scholarly journals Cazadores recolectores tempranos, supervivencia de fauna del pleistoceno (equus sp. y glyptodon sp.) y tecnologia lítica durante el holoceno temprano en la frontera Uruguay-Brasil

2010 ◽  
Vol 23 (2) ◽  
pp. 20-39 ◽  
Author(s):  
Rafael Suárez ◽  
Guaciara M. Santos
Keyword(s):  
Climate Change ◽  
Mass Spectrometry ◽  
South America ◽  
Accelerator Mass Spectrometry ◽  
Lithic Technology ◽  
Archaeological Site ◽  
Human Adaptation ◽  
14C Age ◽  
Lithic Artifacts ◽  
In The Beginning

On this paper we show records of Pleistocene fauna from the archaeological site of PayPaso 1, located near of the Quarai River. On this site we recovered two extinct species, Equus sp. (ancient horse) e Glyptodon sp. (giant armadillo), direct associated with lithic artifacts. Our results indicate that these extinct mammals lived in the beginning of the Holocene (9,600 – 9,100 years 14C BP), based on nine 14C age results obtained by AMS (Accelerator Mass Spectrometry) measurements. In this work, these results are compared with others in South America. Human adaptation, lithic technology, Pleistocene fauna extinction and climate change at the transition between Pleistocene-Holocene are also discussed.

Reconstructing the Chronology of the House XVII-XVIII Complex at Umm el-Jimal, East Jordan: Radiocarbon Dates of Organic Inclusions of Architectural Mortars

Radiocarbon ◽  
2014 ◽  
Vol 56 (1) ◽  
pp. 245-256 ◽  
Author(s):  
Khaled Al-Bashaireh
Keyword(s):  
Mass Spectrometry ◽  
Accelerator Mass Spectrometry ◽  
Archaeological Site ◽  
Housing Demand ◽  
Radiocarbon Dates ◽  
Archaeological Data ◽  
Lime Mortars ◽  
Byzantine Period

This article presents accelerator mass spectrometry (AMS) radiocarbon dates of organic inclusions of cement materials from the House XVII-XVIII Complex located in the Umm el-Jimal archaeological site, east Jordan, aiming at refining the unclear chronology of the house. Fine straws and small fragments of charcoal uncovered from preserved architectural lime mortars and plasters were dated without carrying out extensive excavations. The results indicate that the house most probably was initially plastered or built during the middle of the Byzantine period. The results agree with the historical and archaeological data indicating that Umm el-Jimal flourished during this period; therefore, it is probable that the house was established during this time to meet the housing demand for the increased number of its population.

scholarly journals Radiocarbon in 9th to 5th Century BC Tree-Ring Samples from the Ouban 1 Archaeological Site, Hiroshima, Japan

Radiocarbon ◽  
2007 ◽  
Vol 49 (2) ◽  
pp. 473-479 ◽  
Author(s):  
Hiromasa Ozaki ◽  
Mineo Imamura ◽  
Hiroyuki Matsuzaki ◽  
Takumi Mitsutani
Keyword(s):  
Mass Spectrometry ◽  
Tree Ring ◽  
Calibration Curve ◽  
Accelerator Mass Spectrometry ◽  
Wood Sample ◽  
Archaeological Site ◽  
Short Term ◽  
Statistical Errors ◽  
Term Fluctuation

In order to investigate the regional atmospheric radiocarbon offset, accelerator mass spectrometry (AMS) 14C measurements were made on 5-yr increments of a Japanese wood sample dendrochronologically dated to 820–436 BC. The 14C data from the Japanese tree-ring samples were compared with the IntCal04 calibration curve (Reimer et al. 2004). In most parts, the differences between IntCal04 and 14C dates in the Japanese tree-ring samples were within experimental statistical errors. At around 680 BC, however, significant differences of up to 100 14C yr were observed. These differences may indicate either regional offsets in Japan or the short-term fluctuation of a subdecadal timescale in atmospheric 14C variations.

scholarly journals The Antares AMS Centre: A Status Report

Radiocarbon ◽  
1995 ◽  
Vol 37 (2) ◽  
pp. 663-673 ◽  
Author(s):  
Claudio Tuniz ◽  
David Fink ◽  
Michael Hotchkis ◽  
Geraldine Jacobsen ◽  
Ewan Lawson ◽  
...  
Keyword(s):  
Climate Change ◽  
Mass Spectrometry ◽  
Global Climate Change ◽  
Accelerator Mass Spectrometry ◽  
Research Laboratory ◽  
Global Climate ◽  
Nuclear Safeguards ◽  
Status Report ◽  
Mass Spectrometry Facility ◽  
Advanced Programs

The ANTARES accelerator mass spectrometry facility at Lucas Heights Research Laboratory is operational and AMS measurements of 14C, 26Al and 36Cl are being carried out routinely. Measurement of 129I recently commenced and capabilities for other long-lived radioisotopes such as 10Be are being established. The overall aim of the facility is to develop advanced programs in Quaternary science, global climate change, biomedicine and nuclear safeguards.

scholarly journals Building the Radiocarbon Chronology for the Archaeological Site Ufa-II, Bashkortostan, Russia: Is this the Elusive “Bashkort” of Medieval Sources?

Radiocarbon ◽  
2013 ◽  
Vol 55 (3) ◽  
pp. 1278-1285
Author(s):  
Vladimir A Levchenko ◽  
Flarit A Sungatov
Keyword(s):  
Mass Spectrometry ◽  
Accelerator Mass Spectrometry ◽  
Archaeological Site ◽  
Radiocarbon Dates ◽  
Site Occupation ◽  
Radiocarbon Chronology ◽  
First Time ◽  
Good Agreement

A suite of accelerator mass spectrometry (AMS) radiocarbon dates for the Ufa-II archaeological site in Bashkortostan, Russia, is obtained for the first time. Dating was done on charcoal samples from a sequence of cultural deposits collected during the 2011 digging season. An age-depth chronology is established using the Bayesian deposition General Outlier P_Sequence model. The oldest age for the site at the horizon immediately over the sterile ground was cal AD 137–237 (68% probability), corresponding to the beginning of site occupation. The youngest 14C date found was late 6th to early 7th century cal AD for the extensive planked boardwalks unearthed at the site. The 14C dates are in good agreement with archaeological determinations based on discovered artifacts.

scholarly journals Marine Turtle Bones from an Archaeological Site in Polynesia Yield Reliable Age Determinations

Radiocarbon ◽  
1990 ◽  
Vol 32 (2) ◽  
pp. 143-147 ◽  
Author(s):  
T S Dye
Keyword(s):  
Mass Spectrometry ◽  
Sample Size ◽  
Accelerator Mass Spectrometry ◽  
South Pacific ◽  
Archaeological Site ◽  
Marine Turtle ◽  
Long Distance ◽  
Marine Turtles ◽  
Ams Dating ◽  
Age Determinations

Accelerator mass spectrometry dating of three 50g samples of marine turtle bone from the basal cultural stratum of the Tongoleleka archaeological site, Lifuka Island, Kingdom of Tonga, South Pacific yields results that agree with conventional 14C dates on marine shell. A method for calibrating these dates that takes into account the long distance migrations of marine turtles in the South Pacific is proposed. A sample size greater than 50g is recommended for routine AMS dating of marine turtle bone.

Dating Egypt's oldest ‘art’: AMS 14C age determinations of rock varnishes covering petroglyphs at El-Hosh (Upper Egypt)

Antiquity ◽  
2001 ◽  
Vol 75 (287) ◽  
pp. 68-72 ◽  
Author(s):  
D. Huyge ◽  
A. Watchman ◽  
M. De Dapper ◽  
E. Marchi
Keyword(s):  
Mass Spectrometry ◽  
Accelerator Mass Spectrometry ◽  
Rock Art ◽  
Nile Valley ◽  
Upper Egypt ◽  
14C Age ◽  
Age Determinations

Direct dating, using the Accelerator Mass Spectrometry (AMS) 14C method, indicates that some petroglyphs (rock art) at El-Hosh in Upper Egypt pre-date the early 7th millennium BP (mid 6th millennium cal BC), making it the oldest graphic activity recorded in the Nile Valley.

scholarly journals Chronological Distribution of Brazilian Glyptodon SP. Remains: A Direct 14C Date for a Specimen from Iporanga, São Paulo, Brazil

Radiocarbon ◽  
2011 ◽  
Vol 53 (1) ◽  
pp. 13-19 ◽  
Author(s):  
Alex Hubbe ◽  
André G Vasconcelos ◽  
Luciano Vilaboim ◽  
Ivo Karmann ◽  
Walter Neves
Keyword(s):  
Mass Spectrometry ◽  
South America ◽  
Last Glacial Maximum ◽  
Accelerator Mass Spectrometry ◽  
Radiocarbon Dating ◽  
Sao Paulo ◽  
São Paulo ◽  
The One ◽  
The Last Glacial Maximum ◽  
The Last Glacial

Glyptodon sp. fossil remains can be found throughout Brazil. However, little information is available about their chronological distribution. With the intention to contribute to this issue, we present, as far as we know, the first direct radiocarbon date for 1 specimen of this genus found in Brazil. The osteoderm MZSP-PV660 found in Abismo do Fóssil Cave (SP-145), Iporanga, São Paulo, Brazil, was dated by accelerator mass spectrometry at the Beta Analytic Radiocarbon Dating Laboratory. The 14C date obtained was between 20,680 and 21,370 calibrated years before the present. Unfortunately, the scant (and often imprecise or unreliable) chronological data regarding this species and genus in Brazil and elsewhere in South America precludes a robust comparison among the dates available and the one presented here. Nevertheless, our finding supports the existence of this genus in South America at least until the Last Glacial Maximum.

NEW AMS 14C DATES OF A MULTICULTURAL ARCHAEOLOGICAL SITE FROM THE PALEO-DELTAIC REGION OF WEST BENGAL, INDIA: CULTURAL AND GEO-ARCHAEOLOGICAL IMPLICATIONS

Radiocarbon ◽  
2021 ◽  
pp. 1-11
Author(s):  
Nabanita Naskar ◽  
Kaushik Gangopadhyay ◽  
Susanta Lahiri ◽  
Punarbasu Chaudhuri ◽  
Rajveer Sharma ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Accelerator Mass Spectrometry ◽  
Late Holocene ◽  
West Bengal ◽  
Archaeological Site ◽  
Humid Tropics ◽  
Age Dating ◽  
New Delhi ◽  
Absolute Age ◽  
Calendar Dates

ABSTRACT This study is on the absolute age dating of a multicultural site of Erenda, East Medinipur district, in coastal West Bengal, India. Charcoal samples were collected and measured using the accelerator mass spectrometry (AMS) facility at the Inter-University Accelerator Centre, New Delhi, India. These samples were collected from secured stratigraphic context of two excavated trenches. A careful collection of samples from two trenches provided us with the first calendar dates, 950 BCE and 1979 BCE, of protohistoric sites in coastal West Bengal. These calibrated calendar dates not only have wider significance in terms of archaeology but also methodological implications to understand the relevance of application of AMS from the dynamic coastal landscape in the humid tropics during the late Holocene period.

AMS 14C age determinations of Rapanui (Easter Island) wood sculpture: moai kavakava ET 48.63 from Brussels

Antiquity ◽  
2001 ◽  
Vol 75 (289) ◽  
pp. 529-532
Author(s):  
F. Forment ◽  
D. Huyge ◽  
H. Valladas
Keyword(s):  
Mass Spectrometry ◽  
Accelerator Mass Spectrometry ◽  
Easter Island ◽  
Raw Material ◽  
14C Age ◽  
Wood Sculpture ◽  
Age Determinations

Direct dating, using the Accelerator Mass Spectrometry (AMS) 14C method, of a wooden moai kavakava (anthropomorphic woodcarving) in the collection of the Royal Museums of Art and History in Brussels has given a date of about cal AD 1390–1480. As there are reasons to believe that this age not only regards the raw material but also the carving itself, preserved examples of Easter Island wood sculpture may be much older than previously assumed and possibly contemporaneous with the giant monolithic sculpture of the first half of the 2nd millennium AD.

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