Geochemical Characterization and Thermal Maturation of Cerrejón Formation: Implications for the Petroleum System in the Ranchería Sub-Basin, Colombia

Cruz-Ceballos, Luis Felipe; García-González, Mario; Cruz-Guevara, Luis Enrique; Avendaño-Sánchez, Gladys Marcela

doi:10.3390/geosciences10070258

Cited by 7 publications

(2 citation statements)

References 23 publications

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“…Non-spherical, closely packed polyframboidal pyrite was observed, which is affirmed by the multiple occurrences of Fe-elemental contents on the EDX result. The presence of the polyframboidal pyrites suggests an anaerobic condition that favors organic matter degradation and thermal maturation as burial depth increases [62]. The thermal maturity of the organic matter is further supported by the presence of fibrous chlorite and illite minerals (Figure 6d), which are index minerals for high-diagenetic temperature zone and quality hydrocarbon reservoirs [63].…”

Section: Resultsmentioning

confidence: 89%

Methanogenesis Potentials: Insights from Mineralogical Diagenesis, SEM and FTIR Features of the Permian Mikambeni Shale of the Tuli Basin, Limpopo Province of South Africa

et al. 2021

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Carbonaceous shale is more topical than ever before due to the associated unconventional resources of methane. The use of FTIR, SEM-EDX, and mineralogical analyses has demonstrated a promising approach to assess methanogenesis potentials in a more rapid and reliable manner for preliminary prospecting. Representative core samples from the borehole that penetrated the carbonaceous Mikambeni shale Formations were investigated for methanogenesis potentials. The absorption band stretches from 1650 cm−1 to 1220 cm−1 in wavenumber, corresponding to C-O stretching and OH deformation of acetic and phenolic groups in all studied samples, thereby suggesting biogenic methanogenesis. The CO2 was produced by decarboxylation of organic matter around 2000 cm−1 and 2300 cm−1 and served as a source of the carboxylic acid that dissolved the feldspar. This dissolution process tended to release K+ ions, which facilitated the illitization of the smectite minerals. The SEM-EDX spectroscopy depicted a polyframboidal pyrite structure, which indicated a sulfate reduction of pyrite minerals resulting from microbial activities in an anoxic milieu and causes an increase in alkalinity medium that favors precipitation of dolomite in the presence of Ca and Mg as burial depth increases. The contact diagenesis from the proximity of Sagole geothermal spring via Tshipise fault is suggested to have enhanced the transformation of smectite to chlorite via a mixed layer corrensite in a solid-state gradual replacement reaction pathway. The presence of diagenetic chlorite mineral is characteristic of low-grade metamorphism or high diagenetic zone at a temperature around 200 °C to 230 °C and corresponds to thermal breakdown of kerogen to methane at strong absorption band around 2850 cm−1 and 3000 cm−1, indicating thermal methanogenesis.

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Section: Resultsmentioning

confidence: 89%

Methanogenesis Potentials: Insights from Mineralogical Diagenesis, SEM and FTIR Features of the Permian Mikambeni Shale of the Tuli Basin, Limpopo Province of South Africa

et al. 2021

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“…Cruz-Ceballos et al (2020) [5] performed a geochemical characterization and thermal maturation of the Cerrejón Formation, allowing implications for the petroleum system in the Ranchería Sub-Basin in Colombia. The geochemical characteristics of the Cerrejón Formation were classified as a source rock, particularly in the central area of the sub-basin.…”

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confidence: 99%

Tectono-Sedimentary Evolution of Cenozoic Basins

Martı́n-Martı́n

2021

Geosciences

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Source rock characterisation and petroleum system modelling: a review of marginal marine deposit in the Permo-Triassic Sydney Basin, Australia

Garba,

Mustapha

2024

J. Sediment. Environ.

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The marginal marine deposits signature is evident in the Permo-Triassic basins, the Sydney Basin is not an exception, and has not been subjected to source rock characterisation and petroleum system modelling designed at determining the potentials of hydrocarbon resources and its prospectivity. The economic potentials of the marginal marine environment are great, with enormous information in the literature that deals with the development of these deposits. The wide use of major, trace, and rare earth elements for basin analysis studies to unravel the geochemical signatures of sedimentary succession using the discriminatory diagrams fall short of addressing discriminate sediments from different geotectonic environments consequently a lag in source rock characterisation and petroleum system model of the marginal marine deposits. This review provides new insight into source rock, sediment supply, and depositional patterns of the marginal marine deposits in the Permo-Triassic Sydney Basin and its implication to the dearth in petroleum prospectivity.

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Geochemical Characterization and Thermal Maturation of Cerrejón Formation: Implications for the Petroleum System in the Ranchería Sub-Basin, Colombia

Cited by 7 publications

References 23 publications

Methanogenesis Potentials: Insights from Mineralogical Diagenesis, SEM and FTIR Features of the Permian Mikambeni Shale of the Tuli Basin, Limpopo Province of South Africa

Methanogenesis Potentials: Insights from Mineralogical Diagenesis, SEM and FTIR Features of the Permian Mikambeni Shale of the Tuli Basin, Limpopo Province of South Africa

Tectono-Sedimentary Evolution of Cenozoic Basins

Source rock characterisation and petroleum system modelling: a review of marginal marine deposit in the Permo-Triassic Sydney Basin, Australia

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