known exposure age. Most
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PHILLIPS, F. M., B. D. LEAVY, N. O. JANNIK, D. ELMORE, and P. W. KUBIK. "The Accumulation of Cosmogenic Chlorine-36 in Rocks: a Method for Surface Exposure Dating." Science 231, no. 4733 (1986): 41–43. http://dx.doi.org/10.1126/science.231.4733.41.

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Applegate, P. J., N. M. Urban, K. Keller, and R. B. Alley. "Modeling the statistical distributions of cosmogenic exposure dates from moraines." Geoscientific Model Development Discussions 2, no. 2 (2009): 1407–46. http://dx.doi.org/10.5194/gmdd-2-1407-2009.

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Abstract. Cosmogenic exposure dating provides a method for estimating the ages of glacial moraines deposited in the last ~105 years. Cosmic rays break atoms in surface rocks at predictable rates. Thus, the ages of moraines are directly related to the concentrations of cosmic ray-produced nuclides in rocks on the moraine surfaces, under ideal circumstances. However, many geomorphic processes may interfere with cosmogenic exposure dating. Because of these processes, boulders sometimes arrive at the moraines with preexisting concentrations of cosmogenic nuclides, or else the boulders are partly s
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Jull, A. J. T., Amy E. Wilson, George S. Burr, Laurence J. Toolin, and Douglas J. Donahue. "Measurements of Cosmogenic 14C Produced by Spallation in High-Altitude Rocks." Radiocarbon 34, no. 3 (1992): 737–44. http://dx.doi.org/10.1017/s003382220006402x.

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The production of radioisotopes at the Earth's surface by cosmic-ray effects has been discussed for many years. Only in the past few years, with the higher sensitivity provided by accelerator mass spectrometry (AMS) in detecting 10Be, 26A1 and 36Cl, have the radioisotopes produced in this way been measured. We report here our measurements of cosmogenic 14C in terrestrial rocks at high altitude, and comparisons to other exposure-dating methods.
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Nelson, Michelle S., Harrison J. Gray, Jack A. Johnson, Tammy M. Rittenour, James K. Feathers, and Shannon A. Mahan. "User Guide for Luminescence Sampling in Archaeological and Geological Contexts." Advances in Archaeological Practice 3, no. 2 (2015): 166–77. http://dx.doi.org/10.7183/2326-3768.3.2.166.

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AbstractLuminescence dating provides a direct age estimate of the time of last exposure of quartz or feldspar minerals to light or heat and has been successfully applied to deposits, rock surfaces, and fired materials in a number of archaeological and geological settings. Sampling strategies are diverse and can be customized depending on local circumstances, although all sediment samples need to include a light-safe sample and material for dose-rate determination. The accuracy and precision of luminescence dating results are directly related to the type and quality of the material sampled and
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Dissertations / Theses on the topic "Dating method for rock surface exposures"

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Winchester, Vanessa. "An evaluation of lichenometry : with field studies in Lappland, Britain, and the Western Alps." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305879.

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