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Jeff Speakman
Jeff Speakman
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Year
Archaeological assessment reveals Earth’s early transformation through land use
L Stephens, D Fuller, N Boivin, T Rick, N Gauthier, A Kay, B Marwick, ...
Science 365 (6456), 897-902, 2019
4822019
Fracturing of the Panamanian Isthmus during initial collision with South America
DW Farris, C Jaramillo, G Bayona, SA Restrepo-Moreno, C Montes, ...
Geology 39 (11), 1007-1010, 2011
3422011
Portable XRF analysis of archaeological sediments and ceramics
A Hunt, R Speakman
Journal of Archaeological Science 53, 626-638, 2015
3302015
Comparison of XRF and PXRF for analysis of archaeological obsidian from southern Peru
N Craig, RJ Speakman, RS Popelka-Filcoff, MD Glascock, JD Robertson, ...
Journal of Archaeological Science 34 (12), 2012-2024, 2007
2732007
Silo science and portable XRF in archaeology: a response to Frahm
RJ Speakman, MS Shackley
Journal of Archaeological Science 40 (2), 1435-1443, 2013
2462013
Sourcing ceramics with portable XRF spectrometers? A comparison with INAA using Mimbres pottery from the American Southwest
RJ Speakman, NC Little, D Creel, MR Miller, JG Iñañez
Journal of archaeological science 38 (12), 3483-3496, 2011
2372011
Initial source evaluation of archaeological obsidian from the Kuril Islands of the Russian Far East using portable XRF
SC Phillips, RJ Speakman
Journal of Archaeological Science 36 (6), 1256-1263, 2009
1532009
Four-thousand-year-old gold artifacts from the Lake Titicaca basin, southern Peru
M Aldenderfer, NM Craig, RJ Speakman, R Popelka-Filcoff
Proceedings of the National Academy of Sciences 105 (13), 5002-5005, 2008
1352008
Laser ablation ICP–MS in Archaeological Research
RJ Speakman, H Neff
University of New Mexico Press, Albuquerque, 2005
1222005
Assessing urban soil pollution in the cities of Zacatecas and Guadalupe, Mexico by instrumental neutron activation analysis
F Mireles, JI Davila, JL Pinedo, E Reyes, RJ Speakman, MD Glascock
Microchemical Journal 103, 158-164, 2012
1202012
Temporal variability of tungsten and cobalt in Fallon, Nevada
PR Sheppard, RJ Speakman, G Ridenour, ML Witten
Environmental health perspectives 115 (5), 715-719, 2007
1052007
The Copper CHARM Set: A New Set of Certified Reference Materials for the Standardization of Quantitative X‐Ray Fluorescence Analysis of Heritage Copper Alloys
A Heginbotham, J Bassett, D Bourgarit, C Eveleigh, L Glinsman, D Hook, ...
Archaeometry 57, 856-868, 2015
932015
The application of laser ablation ICP–MS to the study of archaeological materials—an introduction
RJ Speakman, H Neff
Laser ablation-ICP-MS in archaeological research, 1-16, 2005
902005
Characterization of surface decorations in Prehispanic archaeological ceramics by Raman spectroscopy, FTIR, XRD and XRF
SA Centeno, VI Williams, NC Little, RJ Speakman
Vibrational Spectroscopy 58, 119-124, 2012
872012
CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF SASANIAN AND EARLY ISLAMIC GLAZED CERAMICS FROM THE DEH LURAN PLAIN, SOUTHWESTERN IRAN
DV Hill, RJ Speakman, MD Glascock
Archaeometry 46 (4), 585-605, 2004
802004
Serpentine Hot Springs, Alaska: Results of excavations and implications for the age and significance of northern fluted points
T Goebel, HL Smith, L DiPietro, MR Waters, B Hockett, KE Graf, R Gal, ...
Journal of Archaeological Science 40 (12), 4222-4233, 2013
792013
Elevated tungsten and cobalt in airborne particulates in Fallon, Nevada: possible implications for the childhood leukemia cluster
PR Sheppard, G Ridenour, RJ Speakman, ML Witten
Applied Geochemistry 21 (1), 152-165, 2006
762006
Acknowledging fifty years of neutron activation analysis in archaeology
RJ Speakman, MD Glascock
Archaeometry 49 (2), 179-183, 2007
742007
Archaeometry at the University of Missouri Research Reactor and the provenance of obsidian artefacts in North America
MD Glascock, RJ Speakman, H Neff
Archaeometry 49 (2), 343-357, 2007
732007
An Evaluation of Inter-Laboratory Reproducibility of Quantitative XRF of Historic Copper Alloys
A Heginbotham, A Bezur, M Bouchard, JM Davis, K Eremin, JH Frantz, ...
Proceedings of the Interim Meeting of the ICOM-CC Metal Working Group …, 2011
702011
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