GSSP for the Base of Homerian


Definition:

The base of the Homerian Stage coincides with the base of the Cyrtograptus lundgreni Graptolite Biozone. The GSSP is located along the northern bank of a small stream that feeds the tributary to Sheinton Brook in Whitwell Coppice, 500m north of the hamlet of Homer, UK.


Location:

The GSSP is located along the northern bank of a small stream that feeds the tributary to Sheinton Brook in Whitwell Coppice, 500m north of the hamlet of Homer at SO 6194 0204.
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Sedimentology:

The GSSP lies within the upper half of the Apedale Member of the Coalbrookdale Formation. The GSSP lies within a continuous mudstone sequence.


Primary Markers:

The base of the Homerian Stage coincides with the base of the Cyrtograptus lundgreni Graptolite Biozone.



Other Locations around the World:

See: Holland, C. H. and Bassett, M. G., 1989 (eds.). A global standard for the Silurian System. National Museum of Wales, Geological Series 9, Cardiff.

References:

Bassett, M. G., 1989. The Wenlock Series in the Wenlock Area. In: Holland, C. H. and Bassett, M. G. (eds.). A global standard for the Silurian System. National Museum of Wales, Geological Series 9, p. 51 73, Cardiff.