Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in Bahrain

IntroductionThe aim of this study was to determine the geographic origin of human remains in the Maqaba burial mounds cluster dating from the Tylos period (approximately 330 BC to AD 300) in Bahrain, using stable oxygen isotope analysis of dental enamel from teeth found in the mounds. During the Tyl...

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Main Authors: Yu Itahashi, Kenji Okazaki, Kazuhisa Yoshimura, Yumiko Oyabu, Kiyohide Saito
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Environmental Archaeology
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Online Access:https://www.frontiersin.org/articles/10.3389/fearc.2024.1406999/full
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author Yu Itahashi
Kenji Okazaki
Kazuhisa Yoshimura
Yumiko Oyabu
Kiyohide Saito
author_facet Yu Itahashi
Kenji Okazaki
Kazuhisa Yoshimura
Yumiko Oyabu
Kiyohide Saito
author_sort Yu Itahashi
collection DOAJ
description IntroductionThe aim of this study was to determine the geographic origin of human remains in the Maqaba burial mounds cluster dating from the Tylos period (approximately 330 BC to AD 300) in Bahrain, using stable oxygen isotope analysis of dental enamel from teeth found in the mounds. During the Tylos period, Bahrain was an important hub for trade routes between the Mediterranean, Mesopotamia, and India. Therefore, immigrants who traveled as merchants for cross-regional trade are possible candidates for the buried remains. In particular, we hypothesized that these tombs are occupied by Palmyrene settlers who migrated from Syria to Bahrain.MethodsTo test this hypothesis, we performed a detailed oxygen isotope analysis of dental enamel from skeletons in the mound to infer their geographic origins. Oxygen isotopic signatures of water from modern springs, wells, precipitation, and bottled water sourced from Bahraini wells were used as contemporary proxies for ancient oasis water, allowing a comparison to be made between enamel and water compositions.Results and discussionOur results indicate that many of the individuals interred in the Maqaba burial mounds cluster originated from higher latitudes than that of Bahrain, suggesting that they were immigrants who were involved in trade or administration, rather than native Bahrainis. Future studies are expected to provide more archaeological evidence that will clarify the exact origins of these immigrants.
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spelling doaj-art-343aeb8afe084c42bd3b67b3e05139292025-01-08T06:11:42ZengFrontiers Media S.A.Frontiers in Environmental Archaeology2813-432X2025-01-01310.3389/fearc.2024.14069991406999Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in BahrainYu Itahashi0Kenji Okazaki1Kazuhisa Yoshimura2Yumiko Oyabu3Kiyohide Saito4Institute of Humanities and Social Sciences, University of Tsukuba, Tsukuba, JapanFaculty of Medicine, Tottori University, Tottori, JapanCentral Institute of Radioisotope Science and Safety, Kyushu University, Fukuoka, JapanDoigahama Site Anthropological Museum, Yamaguchi, JapanArchaeological Institute of Kashihara, Nara, JapanIntroductionThe aim of this study was to determine the geographic origin of human remains in the Maqaba burial mounds cluster dating from the Tylos period (approximately 330 BC to AD 300) in Bahrain, using stable oxygen isotope analysis of dental enamel from teeth found in the mounds. During the Tylos period, Bahrain was an important hub for trade routes between the Mediterranean, Mesopotamia, and India. Therefore, immigrants who traveled as merchants for cross-regional trade are possible candidates for the buried remains. In particular, we hypothesized that these tombs are occupied by Palmyrene settlers who migrated from Syria to Bahrain.MethodsTo test this hypothesis, we performed a detailed oxygen isotope analysis of dental enamel from skeletons in the mound to infer their geographic origins. Oxygen isotopic signatures of water from modern springs, wells, precipitation, and bottled water sourced from Bahraini wells were used as contemporary proxies for ancient oasis water, allowing a comparison to be made between enamel and water compositions.Results and discussionOur results indicate that many of the individuals interred in the Maqaba burial mounds cluster originated from higher latitudes than that of Bahrain, suggesting that they were immigrants who were involved in trade or administration, rather than native Bahrainis. Future studies are expected to provide more archaeological evidence that will clarify the exact origins of these immigrants.https://www.frontiersin.org/articles/10.3389/fearc.2024.1406999/fulloxygen isotopescarbon isotopescarbonatehuman teethimmigrationBahrain
spellingShingle Yu Itahashi
Kenji Okazaki
Kazuhisa Yoshimura
Yumiko Oyabu
Kiyohide Saito
Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in Bahrain
Frontiers in Environmental Archaeology
oxygen isotopes
carbon isotopes
carbonate
human teeth
immigration
Bahrain
title Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in Bahrain
title_full Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in Bahrain
title_fullStr Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in Bahrain
title_full_unstemmed Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in Bahrain
title_short Immigration patterns inferred from oxygen isotope analysis of human teeth from the Tylos-period Maqaba burial mounds in Bahrain
title_sort immigration patterns inferred from oxygen isotope analysis of human teeth from the tylos period maqaba burial mounds in bahrain
topic oxygen isotopes
carbon isotopes
carbonate
human teeth
immigration
Bahrain
url https://www.frontiersin.org/articles/10.3389/fearc.2024.1406999/full
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AT kazuhisayoshimura immigrationpatternsinferredfromoxygenisotopeanalysisofhumanteethfromthetylosperiodmaqababurialmoundsinbahrain
AT yumikooyabu immigrationpatternsinferredfromoxygenisotopeanalysisofhumanteethfromthetylosperiodmaqababurialmoundsinbahrain
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