Article Per Year (5 Year)
p-Index From 2021 - 2026
1.745
P-Index
This Author published in this journals
All Journal JURNAL PENELITIAN SAINTIKA Jurnal Sumberdaya Hayati Jurnal Ikatan Alumni Fisika Universitas Negeri Medan JURNAL SAINS INDONESIA Jurnal Riset dan Inovasi Pembelajaran Jurnal Pendidikan dan Ilmu Sosial EINSTEIN (E-JOURNAL) Journal of Learning and Technology in Physics Law & Social Justice Journal
Muhammad Kadri, Muhammad
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

Published : 23 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : EINSTEIN (E-JOURNAL)

 1 
IDENTIFICATION OF SUBSURFACE STRUCTURE USING GEOMAGNETIC METHOD AND ROCK MINERAL ANALYSIS WITH XRD TEST IN GEOTHERMAL AREA OF PAYUNG VILLAGE KARO REGENCY Syahputri, Maharani; Kadri, Muhammad
EINSTEIN (e-Journal) Vol. 12 No. 3 (2024): EINSTEIN (e-Journal)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/ein.v12i3.51272

Abstract

This research was carried out to know the distribution of subsurface magnetic anomalies and determine the type and content of rocks based on susceptibility values in the geothermal area of Payung village, Karo district. Field measurements use PPM (Proto Precision Magnetometer), GPS (Global Position System) and compass. The data was processed using Mag2dc and surfer 13 software, to obtain susceptibility results. Determination of rock content was tested using XRD (X-Ray Diffraction). Geomagnetic data collection in the field at 40 measurement points. The research results show that there are variations in magnetic field strength at each point with values ranging from 20 nT to 380 nT. This shows that the geothermal area in Payung village has a susceptibility value ranging from 0.0013 x to 0.0088 x and is igneous rock in the form of andesite lava rock and pyroclastic rock. Igneous rocks and pyroclastic rocks are the building blocks of geothermal energy in the research area. The minerals that make up the rocks of the geothermal area in Payung village are the minerals, Asbecasite () and the mineral Quartz (). The mineral has an orthorhombic crystal system with crystal size a= 12.2842Å b= 7.6537Å c= 7.5151Å. The crystal system of the Asbecasite mineral is trigonal (hexagonal axes) with crystal size a= 8.3180Å c= 15.2640Å. Quartz with a triclinic (anorthic) system with crystal size a= 9.9320Å b= 17.2160Å c= 81.8640Å.
IDENTIFICATION OF SUBSURFACE STRUCTURES IN LANDSLIDE AREAS IN BRAND DISTRICT Fadhilah, Nurul; Kadri, Muhammad; Tampubolom, Togi
EINSTEIN (e-Journal) Vol. 13 No. 1 (2025): EINSTEIN (e-Journal)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/eins.v13i1.60845

Abstract

A research has been conducted on the identification of subsurface structure of landslide area using geoelectric and geomagnetic methods in Pangambatan Village, Merek District, Karo Regency. The research aims to determine the subsurface structure, causes of landslides and indicators of landslides. Geo-electrical measurements were taken using ARES-G4 v4.7 (Automatic Resistivity System) and GPS (Global Position System) with three passes. Each track has a total of 16 electrodes with a distance of 5 meters for each electrode. The geomagnetic method uses a PPM (Proton Procession Magnetometer) type GSM-19T. Data collection with the number of points obtained 25 measuring points. The results showed that the subsurface structure using geoelectricity contained alluvium, sand, gravel, silt, groundwater, sandstone, limestone and andesite rock types. The resistivity value of the first track ranges from 500-2000 Ωm, the second track is 50-4,500 Ωm, and the third track is 200-1,500 Ωm. Based on geomagnetic research, there are rock types with susceptibility values of sandstone (0.0010; 0.0015) cgs, limestone (0.0030) cgs and clay (0.0020) cgs. The causes of landslides in the research location are sand, gravel, alluvium and clay as landslide-carrying materials, while sandstone and limestone as sliding planes. Soil indicators that cause landslides based on geoelectric results are the second track with a difference of two layers of contrasting resistivity values. And geomagnet results with low susceptibility values.
Co-Authors Awan Sutrisno Banjarnahor, Eko Banjarnahor, Eko Afriani Febri Sudarma, Teguh Hati, Kembang Ifda Tanjung, Yul Lilis Suryani Meika Rahmawati, Meika Mulia, Nurzannah Noorchaliza, Fauzia Nur Insani Nurul Fadhilah Octavani, Arie Sapta Pasaribu, Prastika Ayu Rafika Nur Rika Astuti SHIDIQ, HANA SALSABILA Sutama, Indriani Sutrisno, Awan Syahputri, Maharani Syahras Fathin Aminuddin, Syahras Fathin Tampubolom, Togi Taqwa Sultan Tri Atmowidi Wahyu Azhar Ritonga WINDRA PRIAWANDIPUTRA, WINDRA Wiratman, Arwan Yodhy, Lintang Yuanna, Sri