Also known as Alum Shale, Naersnes, Oslo, Norway

Where: Norway (60.0° N, 11.0° E: paleocoordinates 37.6° S, 15.0° W)

• local area-level geographic resolution

When: Boeckaspis hirsuta trilobite zone, Alum Shale Formation, Tremadoc (486.5 - 477.7 Ma)

• Lowermost Tremadoc

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, black shale and limestone

Size classes: macrofossils, mesofossils

Primary reference: D. L. Bruton, B. D. Erdtmann, and L. Koch. 1982. The Naersnes section, Oslo region, Norway: a candidate for the Cambrian-Ordovician boundary stratotype at the base of the Tremadoc Series. In M. G. Bassett and W. T. Dean (eds.), The Cambrian-Ordovician boundary: sections, fossil distributions, and correlations (3)61-69 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3105: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 25.07.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)