From: Bioturbation of Thalassinoides from the Lower Cambrian Zhushadong Formation of Dengfeng area, Henan Province, North China
Parameters
Anoxic
Oxic
Sources
Suboxic
Oxygen (ml/l)
0–0.2
0.2–2
>2
Tyson and Pearson (1991)
V/Cr
>4.25
2–4.25
<2
Kimura and Watanabe (2001)
Ni/Co
>7
5–7
<5
Jones and Manning (1994)
V/Sc
>9.1
<9.1
Murry et al. (1991)