alb3842330

Graywacke, New York State

Graywacke (or greywacke) is an old term describing a dark colored gritty sandstone, usually cemented with abundant clay minerals and silica. Graywacke is characterized by a range in constituent grain sizes, but invariably set into a hard, compact matrix. Many graywackes are associated with old formations that have been deeply buried.
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Titre:
Graywacke, New York State
Graywacke (or greywacke) is an old term describing a dark colored gritty sandstone, usually cemented with abundant clay minerals and silica. Graywacke is characterized by a range in constituent grain sizes, but invariably set into a hard, compact matrix. Many graywackes are associated with old formations that have been deeply buried.
Crédit:
Album / Science Source / JOEL AREM
Autorisations:
? Autorisation de modèle: Non - ? Autorisation de propriété: Non
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Taille de l'image:
3774 x 2550 px | 27.5 MB
Taille d'impression:
32.0 x 21.6 cm | 12.6 x 8.5 in (300 dpi)
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