Asosiy mazmunga o'tish

Stratigraphic Layers

Bed-by-bed descriptions of every section that has stratigraphic data.

#1 Zinzilban kesimi — GSSP

Quyi devon · 416.0–397.0 Ma

  1. 0.0–12.5 m

    Stromatoporoid biostromli massiv kulrang ohaktosh; eng yuqori Pragian.

  2. 12.5–18.0 m

    Brakhiopod parchalari bilan boy krinoidli granystounlar — Pragian–Emsian chegarasi.

  3. 18.0–31.7 m

    Polygnathus dehiscens beradigan to'q rangli argillit ohaktosh — rasmiy GSSP marker qatlami.

  4. 31.7–55.0 m

    Cherty tugunlari bilan qatlamli ohaktosh; bazal Emsian.