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Peña Cabarga

Material name: Peña Cabarga
Synonyms: N/A
Material (geologic): Lower Cretaceous ("Gallic", Aptian-Albian) chert

Macrophoto of Peña Cabarga chert
Photo: John Rissetto, 2007
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Peña Cabarga
Locality: Peña Cabarga, Cantabria, Spain
Synonyms: N/A
Geographical description: Primary source on mountain around 508 m asl
Topographical map 1:25 000 35-III El Astillero.
Geological map 1:50 000 35 Santander (1976) 19-4.

Length of identified source area: approx. 250 meters.
Thickness of chert bearing layers: approx. 15 meters.
Type of source: primary.

Geographical co-ordinates: Lat. 43° 23' N
Long. 003° 47' 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.
  Fine-grained chert
Photo: John Rissetto, 2007
 
Piece of fine-grained chert from Peña Cabarga.
length: 43 mm
Sample description: Host Rock according to the 1:50 000 map from the Instituto Geologico Y Minero de España (IGME) (Spanish - English)
C 0-12, 15-16 - Calizas con Rudistos y Orbitolinas y dolominas - Limestones with Rudists, Orbitolinas, and dolomites

Chert quality: medium.
Form of nodules: amorphous.
Maximum dimensions of nodules: 30 cm.
Fracture pattern: conchoidal with fractures along longitudinal planes.


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