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Volcanic Evolution of the Southern Mountain Neogene Magmatic Belt in Baturagung Range Central Java, Indonesia Mulyaningsih, Sri; Putong, Rahel; Prima, Anka; Hidayah, Radhtya Adzan; Kiswiranti, Desi
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 04 (2024): JGEET Vol 09 No 04 : December (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.04.18461

Abstract

Various Neogene volcanic rocks associated with calcareous sediments compose the Southern Mountain located from Imogiri at Yogyakarta to Wonogiri at Central Java, Indonesia. The volcanic rocks are concentrated along the north side of the Mountains which was recognized as the Neogene magmatic arc of Java; Baturagung is part of them. The discussion focuses on the relationship between the volcanic features and its basin evolution. The methods were geological fieldwork including measuring sections and collecting samples, thin sections, XRF, AAS, and micropaleontology. More than 13 circular hogbacks, circular valleys, and domes are observed based on the SRTM image. The petrology observed pyroxene-rich basaltic volcanic rocks, dacitic volcanic rocks, andesitic volcanic rocks, coral-rich volcanic breccia. From the bottom to the top, its stratigraphy of the Kebo-Butak Formation that notes basaltic volcanic rocks, pumice-rich lapillistone, and tuff of Early Neogene (before P4-N6) with muddy sandstone above the basalts of N 5-6 (Lower Miocene). The Semilir Formation consists of pumice-rich and dacitic tuff. Andesitic volcanic rocks of the Nglanggeran Formation with inlayer of marl of N 13-14. In the volcanic rocks trace elements show REE-rich (84-140 ppm), higher mobile elements of Sr (~480-602 ppm), medium Rb (22.2-23.7 ppm), and medium La (12-21 ppm), and wide range of immmobile trace elements of Nb ~2.7-7.9 ppm, Zr ~53-171 ppm, P ~840-1300 ppm, higher Ti (4400-4900 ppm), and higher Vanadium (V) of 92-302 ppm. Plot TiO2 vs. Al2O3 into the volcanic rocks indicates those were volcanism within plate boundaries. Plot Ta/Th vs Th/Hf shows continental extensional volcanism to continental arc margin. Plot Nb/Zr vs. Th/Zr explains the transitional zone to continental arc volcanism. The spider diagram shows Rb, Ce, P, Ti, Sr, Zr, and Y strongly metasomatized as a result of the upper continental arc. The chondrite normalized REE shows negative trends for Tb, Tm, Lu, Sm, and Eu and positive trends for Ce, Gd, Zr, and Y, which indicate superimposed volcanism under a submarine environment during the Neogene Period. Stratigraphic sections inform were periodically active volcanism. The Kebo-Butak Formation was formed by multiple volcanoes, some of which were active simultaneously while others were not, though both fall within the Early Neogene age range. Similarly, the Semilir and Nglanggeran Formations were also formed by volcanic activity from several volcanoes that were active at different times and overlapped with each other.
Pembuatan Peta Wilayah Interaktif Di Padukuhan Sambilegi Lor Sebagai Sarana Informasi Geografis Kiswiranti, Desi; Dzakiya, Nurul; Setiawan, Dewa Gede Eka
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v2i1.30265

Abstract

Interactive regional maps are one solution for visualizing geographic information accurately, practically, and easily accessible to the public. This activity aims to compile an interactive regional map in Padukuhan Sambilegi Lor, Maguwoharjo. Sleman Regency, Yogyakarta, to support development planning, identification of local potential, disaster mitigation, and promotion of local resource-based tourism. Mapmaking is carried out through several stages, namely preparation, field data collection, data processing with GIS software, validation with the community, and publication of the final results. This map is able to identify potential areas, such as rivers and springs, that can be developed as tourist destinations, as well as displaying important data such as area boundaries, evacuation routes, and public facilities. By involving the community at every stage, this map is expected to increase community participation in village management and support information transparency. The results of this activity are not only useful as a geographic documentation tool but also as a catalyst for inclusive, sustainable, and data-based community development.Keywords: Interactive regional map, sustainable development, Sambilegi Lor, Maguwoharjo.
PEMBERDAYAAN KELOMPOK TANI CATURHARJO MELALUI TRANSFER TEKNOLOGI SMART FARMING GREENHOUSE SEBAGAI PERCONTOHAN BUDIDAYA MELON Kurniawati, Mukasi Wahyu; Kiswiranti, Desi; Hilal, Raden Fatchul
Jurnal Abdi Insani Vol 13 No 1 (2026): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v13i1.3496

Abstract

The Ngudi Mulyo Farmers Group in Caturharjo, Sleman, faces challenges in horticultural cultivation due to conventional methods. The main problems are the wasteful water consumption of manual irrigation (20-25 L/plant) and the high risk of crop failure (30-70%) due to fungal attacks triggered by uncontrolled humidity. Farmers need to be introduced to more efficient and protected technologies. This community service (PkM) activity aims to empower partners by transferring smart farming greenhouse technology packages as a pilot project. The main objective is to provide farmers with experience growing crops using efficient, pest-free technology that produces maximum yields in a controlled environment. The method used is Participatory Action Research (PAR), involving 20 active farmers in five stages: (1) Socialization and FGD, (2) Technical training, (3) Implementation and installation of technology, (4) Intensive mentoring, and (5) Program evaluation. The core activity is the installation of a 5x10 meter pilot greenhouse with 99 melon plants, equipped with an innovative drip irrigation system integrated with solar panels. Results: This program successfully implemented one pilot smart farming greenhouse unit that is 100% operational. The innovative solar-powered drip irrigation and automatic fertilization system has proven to be successful and functioning well. Partners have completed one melon planting cycle (3 months) under intensive mentoring, thus gaining direct experience in operating precision cultivation technology that is water efficient and pest-free. This pilot program has successfully transferred integrated smart farming technology. Partner farmers now have experience and a technology prototype for efficient and protected cultivation, which is expected to be replicated on a larger scale based on the pilot harvest results.
Co-Authors - Sugianto - Sutikno Dewa Gede Eka Setiawan Dina Tania Dzakiya, Nurul Fatchul Hilal, Raden H Kirbani H Kirbani, H Hanani, Prita Hidayah, Radhitya Adzan Hidayah, Radhtya Adzan Jayawarsa, A.A. Ketut M. Jamaluddin Muchlis Muchlis Mukasi Wahyu Kurniawati Mulyaningsih, Sri N. Hindarto Nur W.A.A.T. Heriyadi Prima, Anka Putong, Rahel Siregar, Sepridawati