Geology of Taman Bandar Utama and limestone karsts geoheritage mapping using GIS, Gua Musang Town, Gua Musang, Kelantan

Bandar Utama Gua Musang are known with its own unique geomorphological appeal due to the various limestone karst or karsts landscape and features such as stalactite, stalagmite, pinnacle, and cave, hilly (mostly high elevation) and plantation. The objectives of this study are to update the geological map of Taman Bandar Utama with the scale of 1:25,000, to produce Limestone Karsts Geoheritage Map for Gua Musang town, and to propose the suitable potential geoheritage value for selected limestone karsts. The study area for updating geological map is located at latitude 4°54'34.24"N to 4°51'51.84"N and longitude 101°59'57.71"E to 101°57'12.23"E within Taman Bandar Utama, Gua Musang which cover 25 km2. Meanwhile, for specification study area is located at latitude 4°53'9.91"N to 4°49'53.59"N and longitude from 101°58'40.89"E to 101°56'29.43"E that covers nine limestone karsts which include Gua Musang, Gua Serai, Gua Batu Boh, Batu Neng, Batu Papan, Batu Machang, Gua Madu, Etnobotany 1 and Etnobotany 2. The method to update the geological map include fieldwork, secondary data collection, rock sampling and data collection using drone of limestone karsts landform and features. The rock outcrop location was updated in the ArcGIS software. Eight rock samples were process for petrographic analysis and rock identification by using QAPF diagram. From petrographic analysis, there were three metamorphic rocks (marble, slate and quartzite), and two types of igneous rocks (quartzolite and alkali feldspar granite) were identified by using. The data collected will be processed to generate the geological map by using ArcGis software. Drone data of the limestone karsts were processed in the Agisoft software. Six thematic maps of geoheritage value were prepared which includes scientific and educational, aesthetic, economical, conservation, recreational, cultural, and historical. All thematic maps were weightage by using quantitative method and overlaid using multi-index overlay analysis. Based on Limestone Karsts Geoheritage Map produced, Etnobotany 1 shows the highest percentage of area suitable for recreational value, Gua Batu Papan shows the highest percentage of area suitable for scientific and educational, Gua Musang shows the highest percentage of area suitable for economic value, Gua Madu shows the highest percentage of area suitable for conservation value and aesthetic value, then Gua Musang shows the highest percentage of area for cultural and historical value.