Dr Richard E. Hughes. Laboratory Equipment and Methods. How to Submit Samples. Brief Resume of Lab Director. Support for Student Research. Geochemical Research Laboratory (GRL), founded by Dr. Richard Hughes in 1986, specializes in archaeological geochemistry ( obsidian sourcing. Geochemical Research Laboratory, 2017. Contact webmaster: webmaster@geochemicalresearch.com.
http://www.geochemicalresearch.com/
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Geochemical Research Laboratory | geochemicalresearch.com Reviews
https://geochemicalresearch.com
Dr Richard E. Hughes. Laboratory Equipment and Methods. How to Submit Samples. Brief Resume of Lab Director. Support for Student Research. Geochemical Research Laboratory (GRL), founded by Dr. Richard Hughes in 1986, specializes in archaeological geochemistry ( obsidian sourcing. Geochemical Research Laboratory, 2017. Contact webmaster: webmaster@geochemicalresearch.com.
geochemicalresearch.com
About Obsidian and Obsidian Sourcing
http://www.geochemicalresearch.com/about-sourc.html
About Obsidian and Obsidian Sourcing. Obsidian cobble from Little Glass Butte, Oregon. Specimen is ca. 14 cm. long and 11 cm. high. Obsidian boulder from Whitewater Ridge, Oregon, ca. 25 cm. long X 25 cm. high. Obsidian sample from Mt. Edziza,. British Columbia, Canada. Scale in centimeters. Because most obsidian eruptions are highly uniform in chemical composition, it is possible to analyze geological samples to determine the “fingerprint” or trace element profile of each source using a vari...
Frequently Asked Questions
http://www.geochemicalresearch.com/faq.html
Is the analysis destructive? The energy dispersive x-ray fluorescence (edxrf) technique employed at GRL is COMPLETELY non-destructive; no portion of a sample is altered in any way during analysis. Unlike some instrumental techniques, which require sacrificing (powdering, breaking into small chips, or otherwise modifying) some portion of the specimen, after edxrf analysis all specimens will be returned in the same condition as they were received at the lab. How long does the analysis take? Which may inclu...
Laboratory Equipment and Methods
http://www.geochemicalresearch.com/about-xrf.html
Laboratory Equipment and Methods. Or Fe/Mn ratios. Artifact-to-obsidian source (geochemical type) correspondences are considered reliable if diagnostic mean measurements for artifacts fall within 2 standard deviations of mean values for geologic source standards. Composition measurements are reported to the nearest ppm (or, for Fe. Back to Geochemical Research Lab Home Page.
Overview of GRL
http://www.geochemicalresearch.com/experience.html
Brief Overview of Geochemical Research Laboratory. Established in 1986 by Dr. Richard Hughes. Dr Hughes also has recently undertaken studies of flint from geological and archaeological contexts in Scandinavia (Denmark and Sweden), Lithuania, and Poland, with results published in Acta Archaeologica, Archaeometry, Fornvännen, Geologija,. And Journal of Nordic Archaeological Science. All edxrf analyses at GRL are conducted personally by Dr. Hughes, who authors all letter reports issued from the lab.
Support for Student Research
http://www.geochemicalresearch.com/ssr.html
Support for Student Research. In 1995, the Board of Directors of the Society for California Archaeology (SCA) established the James A. Bennyhoff Memorial Fund to recognize the enormous scholarly contribution Dr. Bennyhoff made to the study of California and Great Basin prehistory and ethnohistory. Undergraduate and graduate student SCA members with interests in California and Great Basin prehistory and ethnohistory can go to the SCA’s web site. Back to Geochemical Research Lab Home Page.
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Professional Archaeologist of Kansas
http://www.ksarchaeo.info/links.shtml
North American Archaeology Organizations. Sponsors of Archaeological Research in Kansas. R J Dausman Technical Services, Inc. Stony Knoll Woodworks and Archaeological Supplies. A web-based job posting and job search service. A job announcement list-service. North American Archaeology Organizations. Archaeological Association of South Central Kansas. American Cultural Resources Association. Colorado Council of Professional Archaeologists. Council of Texas Archeologists. Kansas City Archaeological Society.
Northwest Research Support
http://www.obsidianlab.com/support.html
Support . Resources and Information. Looking for more resources related to obsidian studies? Here are some good places to start your search:. SUPPORT: NORTHWEST RESEARCH LABORATORY. Northwest Research lab and sample submission forms. Fine-Grained Volcanics (FGV and basalt) Source Information. Methods, sources, and references). Northwest Research Lab Reports List. Obsidian and FGV Source Topics. United States obsidian sources). Basalt and other FGV sources in the lab reference database).
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Welcome to the Geochemical Society's Goldschmidt Blog
Welcome to the Geochemical Society's Goldschmidt Blog. Back in Budapest and relflecting on the week that was…. June 27, 2009 by julialeventon. I just logged on to do a final post, summing up my Goldschmidt take home lessons and my experiences. So it is indeed timely that Alex posted the link below, as I can use it to structure my Goldschmidt experiences (read on):. What does this mean overall? Didn’t X’s presentation feed into Y’s? Blogging for better or worse. June 26, 2009 by Alex. The whole of the Con...
Geochemical Perspectives
Is a journal independent of major publishing houses, entirely run and edited by and for the geochemical community. Is published by the European Association of Geochemistry. Articles are intended for the entire geochemical community, not for experts. They are not reviews or monographs or text books. They go beyond the current state of the art, providing opinions about future directions and impact in the field. Volume 6, Number 2. 2016 Impact Factor: 6.7. 2015 Impact Factor: 8.8. 2014 Impact Factor: 8.1.
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Geochemical Perspectives Letters
Is an internationally peer-reviewed journal of the European Association of Geochemistry. Produced by and for the geochemical community:. Short (3000 words all inclusive). Top 10 most viewed articles (cumulative count of HTML views and PDF downloads) for. Rankings are updated hourly. Comment on "Ultra-high pressure and ultra-reduced minerals in ophiolites may form by lightning strikes". WL Griffin, D. Howell, J.M. Gonzalez-Jimenez Q. Xiong S.Y. O’Reilly. Geochem. Persp. Let. 2015; Griffin et al. Diffusive...
Geochemical Research Laboratory
Dr Richard E. Hughes. Laboratory Equipment and Methods. How to Submit Samples. Brief Resume of Lab Director. Support for Student Research. Geochemical Research Laboratory (GRL), founded by Dr. Richard Hughes in 1986, specializes in archaeological geochemistry ( obsidian sourcing. Geochemical Research Laboratory, 2017. Contact webmaster: webmaster@geochemicalresearch.com.
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GORE and INFOTERRA COOPERATE ON OFFSHORE NEAR REAL TIME SLICK MAPPING AND SAMPLING. WL Gore and Associates, Inc. (Gore) and Infoterra Ltd an EADS Astrium company are working cooperatively to offer oil slick mapping and sampling services for the offshore petroleum exploration industry. Raquo; Read More. GeoChemTech ANNOUNCES COLOMBIA SURVEY. ONGC TO PIONEER ADVANCED PETROLEUM EXPLORATION TECHNOLOGY IN INDIA. ROMGAZ SELECTS GORE SURVEYS FOR ROMANIAN GAS EXPLORATION. Surface Geochemical Surveys for. GeoChem...
Geochemical Transactions
Bottom,Top,Middle,Right1. Greg Druschel, Indiana University-Purdue University Indianapolis. Yoko Furukawa, Naval Research Laboratory, Stennis Space Center. Geochemical Transactions is the official journal of the Geochemistry Division. Of the American Chemical Society. There has been an error retrieving the data. Please try again. Aerobic and anaerobic reduction of birnessite by a novel. Zhang H, Li Y, Wang X, Lu A, Ding H, Zeng C, Wang X, Wu X. 11 (8 August 2015). Cui HJ, Huang HZ, Yuan B and Fu ML.
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