文章基本信息

标题：ELECTROFACIES AND SEDIMENTARY STRUCTURE ANALYSIS FOR THE DETERMINATING COAL DEPOSITIONAL IN PIT J, SANGATTA COALFIELD USING GEOPHYSICAL WELL LOGS
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作者：IRFAN MARWANZA ; CHAIRUL NAS
期刊名称：IMPACT : International Journal of Research in Applied, Natural and Social Sciences
印刷版ISSN：2347-4580
电子版ISSN：2321-8851
出版年度：2017
卷号：5
期号：5
页码：91-102
语种：English
出版社：IMPACT Journals
摘要：The identification of various deposition environments is indicated by all components of the deposition system and the location of the coal seams in the deposition environment based on the study of sedimentary environments, among others, supported by data from outcrop profiles (sedimentary structures), drilling, and geophysical logs. The research location in Upper Kutai Basin, which occupies the location of coal mining concession of PT Kaltim Prima Coal, precisely PIT J, with Balikpapan formation as a coal bearing formation. Some of coal observed are SE seam, NM seam and Sangatta seam. Electrolysis analysis results, this logging result is dominated by funneling and bell shape. This form is interpreted as a precipitation environment in the form of delta plain. The results of the lithological analysis (sedimentary structure) consisting of sandstone and rock / limestone constellations are characteristic of fluvial environmental up to upper delta plain. Based on research results, it can be interpreted depositional environment of coal in the area of research is the fluvio deltaic.