scholarly journals Correlating the Ancient Maya and Modern European Calendars with High-Precision AMS 14C Dating

2013 ◽  
Vol 3 (1) ◽  
Author(s):  
Douglas J. Kennett ◽  
Irka Hajdas ◽  
Brendan J. Culleton ◽  
Soumaya Belmecheri ◽  
Simon Martin ◽  
...  
Keyword(s):  
High Precision ◽  
Ancient Maya ◽  
14C Dating ◽  
Ams 14C Dating

High-precision TIMS U-series and AMS 14C dating of a coral reef lagoon sediment core from southern South China Sea

2006 ◽  
Vol 25 (17-18) ◽  
pp. 2420-2430 ◽  
Author(s):  
Ke-Fu Yu ◽  
Jian-Xin Zhao ◽  
Pin-Xian Wang ◽  
Qi Shi ◽  
Qing-Shan Meng ◽  
...  
Keyword(s):  
Coral Reef ◽  
South China Sea ◽  
High Precision ◽  
Sediment Core ◽  
South China ◽  
Southern South China Sea ◽  
14C Dating ◽  
Lagoon Sediment ◽  
Coral Reef Lagoon ◽  
Ams 14C Dating

AMS 14C DATING OF THE MAYAN CODEX OF MEXICO REVISITED

Radiocarbon ◽  
2020 ◽  
pp. 1-8
Author(s):  
Corina Solís ◽  
Miguel Á Martínez Carrillo ◽  
María Rodríguez-Ceja ◽  
Efraín Chávez ◽  
J Andrés Christen ◽  
...  
Keyword(s):  
20Th Century ◽  
Organic Contaminants ◽  
Ancient Maya ◽  
National Library ◽  
Acid Base ◽  
14C Dating ◽  
Cleaning Procedures ◽  
Exhaustive Study ◽  
Ams 14C Dating ◽  
Cleaning Protocol

ABSTRACT The Mayan Codex of Mexico (MCM), the only Mayan codex found in the 20th century, was unveiled in 1971 during the Ancient Maya Calligraphy exhibition at Club Grolier. The codex comprises 10 pages of bark paper in accordion format, coated with a layer of plaster on both sides. It illustrates the synodic cycles of Venus, with its four phases. Since its discovery, the MCM has been subject to controversy and discussions about its authenticity. In 2016, a group of specialists led by Baltazar Brito chief of the National Library of Anthropology and History, carried out an exhaustive study of the codex with the purpose of determining its temporality and authenticity. In this work, the pre-Columbian authenticity of the codex is verified by the radiocarbon (14C) technique using AMS. Two cleaning procedures were contrasted: the standard acid-base-acid (ABA) protocol and a second one with Soxhlet plus ABA. Results obtained when samples were prepared following ABA protocol only, placed the age of the bark paper between 991 and 1147 cal AD. The second cleaning method with Soxhlet plus ABA, resulted in younger ages, between 1159 and 1261 cal AD. However, we consider that when Sohxlet is used as part of the cleaning protocol, organic contaminants are reduced to a minimum, and 14C dates are more reliable. These results indicate that the vegetal support of the MCM belongs to Postclassical Mayan period and place it as the oldest known manuscript of America found to date.

scholarly journals Re-examination of the eruption age of Aira-Tn Ash(AT) obtained from a piston core off Shikoku. Determined by AMS 14C dating of planktonic foraminifera.

1993 ◽  
Vol 99 (10) ◽  
pp. 787-798 ◽  
Author(s):  
Masafumi Murayama ◽  
Eiji Matsumoto ◽  
Toshio Nakamura ◽  
Makoto Okamura ◽  
Hisato Yasuda ◽  
...  
Keyword(s):  
Planktonic Foraminifera ◽  
14C Dating ◽  
Piston Core ◽  
Eruption Age ◽  
Ams 14C Dating

Dynamic of Tridacna spp. population variability in northern SCS over past 4500 years derived from AMS 14C dating

2020 ◽  
Vol 748 ◽  
pp. 141359
Author(s):  
Chengcheng Liu ◽  
Hong Yan ◽  
Haobai Fei ◽  
Ge Shi ◽  
Peng Cheng ◽  
...  
Keyword(s):  
Population Variability ◽  
14C Dating ◽  
Ams 14C Dating

scholarly journals The hardwater effect in AMS 14C dating of food crusts on pottery

2010 ◽  
Vol 268 (7-8) ◽  
pp. 995-998 ◽  
Author(s):  
Bente Philippsen ◽  
Henrik Kjeldsen ◽  
Sönke Hartz ◽  
Harm Paulsen ◽  
Ingo Clausen ◽  
...  
Keyword(s):  
14C Dating ◽  
Ams 14C Dating
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