from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Containing, made of, or resembling clay; clayey.
from The Century Dictionary.
- Of the nature of or resembling clay.
- Containing a considerable amount of clayey matter: as, argillaceous earth.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Of the nature of clay; consisting of, or containing, argil or clay; clayey.
- adjective (Geol.) a sandstone containing much clay.
- adjective the clay ironstone.
- adjective See
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective pertaining to
clay; made of, containing, or resembling clay
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective resembling or containing clay
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
Hydraulic limestones, sometimes referred to as argillaceous limestones have a high proportion of clay and silicia (15-20 %) and can be either high calcium or magnesian.
These siliceous sand-rocks are either held together by a siliceous cement, or have a greater or less portion of clay in them, which in some acts as a cement to the siliceous crystals, but in others is in such great abundance that in burning them they become an imperfect porcelain and are then used to repair the roads, as at Chesterfield in Derbyshire; these are called argillaceous grit by Mr. Kirwan.
Besides metallic bolts, wooden slot-and-wedge anchors were applied in the U.S.A. mainly in places with soft hanging such as argillaceous and quarzitic shalestone.
Geologically, the island consists of gneiss and argillaceous schists, with no trace of fossils, showing that the island is, like the Falkland Islands, a surviving fragment of some greater land-mass now vanished, most probably indicating a former extension of the Andean system.
The Purcell – Cabinet – North Bitterroot Mountains ecoregion is mantled by volcanic ash and glacial deposits and is underlain by quartzite and argillaceous rocks.
The surface geology of this ecoregion consists mostly of extremely rugged limestone mountains, with an additional section of argillaceous sedimentary rock on Biak.
Mineralogically, these oil shales are marls or argillaceous limestones, which may be associated with volcanic tuffs and evaporites.
Mr. Waterhouse only saw Chambers Pillar from a distance, but he had an opportunity of examining a smaller hill of the same character, and found it to be composed of a soft loose argillaceous rock, at the top of which was a thin stratum of a hard siliceous rock, much broken up.
The geological formation of the country we had passed through, consisted in the higher ranges of an argillaceous rock, of quartz, or of ironstone.
In the lower or front hills the rock was argillaceous, of a hard slaty nature, and inclined at an angle of about 45 degrees from the horizontal.
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