How To Use Pyrogenous In A Sentence

• It is, however, much more common in alluvial grounds than among primitive and pyrogenous rocks. The Continental Monthly, Vol 3 No 3, March 1863 Devoted To Literature And National Policy
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• This paper analyzes technically and economically the feasibility of producing ammonia by the pyrogenous coal gas from the pyrolyzating plant with circulated fluid bed boiler.
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• _cyprieres_, draped with the silvery _tillandsia_, form a background to the picture with all the grandeur of the pyrogenous granite! The Quadroon Adventures in the Far West
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• I consider as pyrogenous, but as those of which the volcanic origin is probably posterior to the tertiary strata. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
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• I place pyroxenic amygdaloid and phonolite (porphyrschiefer) at the end of the formations of Venezuela, not as being the only rocks which I consider as pyrogenous, but as those of which the volcanic origin is probably posterior to the tertiary strata. Travels to the Equinoctial Regions of America
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