Multiple Controls on the Accumulation of Organic-Rich Sediments in the Besa River Formation of Liard Basin, British Columbia, Canada

Table 1

Chemostratigraphic units with the status of TOC, paleoproductivity, redox condition, and terrigenous influx.

Chemostratigraphic units	Interval (m)			TOC	Paleoproductivity	Redox condition	Terrigenous influx
	A-038-B/94-N-08	B-023-K/094-O-05	B-003-K/94-O-12	(wt.%)	Ex-SiO2
I	4059–4075	3778–3789	4530–4563	<1	Low	Oxic	High
II	4047–4059	3763–3778	4470–4530	1~5	High	Anoxic	Low
III	3992–4047	3710–3763	4348–4470	>5	High	Euxinic	Low
IV	3960–3992	3690.5–3710	4311–4348	1~5	High	Euxinic	Low
V	3907–3960	3629–3690.5	4277–4311	1~5	Moderate	Anoxic	Moderate