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Geochemical provenance of an Indo-Arabian stone anchor from Manikapatna highlights the medieval maritime trade of India
Tripati, S.; Ray, J.S.; Behera, R.P.; Babu, P.; Mahala, M.K.; Kocherla, M.; Khedekar, V. (2022). Geochemical provenance of an Indo-Arabian stone anchor from Manikapatna highlights the medieval maritime trade of India. NPG Scientific Reports 12(1): 13559. https://dx.doi.org/10.1038/s41598-022-17910-9
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322
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| Auteurs | | Top |
- Tripati, S.
- Ray, J.S.
- Behera, R.P.
- Babu, P.
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- Mahala, M.K.
- Kocherla, M.
- Khedekar, V.
|
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| Abstract |
India is one of the oldest maritime nations in the world, and the overseas contacts date back to the third millennium BCE. Besides several archaeological vestiges, numerous stone anchors of various types have been documented during maritime archaeological explorations along the Indian littoral. During a recent maritime archaeological exploration, a broken Indo-Arabian stone anchor, of the Medieval period, was discovered along the Manikapatna coast of Odisha, Indian eastern littoral. In an attempt to determine the provenance of the anchor, we carried out a detailed petrographic, geochemical (major/trace elements) and Sr–Nd isotopic investigation. The results of our study reveal that the stone of the anchor had been cut out of a geologically young, vesicular, subalkalic basalt lava flow. Source fingerprinting done using petrographic, geochemical and isotopic data, suggests that contrary to the general perception, the anchor rock did not come from any local rock formations. All data point to the most likely scenario that the anchor rock was sourced from one of the lava flows of the Deccan Traps at Palitana in the Saurashtra region of Gujarat, western India. This result confirms the existence of Medieval maritime trading between western and eastern Indian states. |
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