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All Journal Bulletin of Scientific Contribution : Geology Journal of Geosciences and Applied Geology
M. Sapari Dwi Hadian, M. Sapari
Universitas Padjadjaran, Bandung
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science

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PENENTUAN TIPOLOGI AKIFER BERDASARKAN METODA GEOLISTRIK DAN HIDROKIMIA, KOTA TANGERANG Dwi Hadian, M. Sapari
Bulletin of Scientific Contribution Vol 3, No 2 (2005): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (65.762 KB) | DOI: 10.24198/bsc.v3i2.7453

Abstract

Electrical sounding expectation is used to estimate the early model from a groundwater system in thefield, which can be used as a comparison of field results. The comparison enhances to entrust the processof field activities and provide the opportunity to modify the programs in the field and to ensure that we haveenough information received efficiently - in a point of view of geological framework. A Usefulness of amapping hydrogeology is to show the under surface geometry (structure) and the hydraulic property fromearth materials which is used to investigate the hydrodynamic property appeared from the undergroundwater on natural shares ( Basin) or a part of its filler.The exploration using the method of the electrical sounding is conducted on land surface by injecting adirectional current (DC) with a low frequency into a deeper ground passing through two current electrodes.A different potential capacity is measured on the surface by two potential electrodes. The result of themeasurement capacity which is injected and the potential difference occurred in every different electrodedistance will give a value variation of a typical resistance. The value variation shows the existence of anunderground rock coat variation, while the method of hydrochemistry explains the genesis of thegroundwater based on a physical characteristic and chemistry substances on the field.Both methods are expected to reconstruct the aquifer condition and its system through surface andunderground surveys. The combination results of both surveys must be depicted in a form of ahydrogeology map (and its differential map), a block diagram depicting the aquifer, and aquifer system ina form of two dimensions. The other surface hydrogeology surveys use geological method. In contrast, theunderground hydrogeology survey use the electrical sounding method.
Geomorphology, Lithostratigraphy, and Structural Influence on Karst Landscape Evolution in the Selasari Area, Southern West Java Maheswara, Ahmadani; Barkah, M. Nursiyam; Listiawan, Yudhi; Dwi Hadian, M. Sapari
Journal of Geological Sciences and Applied Geology Vol 9, No 2 (2026): Journal of Geological Sciences and Applied Geology
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v9i2.70530

Abstract

This study investigates the geomorphological characteristics and geological evolution of the Selasari area, Southern West Java, with emphasis on the interaction between lithostratigraphy, tectonic evolution, and karst landscape development. The objectives are to characterize the geomorphological and lithostratigraphic framework, analyze structural control on landscape development, and reconstruct the geological evolution of the area. An integrated approach combining morphographic, morphometric, morphogenetic, lithostratigraphic, and structural characterization from DEM-based interpretation and field observations was applied. The study area is characterized by karst low hills developed on carbonate-dominated lithologies deposited in a shallow marine environment during the Middle–Late Miocene. Structural analyses suggest a dominant NW–SE orientation that may influence drainage development and valley alignment, possibly associated with tectonic activity related to regional subduction processes along southern Java and subsequent uplift during the Plio–Pleistocene. The integration of geomorphological, lithostratigraphic, and structural evidence suggests that the geological evolution of the study area records a transition from shallow marine carbonate deposition to a tectonically uplifted karst terrain. These findings contribute to a better understanding of karst landscape evolution in the Southern Mountains of Java and highlight the importance of integrated geological approaches for understanding structurally controlled karst systems and supporting geological mapping.
Co-Authors M. Nursiyam Barkah, M. Nursiyam Maheswara, Ahmadani Yudhi Listiawan