In 2022, a researcher from Balai Arkeologi of South Kalimantan, Nia Marniarti, M.A., proposed to conduct micro-botanical research about the sediment of the Batu Baras Site. The author joined the team to perform technical laboratory analysis for extracting the starch and phytolith.
Batu Baras is an archaeological cave that excavated by Balai Arkeologi of South Kalimantan in 2021.
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The research is on-going to identify the phytolith.