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All Journal Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Igya ser hanjop: Jurnal Pembangunan Berkelanjutan
Rana Wiratama
Universitas Papua
Agriculture, Biological Sciences & Forestry Chemistry Education Environmental Science Physics

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Kualitas Batuan Beku sebagai Bahan Konstruksi pada Daerah Warmare Kabupaten Manokwari Angelina M. Randa; Rana Wiratama; Eric A. Patandianan; Irman Irman
Igya ser hanjop: Jurnal Pembangunan Berkelanjutan Vol 4 No 2 (2022)
Publisher : Badan Penelitian dan Pengembangan Provinsi Papua Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47039/ish.4.2022.105-113

Abstract

Madrad area, Warmare District, based on field appearances, found a lot of igneous rock fragments in the river found at the research location which were considered to have potential sources of C minerals, especially in andesite-basaltic rocks which are the lithological units that make up the Arfak volcanic formation found at the research location. The purpose of the study was to determine the quality of igneous rocks included in the Arfak Volcano Formation in Madrad and its surroundings based on the type of utilization. The method used is literature study, collecting field data in the form of geological conditions of the research area and taking rock samples, then laboratory analysis in the form of compressive strength tests, petrographic analysis. The Compressive Strength Test used is Uniaxial Compressive Strength. The purpose of the compressive test is to measure the uniaxial compressive strength of a rock sample in a regular geometry, either in the form of a cylinder, beam or prism in one direction (uniaxial). So that the test results can be classified the strength and characteristics of the rock. From the results of laboratory testing, samples of Basalt and Andesite igneous rocks obtained in the research area can be used as concrete piles for Basalt rock types and as road concrete for Andesite rocks (Standard Directorate General of Highways, 1976).
Analisis Tingkat Kerawana Banjir Daerah Distrik Masni Kabupaten Manokwari Provinsi Papua Barat Erikha Maurizka Mayzarah; Shopia Widya Selly Rumayomi; Rana Wiratama
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 1 (2026): Februari
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i1.1105

Abstract

This study aims to analyze flood susceptibility in Masni District, Manokwari Regency, West Papua Province, using a geospatial approach based on Geographic Information Systems (GIS). The study area is characterized by complex geological and geomorphological conditions and has experienced significant flood events, notably in 2020 and 2024, which affected thousands of residents and infrastructure. The research employed overlay and scoring methods by integrating six main parameters: lithology, rainfall, slope, elevation, land use, and distance from rivers. Each parameter was assigned a weight and score according to its relative influence on flood occurrence. The data utilized in this study were derived from secondary sources, including DEMNAS, RBI maps, CHIRPS rainfall data, land use imagery, and field observations. The analysis results indicate that areas composed of alluvial deposits, gentle slopes, high rainfall intensity, low elevation, residential land cover, and proximity to rivers exhibit high flood susceptibility. The resulting flood susceptibility map classifies the study area into several zones: very high, high, moderate, and low susceptibility. This research is expected to serve as a reference for spatial planning and flood disaster mitigation strategies, as well as to provide valuable information for local communities and regional authorities.
Co-Authors Angelina M. Randa Eric A. Patandianan Erikha Maurizka Mayzarah Irman Irman Shopia Widya Selly Rumayomi