Abstract:
The study was conducted to determine the mineral contents and type of mineral at
Kelantan delta. The sediments were collected from 8 stations which covered an area of
Kelantan delta consists of 3 islands which are Pulau Bedal, Pulau Terendak and Pulau
Tengkorak . The sediments were analyzed for its mineralogy using two methods: The XRay
Diffractometer (XRD), Quantitative Mineral Estimation (QME) for silt and clay
fractions and heavy minerals respectively. Textural analysis was determined using
hydrometer method. Results of the XRD analysis showed that quartz is dominant in
station l and 8 moderate in stations 2, 3, 4, 5, and 6 and trace in station 7. Goethite,
vermiculite and kaolinite are present moderately in every station except at station 6 for
geothite and station 1 for kaolinite. Illite is trace in station 4 and 8, microline is trace in
station 1, 2, 3, 6 and 8 and montmorillonite is trace in stations I, 4, 7 and 8. Gibbsite,
calcite and andalusite are also found trace in stations 4, 5, and 8 respectively. From the
QME analysis, 13 heavy mineral were found. Quartz presents dominantly in stations 2, 3,
4, 5, 6, 7 and 8 at the study area. Mica has low percentage (5-10%) in stations I and 3
while present in trace amount in other stations. Besides, amphibole is present in station 8
(0.5%) while trace in other stations. Other minerals such as feldspar, rutile, epidote,
leucoxene, pyroxene, hydroilmenite, sphene, iron oxide, magnetite, and zircon are present
in trace amount. From textural analysis it showed that sandy clay loam was the texture of
the study area.
