Identifying Correlation of Coal Seams in the Tien Hai Area, Northern Vietnam by Using Multivariate Statistic Methods

• Autorzy: Khuong The Hung , Nguyen Phuong , Nguyen Thi Cuc , Pham Nhu Sang , Nguyen Danh Tuyen

Identyfikatory

DOI

10.29227/IM-2021-02-

• Języki publikacji: EN

Abstrakty

EN

In northern Vietnam, the Tien Hai area is considered a high potential area of coal deposits. Two hundred fifty-six geochemical coal samples of 13 cores in the Tien Hai area investigate coal seams and coal deposits to identify the correlation of coal seams. According to the statistical method and cluster analysis of geochemical samples, the results indicate that the Mg, V, As, Ca, Zn, Cr, Co, K, Na, Sr, Fe, Ge, Re, U, Mo, Th, and Ga elements are good indicator elements of the major and trace elements in coal. Most of them comply with the normal or lognormal distribution rules. Besides, the Yb, Sc, Ho, Er, Tm, Lu, Y, Tb, Pr, Dy, and Sm elements are also good indicator elements for rare earth elements in the region. Therefore, the selected elements are used to identify the correlation of the coal seams in the Tien Hai area. Based on the similarity degree between studied objects, the results of grouping boreholes in coal seams show that the correlation of coal seam TV2-11 is suitable and acceptable, the coal seams TV3-6a, TV3- 6b, and TV3-6c can be grouped into the coal seam TV3-6. These results present that the models can help study geochemical coal samples and identify the correlation of the coal seams in the Tien Hai area. Additionally, the statistical analysis shows a remarkable degree to determine the correlation of the coal seams. Geochemical coal data can help to evaluate the indicator elements of the major, trace elements, and rare earth elements in coal seams and coal rashing of adjoining and pillar rocks in the Tien Hai area, northern Vietnam.

Słowa kluczowe

EN

identifying correlation of coal seams; multivariate statistic methods; Tien Hai area; Northern Vietnam

PL

pokłady węgla; północny Wietnam; rejon Tien Hai

• Wydawca: Polskie Towarzystwo Przeróbki Kopalin
• Czasopismo: Inżynieria Mineralna
• Rocznik: 2021
• Tom: no. 2
• Strony: 129--148
• Opis fizyczny: Bibliogr. 26 poz., rys., tab., zdj.

Twórcy

autor

Khuong The Hung

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

autor

Nguyen Phuong

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

autor

Nguyen Thi Cuc

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

autor

Pham Nhu Sang

• Hanoi University of Mining and Geology, 18 Vien street, Hanoi, Vietnam

autor

Nguyen Danh Tuyen

• Vinacomin - Vietbac Geology Joint Stock Company, 30B Doan Thi Diem, Hanoi, Vietnam

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).