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Playa de Galizano

Material name: Galizano flint
Synonyms: N/A
Material (geologic): Late Cretaceous (Middle-Late Cenomanian) chert

Detail of Cretaceous chert
Photo: John Rissetto, 2007

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Playa de Galizano
Locality: Playa de Galizano, Cantabria, Spain
Synonyms: N/A
Geographical description: Coastal exposure, around 13 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. 500 meters.
Thickness of chert bearing layers: approx. 25 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.
  block of chert
Photo: John Rissetto, 2007
Piece of opaque chert.
Opaque chert
Photo: John Rissetto, 2007
Piece with numerous inclusions.
  Galizoano chert
Photo: John Rissetto, 2007
Sample description: Host Rock according to the 1:50 000 map from the Instituto Geologico Y Minero de España (IGME) (Spanish - English)
C 2-3, 21 - Calcarenitas - Calcarenites

Chert quality: medium.
Form of nodules: amorphous.
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: