argillaceous


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Related to argillaceous: Argillaceous sandstone, arenaceous

argillaceous

[‚är·jə′lā·shəs]
(geology)
Of rocks or sediments made of or largely composed of clay-size particles or clay minerals.

argillaceous

Composed primarily of clay or shale; clayey.
References in periodicals archive ?
The soil of the hills west and east of the banks in the Mures Couloir are mainly brown eumesobasic soils and brown illuvial argillaceous soils, which can be found in standard formats on the wide flat peaks and in various stages of erosion on the slopes, where they are frequently combined with regosols and even erodisols, often anthropically modified by means of earthwork and fertilisation.
The argillaceous siltstone is selected from the Zhonghuacun reservoir (E104[degrees] 32'56", N29[degrees] 15'8"), locating at Zhonghuacun, Gongjing District, Zigong City, Sichuan Province, China (as shown in Figure 1).
Argillaceous rocks--the raw material for the production of autoclaved aerated concrete.
Lithologically the allochthonous rocks are mostly composed of sandstone, siltstone, greensand, siliceous mudstone, argillaceous micritic limestone and rare coal measures along with dispersed organic matter.
The dolomitic part of K1 is characterized to be mudstone, mudstone to packstone, beige, moderately hard to hard, crystalline to cryptocrystalline, have occasional pelloids, pebbles and shell fragments, have local mudcracks in mudstone, slightly argillaceous in parts, have thin layers of anhydrite and o have good to fair vuggy and intercrystalline porosity.
This cycle was completed with deposition of impure carbonates, argillaceous and thin sandy beds.
API oil lying in Shiranish argillaceous fractured carbonates and the Albian Jawan lagoonal fractured carbonates.
Natural tracer profiles across argillaceous formations; the CLAYTRAC project.