57Fe Mössbauer spectroscopy study of organic rich sediments (source rocks) from test well CT-1, Chinnewala structure of Jaisalmer basin, India

R.P. Tripathi; Beena Bhatia; R. Sharma; K.R. Patel; S.S. Meena; Girish Ganwani; S.C. Mathur

doi:10.1016/j.gsf.2015.09.007

Geoscience Frontiers > 2016 > 7(5): 793-798. > DOI: 10.1016/j.gsf.2015.09.007

R.P. Tripathi, Beena Bhatia, R. Sharma, K.R. Patel, S.S. Meena, Girish Ganwani, S.C. Mathur. 57Fe Mössbauer spectroscopy study of organic rich sediments (source rocks) from test well CT-1, Chinnewala structure of Jaisalmer basin, India[J]. Geoscience Frontiers, 2016, 7(5): 793-798. DOI: 10.1016/j.gsf.2015.09.007

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57Fe Mössbauer spectroscopy study of organic rich sediments (source rocks) from test well CT-1, Chinnewala structure of Jaisalmer basin, India

a.Department of Physics, Jai Narain Vyas University, Jodhpur 342 005, India;
b.Department of Geology, Jai Narain Vyas University, Jodhpur 342 005, India

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One of the author RPT is grateful to Oil India Limited for providing samples from drilled well CT-1 located in Chinnewala Tibba structure of Jaisalmer Petroliferous basin India and also providing detailed information about stratigraphy and lithology of this basin.

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Received Date: June 16, 2015
Revised Date: September 04, 2015
Accepted Date: September 15, 2015
Available Online: June 05, 2023
Published Date: August 31, 2016

Abstract

Abstract

57Fe Mössbauer spectroscopic study was carried out on the organic rich sedimentary samples collected at different depth intervals from newly drilled test well Chinnewala Tibba-1 (CT-1) located in Jaisalmer Petroliferous basin India. It is found that iron is mainly distributed in high spin Fe3+ and Fe2+ state in clay minerals. The plot of Fe2+/(Fe2+ + Fe3+) indicates the presence of poor redox conditions in the samples. Results obtained are also compared with those already reported in the literature. This comparison shows that there may exist a correlation between prospecting of the basin, the redox environment in sediments and the nature of iron bearing minerals distributed in the sedimentary sequence.