Published

2019-04-01

Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China

Análisis del proceso hidrotermal del carbonato Ordovícico en el área de Tadong, Xinjiang, China

DOI:

https://doi.org/10.15446/esrj.v23n2.80525

Keywords:

Tarim basin, Tadong area, carbonate, hydrothermal process, hydrothermal dolomite (en)
Cuenca del Tarim, área de Tadong, carbonato, proceso hidrotermal, dolomita hidrotermica. (es)

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Authors

  • Wancang Tan Northeast Petroleum University - College of Earth Science
  • Yuanlin Meng Northeast Petroleum University - College of Earth Science
  • Zihui Feng The Exploration & Development Institute of Daqing Oil field Ltd.
  • Qi'an Meng The Exploration & Development Institute of Daqing Oil field Ltd.
  • Qiang Li The Exploration & Development Institute of Daqing Oil field Ltd.
  • Xiandong Wang The Exploration & Development Institute of Daqing Oil field Ltd.
  • Guorong Li Chengdu University of Technology - College of Energy Resources
  • Yaguang Li The Exploration & Development Institute of Daqing Oil field Ltd.

Hydrothermal activity played an important part in the formation of the Ordovician dolostone reservoirs in Tadong area (eastern Tarim Basin). By applying the technologies of thin rock section microscopic identification, cathodoluminescence analysis, carbon and oxygen isotope analysis, trace element, rare earth element analysis, among others, the mineralogical characteristics and geochemical characteristics of the hydrothermal process are studied. It can have seen that the Ordovician hydrothermal process has represented by dolomite in various forms in the aspect of petrology and mineralogy. It is mainly composed of medium-megacryst crystalline dirty dolomite and powder-megacryst crystalline cleaner dolomite. The geochemical characteristics are the hydrothermal origin, medium-megacryst crystalline dirty dolomite with lower δ18O value, high Mn-Fe content, and positive Eu anomaly. The powder-megacryst crystalline has cleaner dolomite, with higher δ18O value, the Mn content low, and the negative Eu anomaly. Provide a reference for the Ordovician carbonate in Tadong area oil and gas exploration in the study.

La actividad hidrotermal desempeñó un papel importante en la formación de los depósitos de roca dolomítica durante
el período del Ordovícico en el área de Tadong (cuenca oriental de Tarim). Al aplicar las tecnologías de identificación
microscópica con pruebas de láminas delgadas, análisis de catodoluminiscencia, análisis de isótopos de carbono y
oxígeno, análisis de elementos traza, análisis de elementos de tierras raras, entre otros, se estudian las características
mineralógicas y las características geoquímicas del proceso hidrotérmico. Se puede ver que el proceso hidrotermal
del Ordovícico representa diversas formas en el aspecto de petrología y mineralogía de la dolomita. Este se compone
principalmente de megacristales medios de dolomita cristalina sucia y megacristales de polvo de dolomita limpiadora
cristalina. Las características geoquímicas son de origen hidrotermal; los megacristales medios de dolomita cristalizada
sucia tienen un valor inferior a δ18O; el contenido de Mn-Fe es alto mientras que la anomalía Eu es positiva. El
cristalino de megacristales en polvo tiene una dolomita más limpia, con un valor mayor a δ18O, un bajo contenido
de Mn y una anomalía de Eu negativa. Este estudio proporciona una referencia para el carbonato ordovícico en la
exploración de petróleo y gas del área de Tadong.

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How to Cite

APA

Tan, W., Meng, Y., Feng, Z., Meng, Q., Li, Q., Wang, X., Li, G. and Li, Y. (2019). Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China. Earth Sciences Research Journal, 23(2), 127–132. https://doi.org/10.15446/esrj.v23n2.80525

ACM

[1]
Tan, W., Meng, Y., Feng, Z., Meng, Q., Li, Q., Wang, X., Li, G. and Li, Y. 2019. Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China. Earth Sciences Research Journal. 23, 2 (Apr. 2019), 127–132. DOI:https://doi.org/10.15446/esrj.v23n2.80525.

ACS

(1)
Tan, W.; Meng, Y.; Feng, Z.; Meng, Q.; Li, Q.; Wang, X.; Li, G.; Li, Y. Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China. Earth sci. res. j. 2019, 23, 127-132.

ABNT

TAN, W.; MENG, Y.; FENG, Z.; MENG, Q.; LI, Q.; WANG, X.; LI, G.; LI, Y. Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China. Earth Sciences Research Journal, [S. l.], v. 23, n. 2, p. 127–132, 2019. DOI: 10.15446/esrj.v23n2.80525. Disponível em: https://revistas.unal.edu.co/index.php/esrj/article/view/80525. Acesso em: 19 jul. 2024.

Chicago

Tan, Wancang, Yuanlin Meng, Zihui Feng, Qi’an Meng, Qiang Li, Xiandong Wang, Guorong Li, and Yaguang Li. 2019. “Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China”. Earth Sciences Research Journal 23 (2):127-32. https://doi.org/10.15446/esrj.v23n2.80525.

Harvard

Tan, W., Meng, Y., Feng, Z., Meng, Q., Li, Q., Wang, X., Li, G. and Li, Y. (2019) “Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China”, Earth Sciences Research Journal, 23(2), pp. 127–132. doi: 10.15446/esrj.v23n2.80525.

IEEE

[1]
W. Tan, “Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China”, Earth sci. res. j., vol. 23, no. 2, pp. 127–132, Apr. 2019.

MLA

Tan, W., Y. Meng, Z. Feng, Q. Meng, Q. Li, X. Wang, G. Li, and Y. Li. “Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China”. Earth Sciences Research Journal, vol. 23, no. 2, Apr. 2019, pp. 127-32, doi:10.15446/esrj.v23n2.80525.

Turabian

Tan, Wancang, Yuanlin Meng, Zihui Feng, Qi’an Meng, Qiang Li, Xiandong Wang, Guorong Li, and Yaguang Li. “Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China”. Earth Sciences Research Journal 23, no. 2 (April 1, 2019): 127–132. Accessed July 19, 2024. https://revistas.unal.edu.co/index.php/esrj/article/view/80525.

Vancouver

1.
Tan W, Meng Y, Feng Z, Meng Q, Li Q, Wang X, Li G, Li Y. Analysis of the Ordovician Carbonate Hydrothermal Process in Tadong Area, Xinjiang, China. Earth sci. res. j. [Internet]. 2019 Apr. 1 [cited 2024 Jul. 19];23(2):127-32. Available from: https://revistas.unal.edu.co/index.php/esrj/article/view/80525

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