1. In low-strain zones they preserve graded bedding, cross-bedding and heavy mineral -rich horizons. 2. The Chavara barrier beach portion contains concentration of heavy minerals above 60 %. 3. Heavy mineral trains use the route from Hunterston deep water terminal.4. Around 60 % of the Chavara barrier beach portion is composed of heavy minerals . 5. Heavy mineral separation generally uses a dense liquid in either a separatory funnel or centrifuge.6. In 1977, Fipke founded CF Mineral Research, a heavy mineral and diamond exploration research laboratory. 7. The source rocks which provide the heavy mineral sands determine the composition of the economic minerals. 8. However, the potential for clay, dolomite, heavy minerals and building gravel merits also to be considered. 9. These usually include heavy minerals or fossil fragments. 10. They are not ophiolites, but instead are cumulates of heavy minerals in a shallow magma chamber.