“…Aqueous environment of the black chert deposition was suggested from sedimentary structures such as parallel to cross lamination, stratigraphic relationship with other lithologies such as carbonate, sandstone, shale, volcaniclastics and banded iron‐formation and trace element characteristics (Allwood, Kamber, Walter, Burch, & Kanik, ; Sugahara et al., Sugitani et al., , , , Sugitani, Mimura, Takeuchi, Yamaguchi, et al., , ; Walsh, ). As to the depositional environment of the Farrel Quartzite, Retallack, Krinsley, Fischer, Razink, and Langworthy () claimed that the fossil‐bearing black chert was paleosol. However, the authors examined black chert layer that was not identical to that from which microfossils were originally discovered and overlooked previously presented sedimentary, lithostratigraphic and geochemical features that are consistent with aquatic origin of host black cherts (Sugitani, Van Kranendonk, Oehler, House, & Walter, ).…”