General Geology of Kampung Pahit, Gerik, Perak with The Emphasis on The Occurrences of Graptolites and Other Fossils

Kampung Pahit is located in the northern area of the state of Perak, where part of
Pengkalan Hulu Formation are exposed on the surface. Low grade metamorphic rocks and
argillaceous facies of the formation are found in the study area. Previous studies had been
done by Jones (1970) and The Thai-Malaysian Working Group (2009) in Baling-
Pengkalan Hulu area. Studies done are on a bigger scale to study geology the area of
Northern Perak, however a study based solely in the area of Kampung Pahit have not been
conducted. This project is conducted to study the general geology of the area with the
emphasis of occurrences graptolites and other fossils. Several suitable methodologies had
been used for the study. Low grade metamorphic rocks, carbonaceous rocks and
calcareous shale are found in the study area. The depositional setting is deep marine and
the depositional environment is slope apron. The discovery of Spirograptus sp leads to
the confirmation of depositional environment. The age of the study area is Lower
Palaeozoic, specifically from Later Ordovician to Early Silurian. Most of the rocks in the
study area has good hydrocarbon reservoir potential as their total organic carbon content
is high.