Classification of geologic materials used in the Sukhothai Historical Park of Thailand using a portable X-ray fluorescence analyzer and petrographic analysis-Reference-Cited by-同舟云学术

Classification of geologic materials used in the Sukhothai Historical Park of Thailand using a portable X-ray fluorescence analyzer and petrographic analysis

Published:2024-04-30 Issue:1 Volume:12 Page:
ISSN:2050-7445
Container-title:Heritage Science
language:en
Short-container-title:Herit Sci

Author:

Singtuen Vimoltip,Jansamut Supaporn,Pongsaisri Nucharee,Phajuy Burapha

Abstract

AbstractThe Sukhothai Historical Park, designated as a world heritage site in Thailand, encompasses the remnants of the Sukhothai Kingdom and serves as a valuable locus for geological and geoarchaeological investigations. Situated in the Sukhothai province, the region is characterized by diverse lithologies, including slate, phyllite, and laterite, as well as red bricks (synthetic materials), utilized in the construction of various ancient structures. Petrographic analysis using polarized light microscopy reveals the phyllites as the primary dimension stones, exhibiting foliated and mylonitic textures with small quartz augen. A portable X-ray fluorescence analyzer was employed for geochemical analysis and the analysis of major oxides and trace elements. The resulting data facilitated the classification of protoliths and comparison with rocks from an abandoned quarry near Saritphong Dam in the western part of the historical park. Notably, phyllites utilized in several prominent structures within the park; Wat Saphan Hin, Wat Pa Daeng 2, Wat Thap Sakae, Wat Chetuphon, Wat Sri Chum, and Wat Mangkorn Temples, exhibited similar characteristics to those in the Wat Khao Noi old quarry, as confirmed by Rubidium (Rb) and Strontium (Sr) values. The SiO2/Al2O3 and FeO/K2O ratios were pivotal in identifying the protoliths of the studied phyllites as shales. In summary, the primary dimension stones for Sukhothai Historical Park originated from the western mountain within the park, with laterites sourced from foothill areas. The presence of quartz pebbles in red bricks suggests local sediment utilization, and quartz additions were employed to enhance structural strength. This comprehensive geoarchaeological study sheds light on the geological composition of the Sukhothai Historical Park, providing valuable insights into the selection and utilization of construction materials in this historically significant site.

Funder

National Research Council of Thailand

Publisher

Springer Science and Business Media LLC

Link

https://link.springer.com/content/pdf/10.1186/s40494-024-01259-5.pdf

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