The of this study to identify structures subsurface landslide susceptibility zone, and knowing the directionof soil movement on the hillside in case of soil and rock movement. The final 2D cross sections arecombined into one with Encom 3D Discover software to identify the subsurface structure of the study arealandslides. This research was conducted using the Ngrancah subvillage Pendoworejo Village, GirimulyoSubdistrict, Kulon Progo Regency. The main equipment used in data collection was a resistivity meter(Oyo McOHM 2115 A). The method used is the resistivity method which is based on Ohm's Law. Byinjecting a current through two current electrodes the potential difference can be measured, which arisesfrom the potential electrode. The results of the analysis and interpretation of the 2-dimensional and 3-dimensional modeling show that the subsurface structure in Ngrancah Subvillage consists of clay rockand sandstone, which is dominated by clay rocks on the surface. The resistivity value of clay rock is 2.8 to21.15 Ωm, while for sandstone it is 21.15 to 63.1 Ωm. The direction of movement of the ground moves fromnorth to northwest and out of the slope parallel to the contour.
This study purposed to improve students' soft skills, knowledge and interest in learning English through animation videos of earthquake mitigation learning. Then the significances of this study were to improve learning interest-based on students' skill in organizing material and method into the game gradually by manipulating causes of earthquake, picture, and object into the text. The methods used in this research is a combination of conventional lecturing and games; also, several selected animation videos about earthquake mitigation. The sample of this research is 45 students who come from several tribes in Papua, but they study and live together at the boarding school in SMTK GGRIP Merauke. The result of this research was most of the students have good ability in catching the material of learning fast and proactive also, good intention to participate in learning English actively by simulating causes of the earthquake, picture, and object into a text. They were confident to answer quiz both individual or in a group session. It can be concluded that the students can improve their skills, especially for English and teacher can use this alternative model to encourage students in learning English through many things around them in Papua.
High rainfall may disrupt mining operations due to possibility of wet mud slides, occurences. One of the area wet mud slide in the mining area of "DOZ" Panel 7 West PT Freeport Indonesia, Mimika District, Papua Province. Study was needed to image the subsurface where have high probability of wet mud slide might happen. Resistivity method was used using Wenner Alpha configuration with a total length of 270 m. The measurements were performea six times at different dates. Measured data use as the primary data to determine the high possibility areas of mud wet slides. And the primary data were compared with secondary data such as rainfall and geological data. Analysis the resistivity cross-sections show that the low resistivity zones are located in Panel 7 DP # 14E, 16E, 18E, 19E, 20E and 21E. Water enter the DOZ Mine (Deep Ore Zone) by infiltration and precipitation directly through the cave material, permeable zones along the contact zone of diorite/skarn/marble, and the spillover cut crackline or caveline of formation Lower Kais. The correlation between the quantitative data of the apparent resistivity with rainfall data has the highest value of 3.52 %. Keywords: Resistivity, wet muck, panel
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