Fuyuki Tokanai
Biographic Data
| ID | 2137928 |
|---|---|
| NAME | Fuyuki Tokanai |
| GIVEN NAMES | Fuyuki |
| FAMILY NAME | Tokanai |
| SIGNATURE | TOKANAI F |
| AFFILIATIONS | Yamagata University |
| ORCID | 0000-0002-3563-3882 |
| VERIFIED | Yes |
| TOTAL WORKS | 23 |
| TOTAL CITATIONS | 57 |
| AUTHOR COUNT | 23 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2004 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 5 |
Primera aproximación al patrimonio cultural del Parque Nacional Traslasierra, noroeste de la Provincia de Córdoba (Argentina)
Preliminary information regarding the survey of cultural heritage in different sectors of the Traslasierra National Park, in the northwest of Córdoba Province (Argentina) is presented. The national park, formerly Estancia Pinas, has a long history of human occupation, spanning from early indigenous communities to its transformation into a rural settlement. The used methodology combined ethnohistorical data, satellite imagery, local knowledge, and…
Moche chronology of ancient Peru: Bayesian assessment of radiocarbon dates and ceramic styles from north to south
In the last decade Bayesian analysis of radiocarbon dates has become commonplace for archaeologists grappling with regional chronologies. Here we present Bayesian analysis for radiocarbon dates from Moche cultural contexts from the north coast of Peru with the aim to understand the duration of the phenomenon and to compile all known dates in a single location for future analysis and use. The analysis demonstrates that the long-standing Moche cera…
Pampa La Cruz: A New Mass Sacrificial Burial Ground during the Chimú Occupation in Huanchaco, North Coast of Peru
This article describes six sacrificial events carried out during the Late Intermediate Period and the beginning of the Late Horizon at Pampa La Cruz (PLC), located in the Moche Valley, North Coast of Peru. The archaeological context and circumstances in which the children and camelids were sacrificed at PLC are different from the previously investigated site of Huanchaquito – Las Llamas. PLC raises the question of whether the nature and the purpo…
Bioarchaeological study of ancient Teotihuacans based on complete mitochondrial genome sequences and diet isotopes
Genetic diversity varied among the Teotihuacans
Two New Millennium-Long Tree-Ring Oxygen Isotope Chronologies (2349–1009 Bce and 1412–466 Bce) From Japan
We present two new millennium-long tree-ring oxygen isotope chronologies for central and northern Japan, based on 9693 annually resolved measurements of tree-ring oxygen isotopes from 39 unearthed samples consisting mainly of Japanese cedar ( Cryptomeria japonica ). These chronologies were developed through cross-dating of tree-ring widths and δ 18 O data from multiple samples covering the periods 2349–1009 BCE (1341 yr) and 1412–466 BCE (947 yr)…
La ocupación del Periodo Inicial Tardío (1100/1000 – 800 a.C.) y el Horizonte Temprano (800-500/400 a.C.) en Huanchaco, Costa Norte del Perú
En este artículo se presentan los primeros resultados de las investigaciones realizadas en el Sector José Olaya – Sitio Iglesia Colonial de Huanchaco, donde se ha registrado una ocupación del periodo Inicial Tardío y el Horizonte Temprano. En este artículo presentamos los datos de los contextos arqueológicos excavados, así como un análisis preliminar de la cerámica asociada, estudio de los restos malacológicos y algunos datos del análisis petrogr…
New Radiocarbon Evidence for Human Occupation in Central Argentina During the Middle and Late Holocene: The Ongamira Valley Case
The Ongamira Valley (Córdoba, Argentina) shows a persistent occupational history of its territory. Even one of the first Argentinian radiocarbon ( 14 C) dates was calculated in this valley; for 70 years, the chronology was based on relative dates (stratigraphy and its cultural content). For this reason, since 2010 a 14 C dating program has been developed focusing on the chronology of eight of the 60 sites identified so far for the valley. This wo…
First results on diet and mobility of the agropastoral societies of western Catamarca, Argentina
The Architecture and Chronology of Reparin, Eastern Ancash, Peru
This paper reports on archaeological investigations at the site of Reparin. The earliest known occupation at Reparin corresponds to the middle part of the first millennium BC (c. 750–400 BC). Associated with this occupation was architecture that connects the site to the late phases of Chavín de Huántar. This building was subsequently destroyed, probably in relation to cultural disruptions in the highlands associated with the dissolution of Chavín…
Building a high‐resolution chronology at the Maya archaeological site of El Palmar, Mexico
This paper discusses how detailed analyses of archaeological contexts and macrobotanical remains are critical for building a high‐resolution chronology in archaeological research. While the application of Bayesian modelling has improved chronology‐building significantly, archaeologists have sometimes neglected different dates recovered from the same depositional layer without further scrutiny. Based on 78 radiocarbon samples, this problem is chal…
A Study of Variation of the 11-yr Solar Cycle before the onset of the Spoerer Minimum based on Annually measured 14 C Content in tree Rings
Proxy-based observations of solar activity in the past have revealed long-term variations, such as the Gleissberg cycle (~88 yr), de Vries cycle (~200 yr), and the Hallstatt cycle (~2000 yr). Such long-term variations of solar activity sometimes cause the disappearance of sunspots for several decades. Currently, solar activity is becoming weaker, and there is a possibility that another long-term sunspot minimum could occur. However, the detailed …
Verification of the Cosmic-Ray Event in AD 993–994 by Using a Japanese Hinoki Tree
A rapid yearly increase in the radiocarbon content has been detected for the period from AD 993 to 994. However, this event is supported by the 14 C measurements of only one cedar tree sample, and verification is necessary to confirm this event more reliably. For this purpose, this study measured the 14 C content in Japanese Hinoki tree rings corresponding to the period from AD 988 to 997 using the accelerator mass spectrometry system at Yamagata…
Automated Sample Combustion and CO 2 Collection System with IRMS for 14 C AMS in Yamagata University, Japan
Accelerator mass spectrometry (AMS) was introduced at Yamagata University in 2010, including the measurement of radiocarbon. In the Yamagata University laboratory (YU-AMS), the application of 14 C AMS is aimed at microdose pharmacokinetics investigation and the development of improved sample preparation techniques. The lab also measures environmental samples. With the installation of this AMS system, a new automated sample production system was i…
Assessing the Chronology and Rewrapping of Funerary Bundles at the Prehispanic Religious Center of Pachacamac, Peru
Over 30 funerary bundles were excavated in 2005 from a large chamber tomb at the prehispanic religious center of Pachacamac on the central coast of Peru. The largest and most elaborate bundle was found in the innermost part of the tomb, tightly surrounded by other bundles. We hypothesized that this bundle contained the deceased leader of a social group whose members collectively cared for their ancestor's bundle (for example, by rewrapping it) an…
Present Status of the YU-AMS System, Yamagata University
A new compact accelerator mass spectrometry (AMS) system has been installed in the Kaminoyama Research Institute at Yamagata University (YU). The AMS system is based on a 0.5MV Pelletron accelerator developed by the National Electrostatics Corporation. An automated acid-alkali-acid (AAA) treatment system and an automated graphitization line were also installed in the same facility for sample preparation. Performance tests of the YU-AMS system wer…
Measuring 14 C Concentration in Wine to Monitor Global Distribution of 14 C
Using liquid scintillation counting (LSC) and accelerator mass spectrometry (AMS), radiocarbon concentrations were measured for wine from 8 wineries located in 7 countries in the Northern and Southern hemispheres. The 14 C concentrations of ethanol and residual materials in the wine were correlated (correlation coefficient 0.82). The δ 14 C measurements of wine samples from the mid-latitudes in the Northern Hemisphere were approximately 1l% lower…
Present Status of YU-AMS System
A new compact accelerator mass spectrometry (AMS) system has been installed in the Kaminoyama Research Institute at Yamagata University (YU). The AMS system is based on a 0.5MV Pelletron accelerator developed by the National Electrostatics Corporation. An automated acid-alkali-acid (AAA) treatment system and an automated graphitization line were also installed in the same facility for sample preparation. Performance tests of the YU-AMS system wer…
Latest 14 C Concentrations of Plant Leaves at High Altitudes in the Northern and Southern Hemispheres: Vertical Stability of Local Suess Effect
The radiocarbon concentrations in plant leaves from different altitudes at 3 sampling locations were measured with the new compact accelerator mass spectrometer (AMS) at Yamagata University to investigate air mixing on a global scale. The sampling locations are Yamagata in the mid-latitudes of the Northern Hemisphere (NH), Kenya in the equatorial region (EQ), and Chacaltaya in the Southern Hemisphere (SH). The 14 C concentrations of the plant lea…
Precise Comparison of 14 C Ages from Choukai Jindai Cedar with IntCal04 Raw Data
We measured the radiocarbon ages of 165 single-year tree rings from a Japanese Choukai Jindai cedar using accelerator mass spectrometry (AMS). By wiggle-matching the Choukai_AMS data set to the IntCal04 calibration data using OxCal v 3.10 and using the variation of the correlation coefficients between the Choukai_AMS and IntCal04 data sets, we precisely re-estimated that the 321 Choukai Jindai cedar tree rings range from 780 to 460 cal BC with an…
Comparison of 14 C Ages Between LSC and AMS Measurements of Choukai Jindai Cedar Tree Rings at 2600 cal BP
Radiocarbon ages of Choukai Jindai cedar tree rings growing in the excess era of 14 C concentrations during 2757–2437 cal BP were measured using 2 types of 14 C measurement methods, i.e. liquid scintillation counting (LSC) and accelerator mass spectrometry (AMS). The difference between the 2 methods is 3.7 ± 5.2 14 C yr on average for 61 single-year tree rings, indicating good agreement between the methods. The Choukai data sets show a small shar…
C Ages of 43 Consecutive Single-Year Tree Rings Between 2710 and 2655 cal BP Using Accelerator Mass Spectrometry
We have measured the radiocarbon ages of 43 consecutive single-year tree rings using accelerator mass spectrometry (AMS) with a statistical accuracy of ∼2.3%. AMS 14 C ages of the 36 viable samples are between 2708 and 2666 cal BP, a period in which the Δ 14 C of the IntCal04 curve (Reimer et al. 2004) shows an enhancement. The 14 C ages of the samples are scattered with a Gaussian distribution around the interpolated IntCal04 calibration curve. …
C Dating of ∼2500-Yr-Old Choukai Jindai Cedar Tree Rings from Japan Using Highly Accurate LSC Measurement
Radiocarbon ages of 8 decadal tree rings and 66 single-yr tree rings have been measured with a highly accurate liquid scintillation counting (LSC) system (0.2% error) after synthesizing 10.5 g of benzene for each α-cellulose sample produced from tree rings of Choukai Jindai cedar in Japan (39°N). The 14 C ages were between 2449 and 2539 14 C yr BP for the 21 samples. From the wiggle-matching of the data set using the IntCal04 (Reimer et al. 2004)…
C Concentrations of Single-Year Tree Rings from About 22,000 Years Ago Obtained Using A Highly Accurate Measuring Method
We have measured the radiocarbon concentrations in single-yr tree rings of old wood by accelerated mass spectrometry (AMS) using a multicathode. The 14 C concentrations of 10 single-yr tree rings were measured in 100 tree rings at intervals of 10. For each single-yr tree-ring sample, typically 80 measurements of the 14 C concentrations were carried out using multicathodes. The sample standard deviations indicated that there are other fluctuations…
Verification of the Cosmic-Ray Event in AD 993–994 by Using a Japanese Hinoki Tree
A rapid yearly increase in the radiocarbon content has been detected for the period from AD 993 to 994. However, this event is supported by the 14 C measurements of only one cedar tree sample, and verification is necessary to confirm this event more reliably. For this purpose, this study measured the 14 C content in Japanese Hinoki tree rings corresponding to the period from AD 988 to 997 using the accelerator mass spectrometry system at Yamagata…
Automated Sample Combustion and CO 2 Collection System with IRMS for 14 C AMS in Yamagata University, Japan
Accelerator mass spectrometry (AMS) was introduced at Yamagata University in 2010, including the measurement of radiocarbon. In the Yamagata University laboratory (YU-AMS), the application of 14 C AMS is aimed at microdose pharmacokinetics investigation and the development of improved sample preparation techniques. The lab also measures environmental samples. With the installation of this AMS system, a new automated sample production system was i…
Assessing the Chronology and Rewrapping of Funerary Bundles at the Prehispanic Religious Center of Pachacamac, Peru
Over 30 funerary bundles were excavated in 2005 from a large chamber tomb at the prehispanic religious center of Pachacamac on the central coast of Peru. The largest and most elaborate bundle was found in the innermost part of the tomb, tightly surrounded by other bundles. We hypothesized that this bundle contained the deceased leader of a social group whose members collectively cared for their ancestor's bundle (for example, by rewrapping it) an…
Precise Comparison of 14 C Ages from Choukai Jindai Cedar with IntCal04 Raw Data
We measured the radiocarbon ages of 165 single-year tree rings from a Japanese Choukai Jindai cedar using accelerator mass spectrometry (AMS). By wiggle-matching the Choukai_AMS data set to the IntCal04 calibration data using OxCal v 3.10 and using the variation of the correlation coefficients between the Choukai_AMS and IntCal04 data sets, we precisely re-estimated that the 321 Choukai Jindai cedar tree rings range from 780 to 460 cal BC with an…
C Concentrations of Single-Year Tree Rings from About 22,000 Years Ago Obtained Using A Highly Accurate Measuring Method
We have measured the radiocarbon concentrations in single-yr tree rings of old wood by accelerated mass spectrometry (AMS) using a multicathode. The 14 C concentrations of 10 single-yr tree rings were measured in 100 tree rings at intervals of 10. For each single-yr tree-ring sample, typically 80 measurements of the 14 C concentrations were carried out using multicathodes. The sample standard deviations indicated that there are other fluctuations…
C Dating of ∼2500-Yr-Old Choukai Jindai Cedar Tree Rings from Japan Using Highly Accurate LSC Measurement
Radiocarbon ages of 8 decadal tree rings and 66 single-yr tree rings have been measured with a highly accurate liquid scintillation counting (LSC) system (0.2% error) after synthesizing 10.5 g of benzene for each α-cellulose sample produced from tree rings of Choukai Jindai cedar in Japan (39°N). The 14 C ages were between 2449 and 2539 14 C yr BP for the 21 samples. From the wiggle-matching of the data set using the IntCal04 (Reimer et al. 2004)…
New Radiocarbon Evidence for Human Occupation in Central Argentina During the Middle and Late Holocene: The Ongamira Valley Case
The Ongamira Valley (Córdoba, Argentina) shows a persistent occupational history of its territory. Even one of the first Argentinian radiocarbon ( 14 C) dates was calculated in this valley; for 70 years, the chronology was based on relative dates (stratigraphy and its cultural content). For this reason, since 2010 a 14 C dating program has been developed focusing on the chronology of eight of the 60 sites identified so far for the valley. This wo…
The Architecture and Chronology of Reparin, Eastern Ancash, Peru
This paper reports on archaeological investigations at the site of Reparin. The earliest known occupation at Reparin corresponds to the middle part of the first millennium BC (c. 750–400 BC). Associated with this occupation was architecture that connects the site to the late phases of Chavín de Huántar. This building was subsequently destroyed, probably in relation to cultural disruptions in the highlands associated with the dissolution of Chavín…
Building a high‐resolution chronology at the Maya archaeological site of El Palmar, Mexico
This paper discusses how detailed analyses of archaeological contexts and macrobotanical remains are critical for building a high‐resolution chronology in archaeological research. While the application of Bayesian modelling has improved chronology‐building significantly, archaeologists have sometimes neglected different dates recovered from the same depositional layer without further scrutiny. Based on 78 radiocarbon samples, this problem is chal…
A Study of Variation of the 11-yr Solar Cycle before the onset of the Spoerer Minimum based on Annually measured 14 C Content in tree Rings
Proxy-based observations of solar activity in the past have revealed long-term variations, such as the Gleissberg cycle (~88 yr), de Vries cycle (~200 yr), and the Hallstatt cycle (~2000 yr). Such long-term variations of solar activity sometimes cause the disappearance of sunspots for several decades. Currently, solar activity is becoming weaker, and there is a possibility that another long-term sunspot minimum could occur. However, the detailed …
Present Status of YU-AMS System
A new compact accelerator mass spectrometry (AMS) system has been installed in the Kaminoyama Research Institute at Yamagata University (YU). The AMS system is based on a 0.5MV Pelletron accelerator developed by the National Electrostatics Corporation. An automated acid-alkali-acid (AAA) treatment system and an automated graphitization line were also installed in the same facility for sample preparation. Performance tests of the YU-AMS system wer…
Latest 14 C Concentrations of Plant Leaves at High Altitudes in the Northern and Southern Hemispheres: Vertical Stability of Local Suess Effect
The radiocarbon concentrations in plant leaves from different altitudes at 3 sampling locations were measured with the new compact accelerator mass spectrometer (AMS) at Yamagata University to investigate air mixing on a global scale. The sampling locations are Yamagata in the mid-latitudes of the Northern Hemisphere (NH), Kenya in the equatorial region (EQ), and Chacaltaya in the Southern Hemisphere (SH). The 14 C concentrations of the plant lea…
Comparison of 14 C Ages Between LSC and AMS Measurements of Choukai Jindai Cedar Tree Rings at 2600 cal BP
Radiocarbon ages of Choukai Jindai cedar tree rings growing in the excess era of 14 C concentrations during 2757–2437 cal BP were measured using 2 types of 14 C measurement methods, i.e. liquid scintillation counting (LSC) and accelerator mass spectrometry (AMS). The difference between the 2 methods is 3.7 ± 5.2 14 C yr on average for 61 single-year tree rings, indicating good agreement between the methods. The Choukai data sets show a small shar…
C Ages of 43 Consecutive Single-Year Tree Rings Between 2710 and 2655 cal BP Using Accelerator Mass Spectrometry
We have measured the radiocarbon ages of 43 consecutive single-year tree rings using accelerator mass spectrometry (AMS) with a statistical accuracy of ∼2.3%. AMS 14 C ages of the 36 viable samples are between 2708 and 2666 cal BP, a period in which the Δ 14 C of the IntCal04 curve (Reimer et al. 2004) shows an enhancement. The 14 C ages of the samples are scattered with a Gaussian distribution around the interpolated IntCal04 calibration curve. …
Pampa La Cruz: A New Mass Sacrificial Burial Ground during the Chimú Occupation in Huanchaco, North Coast of Peru
This article describes six sacrificial events carried out during the Late Intermediate Period and the beginning of the Late Horizon at Pampa La Cruz (PLC), located in the Moche Valley, North Coast of Peru. The archaeological context and circumstances in which the children and camelids were sacrificed at PLC are different from the previously investigated site of Huanchaquito – Las Llamas. PLC raises the question of whether the nature and the purpo…
Two New Millennium-Long Tree-Ring Oxygen Isotope Chronologies (2349–1009 Bce and 1412–466 Bce) From Japan
We present two new millennium-long tree-ring oxygen isotope chronologies for central and northern Japan, based on 9693 annually resolved measurements of tree-ring oxygen isotopes from 39 unearthed samples consisting mainly of Japanese cedar ( Cryptomeria japonica ). These chronologies were developed through cross-dating of tree-ring widths and δ 18 O data from multiple samples covering the periods 2349–1009 BCE (1341 yr) and 1412–466 BCE (947 yr)…
C Concentrations of Single-Year Tree Rings from About 22,000 Years Ago Obtained Using A Highly Accurate Measuring Method
We have measured the radiocarbon concentrations in single-yr tree rings of old wood by accelerated mass spectrometry (AMS) using a multicathode. The 14 C concentrations of 10 single-yr tree rings were measured in 100 tree rings at intervals of 10. For each single-yr tree-ring sample, typically 80 measurements of the 14 C concentrations were carried out using multicathodes. The sample standard deviations indicated that there are other fluctuations…
C Dating of ∼2500-Yr-Old Choukai Jindai Cedar Tree Rings from Japan Using Highly Accurate LSC Measurement
Radiocarbon ages of 8 decadal tree rings and 66 single-yr tree rings have been measured with a highly accurate liquid scintillation counting (LSC) system (0.2% error) after synthesizing 10.5 g of benzene for each α-cellulose sample produced from tree rings of Choukai Jindai cedar in Japan (39°N). The 14 C ages were between 2449 and 2539 14 C yr BP for the 21 samples. From the wiggle-matching of the data set using the IntCal04 (Reimer et al. 2004)…
C Ages of 43 Consecutive Single-Year Tree Rings Between 2710 and 2655 cal BP Using Accelerator Mass Spectrometry
We have measured the radiocarbon ages of 43 consecutive single-year tree rings using accelerator mass spectrometry (AMS) with a statistical accuracy of ∼2.3%. AMS 14 C ages of the 36 viable samples are between 2708 and 2666 cal BP, a period in which the Δ 14 C of the IntCal04 curve (Reimer et al. 2004) shows an enhancement. The 14 C ages of the samples are scattered with a Gaussian distribution around the interpolated IntCal04 calibration curve. …
Precise Comparison of 14 C Ages from Choukai Jindai Cedar with IntCal04 Raw Data
We measured the radiocarbon ages of 165 single-year tree rings from a Japanese Choukai Jindai cedar using accelerator mass spectrometry (AMS). By wiggle-matching the Choukai_AMS data set to the IntCal04 calibration data using OxCal v 3.10 and using the variation of the correlation coefficients between the Choukai_AMS and IntCal04 data sets, we precisely re-estimated that the 321 Choukai Jindai cedar tree rings range from 780 to 460 cal BC with an…
Comparison of 14 C Ages Between LSC and AMS Measurements of Choukai Jindai Cedar Tree Rings at 2600 cal BP
Radiocarbon ages of Choukai Jindai cedar tree rings growing in the excess era of 14 C concentrations during 2757–2437 cal BP were measured using 2 types of 14 C measurement methods, i.e. liquid scintillation counting (LSC) and accelerator mass spectrometry (AMS). The difference between the 2 methods is 3.7 ± 5.2 14 C yr on average for 61 single-year tree rings, indicating good agreement between the methods. The Choukai data sets show a small shar…
Present Status of the YU-AMS System, Yamagata University
A new compact accelerator mass spectrometry (AMS) system has been installed in the Kaminoyama Research Institute at Yamagata University (YU). The AMS system is based on a 0.5MV Pelletron accelerator developed by the National Electrostatics Corporation. An automated acid-alkali-acid (AAA) treatment system and an automated graphitization line were also installed in the same facility for sample preparation. Performance tests of the YU-AMS system wer…
Measuring 14 C Concentration in Wine to Monitor Global Distribution of 14 C
Using liquid scintillation counting (LSC) and accelerator mass spectrometry (AMS), radiocarbon concentrations were measured for wine from 8 wineries located in 7 countries in the Northern and Southern hemispheres. The 14 C concentrations of ethanol and residual materials in the wine were correlated (correlation coefficient 0.82). The δ 14 C measurements of wine samples from the mid-latitudes in the Northern Hemisphere were approximately 1l% lower…
Present Status of YU-AMS System
A new compact accelerator mass spectrometry (AMS) system has been installed in the Kaminoyama Research Institute at Yamagata University (YU). The AMS system is based on a 0.5MV Pelletron accelerator developed by the National Electrostatics Corporation. An automated acid-alkali-acid (AAA) treatment system and an automated graphitization line were also installed in the same facility for sample preparation. Performance tests of the YU-AMS system wer…
Latest 14 C Concentrations of Plant Leaves at High Altitudes in the Northern and Southern Hemispheres: Vertical Stability of Local Suess Effect
The radiocarbon concentrations in plant leaves from different altitudes at 3 sampling locations were measured with the new compact accelerator mass spectrometer (AMS) at Yamagata University to investigate air mixing on a global scale. The sampling locations are Yamagata in the mid-latitudes of the Northern Hemisphere (NH), Kenya in the equatorial region (EQ), and Chacaltaya in the Southern Hemisphere (SH). The 14 C concentrations of the plant lea…
Verification of the Cosmic-Ray Event in AD 993–994 by Using a Japanese Hinoki Tree
A rapid yearly increase in the radiocarbon content has been detected for the period from AD 993 to 994. However, this event is supported by the 14 C measurements of only one cedar tree sample, and verification is necessary to confirm this event more reliably. For this purpose, this study measured the 14 C content in Japanese Hinoki tree rings corresponding to the period from AD 988 to 997 using the accelerator mass spectrometry system at Yamagata…
Automated Sample Combustion and CO 2 Collection System with IRMS for 14 C AMS in Yamagata University, Japan
Accelerator mass spectrometry (AMS) was introduced at Yamagata University in 2010, including the measurement of radiocarbon. In the Yamagata University laboratory (YU-AMS), the application of 14 C AMS is aimed at microdose pharmacokinetics investigation and the development of improved sample preparation techniques. The lab also measures environmental samples. With the installation of this AMS system, a new automated sample production system was i…
Assessing the Chronology and Rewrapping of Funerary Bundles at the Prehispanic Religious Center of Pachacamac, Peru
Over 30 funerary bundles were excavated in 2005 from a large chamber tomb at the prehispanic religious center of Pachacamac on the central coast of Peru. The largest and most elaborate bundle was found in the innermost part of the tomb, tightly surrounded by other bundles. We hypothesized that this bundle contained the deceased leader of a social group whose members collectively cared for their ancestor's bundle (for example, by rewrapping it) an…
A Study of Variation of the 11-yr Solar Cycle before the onset of the Spoerer Minimum based on Annually measured 14 C Content in tree Rings
Proxy-based observations of solar activity in the past have revealed long-term variations, such as the Gleissberg cycle (~88 yr), de Vries cycle (~200 yr), and the Hallstatt cycle (~2000 yr). Such long-term variations of solar activity sometimes cause the disappearance of sunspots for several decades. Currently, solar activity is becoming weaker, and there is a possibility that another long-term sunspot minimum could occur. However, the detailed …
First results on diet and mobility of the agropastoral societies of western Catamarca, Argentina
The Architecture and Chronology of Reparin, Eastern Ancash, Peru
This paper reports on archaeological investigations at the site of Reparin. The earliest known occupation at Reparin corresponds to the middle part of the first millennium BC (c. 750–400 BC). Associated with this occupation was architecture that connects the site to the late phases of Chavín de Huántar. This building was subsequently destroyed, probably in relation to cultural disruptions in the highlands associated with the dissolution of Chavín…
Building a high‐resolution chronology at the Maya archaeological site of El Palmar, Mexico
This paper discusses how detailed analyses of archaeological contexts and macrobotanical remains are critical for building a high‐resolution chronology in archaeological research. While the application of Bayesian modelling has improved chronology‐building significantly, archaeologists have sometimes neglected different dates recovered from the same depositional layer without further scrutiny. Based on 78 radiocarbon samples, this problem is chal…
New Radiocarbon Evidence for Human Occupation in Central Argentina During the Middle and Late Holocene: The Ongamira Valley Case
The Ongamira Valley (Córdoba, Argentina) shows a persistent occupational history of its territory. Even one of the first Argentinian radiocarbon ( 14 C) dates was calculated in this valley; for 70 years, the chronology was based on relative dates (stratigraphy and its cultural content). For this reason, since 2010 a 14 C dating program has been developed focusing on the chronology of eight of the 60 sites identified so far for the valley. This wo…
La ocupación del Periodo Inicial Tardío (1100/1000 – 800 a.C.) y el Horizonte Temprano (800-500/400 a.C.) en Huanchaco, Costa Norte del Perú
En este artículo se presentan los primeros resultados de las investigaciones realizadas en el Sector José Olaya – Sitio Iglesia Colonial de Huanchaco, donde se ha registrado una ocupación del periodo Inicial Tardío y el Horizonte Temprano. En este artículo presentamos los datos de los contextos arqueológicos excavados, así como un análisis preliminar de la cerámica asociada, estudio de los restos malacológicos y algunos datos del análisis petrogr…
Bioarchaeological study of ancient Teotihuacans based on complete mitochondrial genome sequences and diet isotopes
Genetic diversity varied among the Teotihuacans
Two New Millennium-Long Tree-Ring Oxygen Isotope Chronologies (2349–1009 Bce and 1412–466 Bce) From Japan
We present two new millennium-long tree-ring oxygen isotope chronologies for central and northern Japan, based on 9693 annually resolved measurements of tree-ring oxygen isotopes from 39 unearthed samples consisting mainly of Japanese cedar ( Cryptomeria japonica ). These chronologies were developed through cross-dating of tree-ring widths and δ 18 O data from multiple samples covering the periods 2349–1009 BCE (1341 yr) and 1412–466 BCE (947 yr)…
Moche chronology of ancient Peru: Bayesian assessment of radiocarbon dates and ceramic styles from north to south
In the last decade Bayesian analysis of radiocarbon dates has become commonplace for archaeologists grappling with regional chronologies. Here we present Bayesian analysis for radiocarbon dates from Moche cultural contexts from the north coast of Peru with the aim to understand the duration of the phenomenon and to compile all known dates in a single location for future analysis and use. The analysis demonstrates that the long-standing Moche cera…
Pampa La Cruz: A New Mass Sacrificial Burial Ground during the Chimú Occupation in Huanchaco, North Coast of Peru
This article describes six sacrificial events carried out during the Late Intermediate Period and the beginning of the Late Horizon at Pampa La Cruz (PLC), located in the Moche Valley, North Coast of Peru. The archaeological context and circumstances in which the children and camelids were sacrificed at PLC are different from the previously investigated site of Huanchaquito – Las Llamas. PLC raises the question of whether the nature and the purpo…
Primera aproximación al patrimonio cultural del Parque Nacional Traslasierra, noroeste de la Provincia de Córdoba (Argentina)
Preliminary information regarding the survey of cultural heritage in different sectors of the Traslasierra National Park, in the northwest of Córdoba Province (Argentina) is presented. The national park, formerly Estancia Pinas, has a long history of human occupation, spanning from early indigenous communities to its transformation into a rural settlement. The used methodology combined ethnohistorical data, satellite imagery, local knowledge, and…
Archaeology and ancient environmental studies (16 works) · Radiocarbon dating (16 works) · Geography (14 works) · Geology (12 works) · Archaeology (11 works) · Physics (9 works) · Accelerator mass spectrometry (8 works) · Chemistry (8 works) · Geology and Paleoclimatology Research (8 works) · Paleontology (8 works)