"Porphyritic" Quotes from Famous Books
 ... its base in a misty raiment of purple, the royal hill lifted above the valley an Olympian crest of porphyritic rock into the fathomless blue. Here not Jupiter and his court looked serenely down upon the struggling race, "indifferent from their awful height," but a dark-hued god, in Aztec vestments, gazed beyond the meadows to the floating flower beds, the gardens with their baths, and the sensuous dancing ...
— The Strollers • Frederic S. Isham
... greatly. Porphyritic tuffs and massive limestone compose the western chain of the Andes above Lima, while in the Oroya Valley we find carbonaceous sandstones. Some of the tuffs may be of the Jurassic age, though the Cretaceous period ...
— Tom Swift and his Big Tunnel - or, The Hidden City of the Andes • Victor Appleton
... horseshoe and close up to it stand the famous blue-stones, now twelve in number, but originally perhaps more. These stones are not so high as the trilithons, the tallest reaching only 7-1/2 feet. They are nearly all of porphyritic diabase. It has often been asserted that these blue-stones must have been brought to Stonehenge from a distance, as they do not occur anywhere in the district. Some have suggested that they came from Wales or Cornwall, or even by sea from Ireland. Now, the recent excavations ...
— Rough Stone Monuments and Their Builders • T. Eric Peet |
