Source rock characterization of mesozoic to cenozoic organic matter rich marls and shales of the Eratosthenes Seamount, Eastern Mediterranean Sea | Oil & Gas Science and Technology

Dynamics of sedimentary basins and underlying lithosphere at plate boundaries: The Eastern Mediterranean

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Table 8

Various biomarker ratios from GC-MS analysis. [–]: not determined.

		Steranes						Hopanes
		ßααS + ßααR Steranes %			C₂₉ Steranes
Sample	Age	C₂₇	C₂₈	C₂₉	ααα-20S/(20S + 20R)	Regular-αßß/(ααα+αßß)	Steranes/Hopanes	T _s/(T _s + T _m)	C₃₀ Norhopane/Hopane	Tricyclic terpanes C26/C25	C31R/C30 Hopane
15/892	Me.	41	30	29	0.34	0.50	0.61	0.08	0.80	0.13	0.39
15/864	B-P	31	33	36	0.14	0.33	0.19	0.33	0.24	0.90	0.28
15/867	B-P	29	30	41	0.05	0.37	0.47	0.25	0.30	0.95	0.32
15/872	B-P	20	46	35	0.14	0.36	0.20	0.29	0.24	0.70	1.42
15/890	Y-L	29	24	47	0.03	0.08	1.36	0.25	0.42	0.68	0.32
15/899	T-C	53	35	12	0.22	0.43	1.63	–	0.56	–	–
15/902	T-C	38	35	27	0.24	0.42	1.00	0.50	0.50	–	0.61
15/903	T-C	38	40	22	0.16	0.38	0.76	0.41	0.48	–	0.68
15/906	T-C	37	39	24	0.24	0.43	0.78	0.43	0.47	–	0.44

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