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Ettingen Chert

Material name: Ettingen Chert
Synonyms: Affolter Type 154
Material (geologic): Upper Jurassic (Oxfordian/"Sequanian") chert

Close-up of banded chert
Foto: Matthias Rummer, 2007

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General characteristics

(In part adapted from Affolter 2002

Geographical setting: N/A
Material and colour: Large bank of silicified material
Foto: Rengert Elburg, 2003.
Other information: N/A
Knapping notes: N/A
Archaeological description: N/A

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Locality: Ettingen-Grundmatt, Basel Land, Switzerland
Synonyms: Ettingen/Grundmatt Steinbruch, M 56 (Affolter 2002); FlintSource sample 416.
Geographical description: WhereItIs
Geographical co-ordinates: Lat. 47° 28' 31.0" N
Long. 007° 31' 59.2" E
(Mapdatum WGS 84)
Co-ordinate precision: The coordinates were taken with the usual 12-channel GPS-receiver around the center of the quarry. As this hole is quite a large affair, the precision will be good enough, despite the restricted horizon, to get you to the place.
Other topographical information: HowToGetThere
Additional information: View of the quarry at Grundmatt
Foto: Rengert Elburg, 2003
Visitors information: PlacesToEatAndDrink
Sampling information: N/A
  Ettingen chert
Foto: Matthias Rummer, 2007
Flake of Ettingen chert with less silicified area
length: 51 mm
Banded material
Foto: Matthias Rummer, 2007
Another example of the typical banded chert
size: 57 mm
  Jurassic silex
Foto: Matthias Rummer, 2007
Piece of banded chert, typical for the Northern Jura
size: 47 mm
Gray silex
Foto: Matthias Rummer, 2007
Gray, less silicified and medium-grained chert
size: 56 mm
Sample description: N/A
  Grey chert
Foto: Matthias Rummer, 2007
Piece of fine-grained gray, slightly streaked chert
length: 49 mm
coarse chert
Foto: Matthias Rummer, 2007
White, medium grained chert
length: 46 mm
  Pinkish material
Foto: Matthias Rummer, 2007
Strange pinkish-greenish silification
size: 58 mm


Last modified on:
January 3, 2008
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