[Retracted] Use of Geochemical Fossils as Indicators of Thermal Maturation: An Example from the Anambra Basin, Southeastern Nigeria

Table 4

Results and interpretations of geochemical fossils.

Parameters	Values	Remarks
steranes 20S/20S + 20R	0.13–0.27	Immature [46]
diasteranes/; steranes	0.27–1.28	Immature [47]
hopanes βα/αβ	0.32–0.57	Immature [44]
βα/αβ (hopanes)	0.20–0.59	Immature [39]
	0.01–0.19	Immature [39]
	0.17–1.98	Suboxic conditions [46]
homophane Index	and low	Suboxic conditions, high Eh, terrigenous input [45]
Diasterane/reg. sterane	0.33–1.2	Suboxic to oxic conditions [47]