The age of the Middle Ordovician Winneshiek Shale: reply to a critical review by Lindskog & Young (2019) of a paper by Bergström et al. (2018a)

Stig M. Bergström, Birger Schmitz, Huaibao P. Liu, Fredrik Terfelt, Robert M. Mckay

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

2 Citeringar (SciVal)

Sammanfattning

A recent review by Lindskog & Young (2019) of a paper published in Lethaia by Bergström et al. (2018a) contains many errors, misleading statements and unsupported opinions. Their review claims that we did not consider biostratigraphy in our efforts to chemostratigraphically date the Winneshiek Shale. That this is incorrect is shown by the fact that Liu et al. (2017), which contains a two-page review of all fossil evidence that has a bearing on the age of the Winneshiek Shale and was written by Bergström, was cited in Bergström et al. (2018a) and used extensively in our chemostratigraphical age assessment of the unit. Interestingly, recent research provides support for our conclusion regarding the age of the Winneshiek Shale, indicating that at least its upper part is coeval with the Nicholsonograptus fasciculatus Graptolite Zone and the Eoplacognathus pseudoplanus Conodont Zone. In constructing their arguments, Lindskog & Young (2019) provide no alternative interpretations or corrections of scientific value.

Originalspråkengelska
Sidor (från-till)1-4
Antal sidor4
TidskriftLethaia
Volym53
Utgåva1
Tidigt onlinedatum2019 maj 23
DOI
StatusPublished - 2020 jan

Ämnesklassifikation (UKÄ)

  • Geologi

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