Clay minerals form in the presence of water [1] and have been important to life, and many theories of abiogenesis involve them. They are important constituents of soils, and have been useful to humans …

The meaning of ARGILLACEOUS is of, relating to, or containing clay or clay minerals : clayey.

Sep 19, 2025 · argillaceous (comparative more argillaceous, superlative most argillaceous) (chiefly geology) Pertaining to clay; made of, containing, or resembling clay; clayey.

Argillaceous minerals are minerals containing substantial amounts of clay-like components (Greek: ἄργιλλος = clay). Argillaceous components are fine-grained (less than 2 µm) aluminosilicates, and …

Define argillaceous. argillaceous synonyms, argillaceous pronunciation, argillaceous translation, English dictionary definition of argillaceous. or ar·gil·lic adj. Containing, made of, or resembling clay; clayey.

The argillaceous rocks (lutites) include shales, argillites, siltstones, and mudstones. They are the most abundant sedimentary rock type, varying according to different estimates from 44 to 56% of the…

In addition to finely divided detrital matter, argillaceous rocks consist essentially of illite, montmorillonite, kaolinite, gibbsite, and diaspore. Click here to see list of references, authorities, sources and …

Argillites or argillaceous rocks are fine-grained sedimentary rocks composed mainly of clay. There are a variety of silt-sized particles in argillaceous rocks made from lithified muds and oozes.

Argillaceous is an adjective describing materials that are rich in clay particles. It pertains to the composition, specifically those consisting mainly of clay minerals and exhibiting characteristics …

ARGILLACEOUS definition: of the nature of or resembling clay; clayey. See examples of argillaceous used in a sentence.