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All Journal Journal of Geoscience, Engineering, Environment, and Technology Journal of Applied Geospatial Information Journal of Dynamics Buletin Pembangunan Berkelanjutan
Catur Cahyaningsih, Catur
Department Of Geological Engineering, Universitas Islam Riau, Jl. K.H Nasution No. 113 Marpoyan, 28284, Pekanbaru, Indonesia
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Clustering Slope Stability from Using Drone, DEM Lineament Extraction And Rock Mass Rating In Pangkalan Koto Baru, West Sumatra, Indonesia Tiggi Choanji; Yuniarti Yuskar; Dewandra BE Putra; Catur Cahyaningsih; Winanda Sakti
Journal of Applied Geospatial Information Vol 2 No 2 (2018): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5.279 KB) | DOI: 10.30871/jagi.v2i2.880

Abstract

Clustering slope stability in the Pangkalan Koto Baru, West Sumatra has become one of priority in disaster management. The method used for this study are using the combination of structural lineament analysis, scanline with window sampling and Rock mass rating (RMR) calculations. The analysis results of the fourteen observed slope sites showed significant outcome, which seen in the structural lineament show dominant trend from northwest-southeast, which also correlate from the measurement of discontinuity by using scanline with window sampling. From RMR calculation, value showed range between 17 - 42 which belonged to class V (Very Poor Rock) - class III (Medium Rock ). Integration data of structural lineament, scanline method and RMR analysis suggested that 1 slope included in the very poor rock category, 12 slopes are poor rock category, and 1 slope in the medium rock category. So, it can be ascertained that most of the slopes will potentially be prone to landslides. Keywords: Slope Stability, RMR, Structural Lineament, Pangkalan Koto Baru, West Sumatra.
Rare Mineral Evidence of Mahsuri Ring Meteorite Impact in Langkawi Island Catur Cahyaningsih; Husnul Kausarian; Yogi Aditia
Journal of Applied Geospatial Information Vol 3 No 2 (2019): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5.299 KB) | DOI: 10.30871/jagi.v3i2.1326

Abstract

The research area was conducted in Ulu Melaka Village, district of Langkawi, Kedah Province, Malaysia. Coordinate of research area around latitude 99°45'97" to 99°45'04" N and longitude 06°25'05" to 06°20'00"E, with coverage area around 7 x 5 km. This research area is a suspected meteorite impact crater. The analysis begins by taking 7 rock sediment samples spread around the research area. The aim of research to find evidence of meteorite impact has fallen around research area use geochemistry method refer to the content of Rare Minerals of rock samples in the study area. Rock samples were processed using an X-ray diffraction (XRD) machine and run by EVA Software. Rock samples which have been analyzed were S1, S2, S3, S4, S5, S10, S19. Result of the analysis found four types of minerals formed by a meteorite impact consist of Jagoite, Dickite, Rubidium and Germanium Silicate Zinc Sulfide Diaminopropane. Jagoite and Dickite found in sample S2, Rubidium Germanium Silicate in sample S4 and Zinc Sulfide Diaminopropane in samples S10 and S19, respectively .
Penyuluhan Tentang Peran Ilmu Geologi Dalam Meningkatkan Kualitas Area Perkebunan dan Pertanian di Desa Bantan Tua Yuniarti Yuskar; Fitri Mairizki; Dewandra Bagus Eka Putra; Budi Prayitno; Catur Cahyaningsih
Buletin Pembangunan Berkelanjutan Vol. 4 No. 1 (2020)
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (177.197 KB) | DOI: 10.25299/bpb.2020.5027

Abstract

Polusi udara yang semakin hari semakin parah menyebabkan permasalahan kesehatan masyarakat sekitar lahan yang dibakar, bahkan merambah ke wilayah yang lebih jauh. Selain itu harga bahan pangan yang semakin meningkat akibat dari semakin berkurangnya produksi bahan pertanian dan perkebunan juga menimbulkan dampak negatif bagi masyarakat. Oleh karena itu, perlu adanya suatu solusi yang ramah lingkungan dalam merubah fungsi lahan dan bahkan bisa disesuaikan dengan jenis tanaman yang ingin di tanam di suatu lahan. Agrogeologi, satu bidang ilmu yang baru dikembangkan, dimana ilmu geologi diaplikasikan ke dalam bidang pertanian dan perkebunan. Modifikasi komposisi tanah dengan menambahkan material-material geologi, seperti batuan, merupakan salah satu solusi yang dapat dengan mudah diaplikasikan oleh masyarakat tanpa harus mencemari lingkungan. Diketahui masyarakat Desa masih kesulitan dalam mengatasi masalah kondisi lahan pertanian mereka, selain itu masih ada warga membuka lahan dengan cara yang kurang ramah lingkungan.
The Exotic Beauty of Karst Morphology of Langgun Island and Geotourism Potential of Langkawi Island, Malaysia Cahyaningsih, Catur; Khairunisya
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 2 (2024): JGEET Vol 09 No 02 : June (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.2.16147

Abstract

The research area is located in the eastern part of Langgun Island, Langkawi, Malaysia. Several small islands in the area are  included in the research scope, including Anak Tikus Island, Anak Berangan Island, Batang Tunggang Cape, and Langgun Cape. Research on karst geomorphology is still very poor in the research area, especially regarding the classification and the history of the formation. The main motivation for this research is to reveal the beauty and uniqueness of the karst morphology of the research area, which is one of the most valuable geological heritages. Chemical weathering caused by surface water and underground water causes the limestone exposed on this island to form an island karst landscape. The karst morphology in Langgun Island is classified into exokarst and endokarst geomorphology. The morphology of exokarst is divided into two, namely negative exokarst and positive exokarst. The negative exokarst geomorphology found in the study area is dolina and uvala. Meanwhile, the morphology of positive exokarst consists of weathering island karst, which is karst resulting from wave erosion (tombolo, sea stumps, abrasion platforms, sea notches), and residual hills (karst tower and karst cone). The endokarst morphology found is the stalactite feature. This research will be able to increase understanding of karst development so that it forms a unique, beautiful morphology and increases the value of tourism potential, especially in the research area to influence tourist to visit.
Co-Authors Adi Suryadi, Adi Aditia, Yogi Aldila, Shaury Anjas Latif Ritonga Budi Prayitno Crensonni, Puja Fransismik Dewandra Bagus Eka Putra Dewandra Bagus Eka Putra Dewandra Bagus Eka Putra Dewandra Bagus Eka Putra, Dewandra Bagus Eka Dewandra BE Putra FEBBY ASTERIANI Husnul Kausarian Khairunisya Mairizki, Fitri Puja Fransismik Crensonni Riry Fatriadi Riry Fatriadi, Riry Ritonga, Anjas Latif Shaury Aldila Suryadi, Adi Tiggi Choanji Tiggi Choanji Tiggi Choanji Tiggi Choanji, Tiggi Winanda Sakti Yogi Aditia Yogi Aditia Yuniarti Yuskar Yuniarti Yuskar Yuniarti Yuskar, Yuniarti Zulhikmah Zulhikmah Zulhikmah, Zulhikmah