Hecla Hook Group

Geology

Formations: unnamed (2), Gråkallen series (1), Nigerbreen Limestone (3), Rasstupet Limestone (1), Rasstupet Limestones (1), Sidanovfjellet series (2), Sjdanovfjellet Limestones (2), Tsjebysjovfjellet Limestone (2), Tsjebysjovfjellet Limestones (6)

Lithologies: "limestone" (20)

Paleoenvironments: marine indet. (20)

Age range: Early/Lower Ordovician or 485.40000 to 470.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Ordovician485.4 - 470.0Svalbard and Jan Mayen (212584 212585 212586 212587 212588 212589 212590 212591 212592 212593 212594 212595 212596 212597 212598 212926 212927 212928 212929 212930)