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Block diagram illustrating relationships between shelf, slope and trough sequences in the Lower Palaeozoic Franklinian Basin of North Greenland. The schematic fence diagram covers a region of c. 700 km east–west and c. 200 km north–south. Shelf stages (
S
) and trough stages (
T
) are divided into time intervals:
1:
late Proterozoicn – Early Cambrian;
2:
Early Cambrian;
3:
Early Cambrian;
4:
Late Early Cambrian – Middle Ordovician;
5:
Middle Ordovician Early Silurian;
6:
Early Silurian; and
7:
later Silurian.
Units on the map: Portfjeld and Buen Formations
(25)
– stages 2–3 S; Brønlund Fjord, Tavsen Iskappe, Ryder Gletscher and Morris Bugt Groups and Petermann Halvø and Ymer Gletscher Formations
(23)
– stages 4–5 S; Washington Land Group exclusive above mentioned formations
(21)
– stages 6–7 S; Skagen, Paradisfjeld and Polkorridoren Groups
(26)
– stages 1, 2–3 T; Vølvedal and Amundsen Land Groups
(24)
– stages 4–5 T; Peary Land Group
(22)
– stages 6–7 T.
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