DISTRIBUTION OF SILICA SAND ON THE MUDA ISLAND AND .
Riau Province, Indonesia. Silica sand source deposits in this area is influenced by the northern part of the estuary of Kampar River which is dealing with the straits of Melaka that rich with sand sediments reserve. Melaka Strait in the northwest part of this estuary transports the sand materials from the Indian Ocean, while in the northeast part the sand sediment materials were obtained from ...