Hydrocarbon Exploration Potential of the Jurassic Chaoshan Subbasin in Northern South China Sea: Evidence from the Latest Seismic and Outcrop Data

Table 1

Geochemical characteristics of J3, J2, and J1 source rocks in Chaoshan Subbasin.

Horizon	(mg/g)	(mg/g)	TOC (mg/g)	HI (mg/g)
J3	3.77 (33)	425 (33)	0.87 (33)	239 (33)
	0.4~5.46	431~489	0.18~2.15	100~427
J2	5.76 (26)	446 (26)	2.37 (26)	257 (26)	: Ave.
	0.2~26.77	426~496	1~4.87	19~499	: Num.
J1	5.77 (21)	455 (21)	1.85 (21)	311 (21)	: Min.
	0.25~9.6	428~478	0.49~6.49	0.11~469	: Max.