File:C605-Figure-02.jpg: Difference between revisions

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|File name=C605-Figure-02.jpg
|File name=C605-Figure-02.jpg
|image_no=Figure 2
|image_no=Figure 2
|caption=Correlation chart showing position of key units within the Pennsylvanian Subsystem. Global and provincial stage boundaries and ages in millions of years (Ma) are from Gradstein et al. (2012)
|caption=Correlation chart showing the positions of key units within the Pennsylvanian Subsystem. Global and provincial stage boundaries and ages in millions of years (Ma) are after Gradstein et al. (2012)<ref>Gradstein, F.M., J.G. Ogg, M.D. Schmitz, and G.M. Ogg, 2012, The geologic time scale 2012, 1st ed.: Amsterdam, Elsevier, 1,144 p.</ref>.
|references=Gradstein, F.M., J.G. Ogg, M.D. Schmitz, and G.M. Ogg, 2012, The geologic time scale 2012, 1st ed.: Amsterdam, Elsevier, 1,144 p.
|references=Gradstein, F.M., J.G. Ogg, M.D. Schmitz, and G.M. Ogg, 2012, The geologic time scale 2012, 1st ed.: Amsterdam, Elsevier, 1,144 p.
|page1=Introduction
|page1=Introduction

Latest revision as of 16:28, 22 August 2023

Figure 2 Correlation chart showing the positions of key units within the Pennsylvanian Subsystem. Global and provincial stage boundaries and ages in millions of years (Ma) are after Gradstein et al. (2012)[1].






  1. Gradstein, F.M., J.G. Ogg, M.D. Schmitz, and G.M. Ogg, 2012, The geologic time scale 2012, 1st ed.: Amsterdam, Elsevier, 1,144 p.

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