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・ Argile a lignite d'Epernay
・ Argile de Villerville
・ Argile Smith
・ Argiles a Lopha gregarea
・ Argiles d'Ecqueville
・ Argiles d'lignite du Soissonnais
・ Argiles d'Octeville
・ Argiles de Chatillon Formation
・ Argiles de Châtillon
・ Argiles de l'Irhazer
・ Argiles de Montaubert
・ Argiles du Gault
・ Argiles Ostréennes
・ Argiles à Plicatules
・ Argiletum
Argillaceous minerals
・ Argillaceous schist
・ Argillana
・ Argillic alteration
・ Argillichthys
・ Argilliers
・ Argillipedoturbation
・ Argillite
・ Argillite, Kentucky
・ Argillières
・ Argilloberyx
・ Argillochelys
・ Argillophora
・ Argilly
・ Argiloborus


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Argillaceous minerals : ウィキペディア英語版
Argillaceous minerals
Argillaceous minerals may appear silvery upon optical reflection and are minerals containing substantial amounts of clay-like components ((ギリシア語:ἄργιλλος) = clay). Argillaceous components are fine-grained (less than 2 µm) aluminosilicates, and more particularly clay minerals such as kaolinite, montmorillonite-smectite, illite, and chlorite. Claystone and shales are thus predominantly argillaceous.
The adjective "argillaceous" is also used to define rocks in which clay minerals are a secondary but significant component. For example, ''argillaceous limestones'' are limestones consisting predominantly of calcium carbonate, but including 10-40% of clay minerals: such limestones, when soft, are often called marls. Similarly, ''argillaceous sandstones'' are sandstones consisting primarily of quartz grains, with the interstitial spaces filled with clay minerals.
==See also==

*Clay minerals

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