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Punta de Cucabrera

Material name: Cucabrera chert
Synonyms: N/A
Material (geologic): Cretaceous (Gallic, Middle Albian to Lower Cenomanian) chert

Detail of grey chert
Photo: John Rissetto, 2007

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Punta de Cucabrera
Locality: Punta de Cucabrera, Ribamontán al Mar, Cantabria, Spain
Synonyms: N/A
Geographical description: Coastal exposure around 38 m asl.
Topographical map 1:25 000 35-II Noja.
Geological map 1:50 000 35 Santander (1976) 19-4.

Length of identified source area: approx. 75 meters.
Thickness of chert bearing layers: approx. 20 meters.
Type of source: primary.

Geographical co-ordinates: Lat. 43° 29' N
Long. 003° 40' W
(Mapdatum WGS 84)
Co-ordinate precision: The coordinates are given to the nearest minute. If you need more detailed information about this location, please contact the author.
  opaque chert
Photo: John Rissetto, 2007
Dense, opaque chert from the Punta de Cucabrera.
Sample description: Host Rock according to the 1:50 000 map from the Instituto Geologico Y Minero de España (IGME) (Spanish - English)
C 2-1, s, 16-21 - Arenas y areniscas - Sands and sandstones

Chert quality: medium.
Form of nodules: amorphous nodules.
Maximum dimensions of nodules: 25 cm.
Fracture pattern: conchoidal with fractures along longitudinal planes.


Last modified on:
December 13, 2007
Contents primarily by:
John Rissetto
Comments to: