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Related to argillaceous: Argillaceous sandstone, arenaceous


 (är′jə-lā′shəs) or ar·gil·lic (är-jĭl′ĭk)
Containing, made of, or resembling clay; clayey.

[From Latin argillāceus, from argilla, argil; see argil.]


(Geological Science) (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc. Compare arenaceous1, rudaceous


(ˌɑr dʒəˈleɪ ʃəs)

of the nature of or resembling clay; clayey.
[1725–35; < Latin argillāceus <argilla clay]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.argillaceous - resembling or containing clayargillaceous - resembling or containing clay; "argillaceous rocks"
arenaceous, sandlike, sandy - resembling or containing or abounding in sand; or growing in sandy areas; "arenaceous limestone"; "arenaceous grasses"
References in classic literature ?
replied that the soil of Florida, although not equally rich, afforded the best conditions for the moulding and casting of the Columbiad, consisting as it did of sand and argillaceous earth.
Although the beaks and feet of birds are generally quite clean, I can show that earth sometimes adheres to them: in one instance I removed twenty-two grains of dry argillaceous earth from one foot of a partridge, and in this earth there was a pebble quite as large as the seed of a vetch.
This change in the vegetation marks the commencement of the grand calcareo argillaceous deposit, which forms the wide extent of the Pampas, and covers the granitic rocks of Banda Oriental.
In rainy season, the argillaceous material, absorbs water and accelerate the mass movement.
Areas with interpreted high resistivities appear related to thicker sections of greywacke interbedded with the argillaceous phyllite host.
acuruensis, which is restricted to Bahia, Alagoas and Pernambuco (Irwin & Barneby, 1982), and found associated with areas of cerrado and caatinga on argillaceous and very rocky soils.
It is argillaceous stone and is special kind of clay which is rich in iron.
The bluff is calcareous rock, and a sandy and argillaceous marl, with comparatively pure limestone.
It is formed of a combination of marl and Pliocene sands (Pannonian) that covers argillaceous marl and Sarmatic sands containing sandstone, micro-conglomerates and volcanic tufa, which can be rarely seen on the slopes.
Thickness (m) Upper Cretaceous Maestrichtiense Mixed limestone <30 and dolomites Campanian Argillaceous 25 limestone Massive limestone 120 Santonian Limestone 100 Coniacian Limestone 100 Marls, limestone Turonian and argillaceous 50 Limestone Cenomanian Clay, marls and Argillaceous 15-30 limestone Lower Cretaceous Albian Gravels, sands, 150 lutites and Clays Aptian Sandstones and 600 Lutites Barremian
According to the ISRM suggested methods for the argillaceous swelling rocks (1989, Madsen, 1999), samples have to be protected from frost and extreme heat at all times during sampling and transportation.
The lithologies of red beds are mainly sandstone, siltstone, silty mudstone, argillaceous siltstone, shale, or claystone.