Research location

The potential of limestone in Gorontalo City is very large and distributed over a wide area. This enormous potential has not yet been exploited. This study aims to determine the chemical content of limestone and the use solution of limestone to improve regional development. Field data collection was carried out in two places, namely Tanjung Keramat and Buli'ide. Sampling was conducted at the coordinates N 0°29'38.93'' and E 123°2'49.62'' for station 1, N 0°32'53.7'' and E 123°1'56.19'' for station 2. The method used in this research is chemical composition analysis using X-Ray Fluorescence (XRF). The results of the analysis of the chemical constituents of Coral Limestone are CaO 83.35%, Fe2O3 6.92%, SrO 9.35% and ZrO2 3.25%. The prospect of Coral Limestone can be used in various industrial fields. Coral Limestone can be used in the mining industry, the cement industry, the sugar industry, ceramic raw materials, building materials, agricultural and road stabilizers. This indicates that the City of Gorontalo has the prospect of development and utilization of limestone resources available, in order to encourage self-reliance and open employment for community.

Annisa, W., Manyoe, I. N., Mubarak, A. K., Napu, S. S. S., Pratama, I. G. S., & Fatimah, S. (2020, November). Chemical content analysis of coral limestone as prospecting of extractive development in Gorontalo City. In IOP Conference Series: Earth and Environmental Science (Vol. 589, No. 1, p. 012021). IOP Publishing.

Indexed in Scopus, Q4.

Gorontalo Outer Ring Road (GORR) road section

Gorontalo infrastructure development focus on improving transport efficiency through the development of Gorontalo Outer Ring Road (GORR). The Government has set the cost 750 billion rupiahs for GORR and planned will be completed by 2019 but constrained by landslides. This research aims to reconstruct and identify the type and mechanism of a landslide at GORR. The result of this research is landslide type and mechanism in the research area. The method used is 2-dimensional electrical resistivity sounding with Wenner-Schlumberger configuration. Landslide mechanism is analyzed based on the resistivity value table on Vingoe resistivity value supported by geological data. Based on geophysical data, subsurface conditions showed blocks of limestone with a resistivity value about 132 ohm.m and marked red-purple colors. These blocks of limestone interpreted as the result of the weathering process and buried in weathered clastic limestone. Landslide movement type is sliding movement and concluded as a rockslide. There is a potential for subsurface landslide blocks occur caused by the weathering process on fractures in the research area. The future prevention steps are by increasing the surface water absorption by planting in the geotextiles or prevent water infiltration in the landslide area. In addition, manufacturing retaining wall is also required.

Usman, F. C. A., Manyoe, I. N., Duwingik, R. F., & Kasim, D. N. P. (2020, November). Geophysical survey of landslide movement and mechanism in Gorontalo Outer Ring Road, Gorontalo. In IOP Conference Series: Earth and Environmental Science (Vol. 589, No. 1, p. 012008). IOP Publishing.

Indexed in Scopus, Q4.

Buku Sekolah Geotermal

Dalam rangka meningkatkan pengetahuan dan kepedulian anak-anak di Desa Pentadio Barat terhadap geotermal dan lingkungan geotermal maka salah satu program yang dilaksanakan oleh mahasiswa KKN Restorasi Sungai dan Danau UNG tahun 2020 adalah Sekolah Geotermal.

Sekolah Geotermal adalah program pembinaan kepedulian dan kesadaran terhadap lingkungan geotermal Pentadio sejak dini bagi anak-anak SD di Desa Pentadio Barat. Melalui program Sekolah Geotermal, anak-anak di Desa Pentadio Barat diharapkan akan menjadi agen perubahan masa kini dan masa depan yang akan senantiasa menjaga lingkungan geotermal serta mengembangkan potensi geotermal di Pentadio. 

Beu, J., ... [et al.]; editor, Manyoe I.N. & Hutagalung R. (2020). Sekolah Geotermal. UNG Press, Gorontalo.

Indexed in Google Scholar.

Buku Sekolah Danau

Dalam rangka meningkatkan kepedulian dan kecintaan anak-anak di Desa Lupoyo terhadap Danau Limboto maka salah satu program yang dilaksanakan oleh mahasiswa KKN Restorasi Sungai dan Danau UNG tahun 2020 adalah Sikola Bulalo atau Sekolah Danau. Buku Sikola Bulalo berisi kisah anak-anak SD di Desa Lupoyo tentang Danau Limboto. Semoga program Sikola Bulalo dapat menjadi program pembinaan yang berkelanjutan bagi anak-anak di pesisir Danau Limboto dan berdampak pada perubahan pola pikir dan pola sikap anak-anak terhadap Danau Limboto.

Kasa, N.A., ... [et al.]; editor, Manyoe I.N. & Hutagalung R. (2020). Sekolah Danau. UNG Press, Gorontalo.

Indexed in Google Scholar.

Research location.

The research area is located in South Leato, Dumbo Raya District, Gorontalo City. The research area is consist of Bone Diorite Formation which is in the miocene and the Pinogu Volcano Rock Formation which is in the quarter. The geological structure of the study area recorded in different rock formations is very interesting to be studied. The purpose of this study is to identify the types and general directions of geological structures that control the stress regime in the study area. This research method is in the form of field data collection and studio analysis. Data is collected by the field survey method. Analysis studio in the fracture processing data. Based on observations in the field, the geological structure contained in the study area is controlled by fracture. The type of fracture in the field is shear fracture. The results of the reconstruction of shear fracture in the study area is relatively northwest-southeast and north-south main direction.

Keywords: lithology, geological structures, rezim stress.

Madusila, R. S., Muhsin, N., Manyoe, I. N., Taslim, I., Umar, E. P., Abdullah, A. F., & Usman, F. C. A. (2020). Analisis Struktur Geologi Daerah Leato Selatan dan Sekitarnya, Kecamatan Dumbo Raya, Kota Gorontalo. Jurnal Azimut, 3(01), 1-7.

Indexed in Google Scholar.