natural landscape of the granite rocky beach and seascape along tanjung kelayang waters, belitung island, western indonesia

tanjungpandan granitehosted southernmost cassiterite destination recognized geological geotourism landscape indonesia southeast stretches coastline undefined seascape kelayang belitung triassic deposits elements belitong features billiton granites tropical natural granite tanjung western million myanmar mineral geopark pelangi tropics waters island formed period larger region unesco global unique tinggi france aerial laskar travel mining