felspathic
Americanadjective
Example Sentences
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Its mineralogical constitution is not simple; in some parts the rock is of a cherty, in others of a felspathic nature, including thin veins of serpentine.
From The Voyage of the Beagle by Darwin, Charles
Clinkstone, called also phonolite, a felspathic rock of the trap family, usually fissile.
From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Lyell, Charles, Sir
Wallabies were very numerous between the cliffs of the felspathic rock; and the fine fig trees along the banks of the river were covered with ripe fruit.
From Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845 by Leichhardt, Ludwig
They consist chiefly of granulitic quartzose schists and felspathic gneisses, permeated in places by strings and veins of pegmatite.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" by Various
The rock was felspathic, apparently allied to those already seen in the Balonne.
From Journal of an Expedition into the Interior of Tropical Australia by Mitchell, Thomas
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