杜迪纳拉河和博卡罗河岩石样品的定量矿物学分析及形貌和热特征研究。

IF 0.3 Q4 CHEMISTRY, MULTIDISCIPLINARY Oriental Journal Of Chemistry Pub Date : 2023-10-30 DOI:10.13005/ojc/390535
Omprakash Mahato, P. K. Srivastava
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引用次数: 0

摘要

在Bokaro煤田西部(Dudhi Nala), Talchir组地层出露较好,主要由泥灰岩、砾岩、砂岩组成,由粉砂岩和页岩组成的浮岩和浊积岩层序。本文介绍了杜迪纳拉河段冰期Talchir沉积物和博卡罗河沉积物的研究。这些沉积物的形态、主要氧化物、微量元素、稀土元素和矿物具有重要的地质意义。这些样品中存在的矿物质也被调查了。从Dudhi Nala采集的样品中SiO2含量丰富(66-68 wt %,而Bokaro河样品中SiO2含量为25-60 wt %)。与SiO2相比,Fe2O3在Bokaro河样品中占主导地位。Dudhi Nala样品富含微量元素,如Ba (1047 ppm)、Rb (219 ppm)、Sr (312 ppm)、Zr (256 ppm)和Pb (65 ppm),而Bokaro河样品则以Cr (140 ppm)、Sc (39 ppm)、V (117 ppm)和Zn (90 ppm)为主。用FESEM/EDX分析了其形态特征,并用FESEM/EDX分析了其元素组成。通过热重分析/差热分析研究了样品的热特性。此外,XRD分析证实方解石和长石是两个研究区样品中共同存在的矿物。
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Quantitative Mineralogical Analysis and Study of Morphology and Thermal Characteristics of Rock Samples of Dudhi Nala and Bokaro River.
Beds of Talchir formation are well exposed in the western part of the Bokaro coalfields (Dudhi Nala) which comprises tillite, conglomerates, sandstones, with dropstones and turbidite sequences comprising siltstones and shales. This work presents the study of glacigenic Talchir sediments of Dudhi Nala section and sediments of Bokaro river. The morphology, major oxides, trace elements, Rare Earth elements and minerals found in these sediments are of great geological importance. The minerals present in these samples have been also investigated. The samples collected from Dudhi Nala are enriched in SiO2 (66-68 wt % compared to 25-60 wt % in the samples of Bokaro river). In contrast to SiO2, Fe2O3 is dominant in the Bokaro river samples. Dudhi Nala samples are rich in trace elements like Ba (1047 ppm), Rb ( 219 ppm), Sr (312 ppm), Zr ( 256 ppm) and Pb (65 ppm), where as Bokaro river samples dominates in Cr (140 ppm), Sc (39 ppm), V (117 ppm) and Zn (90 ppm). FESEM/ EDX analysis was done to study the morphological characteristics and elemental composition were analysed by FESEM/EDX. Thermal characteristics of the samples were studied by TGA/DSC. Further, XRD analysis confirmed that Calcite and feldspar are the common minerals present in the samples of the both the study areas.
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来源期刊
Oriental Journal Of Chemistry
Oriental Journal Of Chemistry CHEMISTRY, MULTIDISCIPLINARY-
自引率
20.00%
发文量
172
期刊介绍: Oriental Journal of Chemistry was started in 1985 with the aim to promote chemistry research. The journal consists of articles which are rigorously peer-reviewed. The journal was indexed in Emerging Science citation index in 2016. The Editorial board member consists of eminent international scientist in all fields of Chemistry. Details of each member and their contact information is mentioned in website. The journal has thorough ethics policies and uses plagiarism detection software(ithenticate) to screen each submission. The journal has recently partnered with publons as a part of making our reviews more transparent. The journal has recently incorporated PlumX for article level matrix. The journal is promoting research on all social and academic platforms mentioned in PlumX guidelines. The journal uses google maps to improve on the geographical distribution of Editorial board members as well as authors.
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