GEOLOGI DAN HUBUNGAN SEDIMEN PEMBAWA LAPISAN BATUBARA TERHADAP KUALITAS “SEAM C DAN D” FORMASI MUARA ENIM, DAERAH TANJUNG TELANG, MERAPI BARAT, LAHAT, SUMATERA SELATAN

ELLYANI, NATAYA YUSITA (2025) GEOLOGI DAN HUBUNGAN SEDIMEN PEMBAWA LAPISAN BATUBARA TERHADAP KUALITAS “SEAM C DAN D” FORMASI MUARA ENIM, DAERAH TANJUNG TELANG, MERAPI BARAT, LAHAT, SUMATERA SELATAN. Skripsi thesis, UPN Veteran Yogyakarta.

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Abstract

ABSTRAK
GEOLOGI DAN HUBUNGAN SEDIMEN PEMBAWA LAPISAN
BATUBARA TERHADAP KUALITAS “SEAM C DAN D”
FORMASI MUARA ENIM, DAERAH TANJUNG TELANG,
MERAPI BARAT, LAHAT, SUMATERA SELATAN
Oleh
Nataya Yusita Ellyani
NIM: 111190029
(Program Studi Sarjana Teknik Geologi)
Penelitian ini berlokasi di Tanjung Telang, Merapi Barat, Kabupaten Lahat,
Provinsi Sumatera Selatan. Daerah ini termasuk dalam Formasi Muara Enim yang
berkembang luas pada lingkungan pengendapan deltaik dan dikenal memiliki
potensi batubara ekonomis. Tujuan penelitian adalah mengkaji geologi serta
hubungan antara sedimen pembawa batubara dengan kualitas batubara seam C dan
D. Geomorfologi wilayah dibagi menjadi bentuk asal denudasional dan
antropogenik. Analisis dilakukan dengan menggunakan data permukaan dan bawah
permukaan, yaitu log gamma ray dan log density untuk interpretasi litologi, analisis
elektrofasies untuk penentuan fasies dan lingkungan pengendapan, serta data
analisis proksimat batubara. Stratigrafi daerah terdiri atas Satuan Batulempung
Muara Enim (Miosen Tengah–Akhir) dan Endapan Aluvial. Lingkungan
pengendapan dibagi menjadi upper dan lower delta plain, yang berpengaruh
terhadap kandungan sulfur batubara. Seam C terbentuk pada lower delta plain
dengan kandungan sulfur tinggi 1,56% dan abu 3,45%, sedangkan seam D pada
upper delta plain memiliki sulfur rendah 0,45% dan abu 1,73%. Berdasarkan
kualitasnya, seam C tergolong subbituminous B, dan seam D termasuk
subbituminous A.
Kata kunci: Batubara, Sedimen Pembawa, Lingkungan Pengendapan, Formasi
Muara Enim, Kualitas Batubara
vii
ABSTRACT
GEOLOGY AND THE RELATIONSHIP BETWEEN COAL
BEARING SEDIMENTS AND THE QUALITY OF “SEAM C AND
D” MUARA ENIM FORMATION, TANJUNG TELANG AREA,
WEST MERAPI, LAHAT, SOUTH SUMATERA
By
Nataya Yusita Ellyani
Student ID: 111190029
(Undergraduate Program in Geological Engineering)
This research was conducted in the Tanjung Telang area, Merapi Barat District,
Lahat Regency, South Sumatra Province. The area is part of the Muara Enim
Formation, which extensively developed in a deltaic depositional environment and
is known for its economic coal potential. The aim of this study is to examine the
geology and the relationship between coal-bearing sediments and the coal quality
of seam C and seam D. The geomorphology of the study area is classified into
denudational and anthropogenic origin landforms. The analysis was carried out
using both surface and subsurface data, including gamma ray and density logs for
subsurface lithological interpretation, electrofacies analysis to determine facies
and depositional environments, and coal proximate analysis data. The stratigraphy
of the area consists of the Muara Enim Claystone Unit (Middle to Late Miocene)
and Alluvial Deposits. The depositional environment is divided into upper and
lower delta plain systems, which influence the sulfur content of the coal. Seam C,
deposited in the lower delta plain, has a high sulfur content of 1.56% and ash
content of 3.45%, while seam D, formed in the upper delta plain, has a lower sulfur
content of 0.45% and ash content of 1.73%. Based on its quality, seam C is
classified as sub-bituminous B, and seam D as sub-bituminous A.
Keywords: Coal, Coal-Bearing Sediments, Depositional Environment, Muara
Enim Formation, Coal Quality
viii

Item Type:	Tugas Akhir (Skripsi)
Uncontrolled Keywords:	Coal, Coal-Bearing Sediments, Depositional Environment, Muara Enim Formation, Coal Quality
Subjek:	Q Science > QE Geology
Divisions:	Fakultas Teknologi Mineral dan Energi > (S1) Teknik Geologi
Depositing User:	Eko Yuli
Date Deposited:	11 Nov 2025 02:19
Last Modified:	11 Nov 2025 02:19
URI:	http://eprints.upnyk.ac.id/id/eprint/45367

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