How To Use Argillaceous rock In A Sentence

• The geological formation of the country we had passed through, consisted in the higher ranges of an argillaceous rock, of quartz, or of ironstone. Journals of expeditions of discovery into Central Australia, and overland from Adelaide to King George's Sound, in the years 1840-1
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• 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 Journals of John McDouall Stuart
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• argillaceous rocks
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• The Purcell – Cabinet – North Bitterroot Mountains ecoregion is mantled by volcanic ash and glacial deposits and is underlain by quartzite and argillaceous rocks. Ecoregions of Idaho (EPA)
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