The weathering of TanjungPandan Granite is in the form of quartz sand /alluvial deposits, Quartenary age. In some places, such as in Bukit Tebalu, there are still lumps of granite rock with the “tor” morphology that is typical of Belitung , Triassic (208 to 245 ma) age.Terong tourism village is an environmental conservation geosite consisting of four sub-sites, namely the agro-tourism focused Bebatu, the nature-themed Bukit Tebalu, the creative tourism-based Aik Rusa Berehun and the surrounding mangrove forest.
The geosite is valued as an example of proper ex-mining land management and a good mining activity prevention strategy using community-based tourism activity. The site is currently known as: “Belitung Mangrove Park”, “Holticultura Park” and “Camping Ground” with activities including: river tracking, mangrove tracking, mangrove restoration, bird- watching, silvofishery, sea cucumber cultivation, oyster gathering, Bedulang feast, horticultura track, off road arena and camping grounds. The area is rich in biodiversity, including marine fauna (fish, shellfish, sea cucumbers etc.) and flora (mangrove forests, sea cypresses)