felspathic

American  

[fel-spath-ik] / fɛlˈspæθ ɪk /

Or felspathose

adjective

1. feldspathic.

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Example Sentences

The hills behind consisted in the higher parts of a felspathic conglomerate and clay-slate dipping to the eastward.

From Three Expeditions into the Interior of Eastern Australia, Volume 2 by Mitchell, Thomas

Two miles farther, the bed of the river was formed by a felspathic rock, with beautiful dendrites.

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

The felspathic lavas, with their associated beds of tuff and breccia, rise into some of the grandest mountain crests of North Wales, such as those of Cader Idris, Aran Mowddwy, Arenig and Moel Wyn.

From Volcanoes: Past and Present by Hull, Edward

The rock in the immediate neighbourhood of Cape York is a porphyry with soft felspathic base, containing numerous moderately-sized crystals of amber-coloured quartz, and a few larger ones of flesh-coloured felspar.

From Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 1 by MacGillivray, John

A. The ancient mountain, chiefly composed of felspathic rocks.

From Etna A History of the Mountain and of its Eruptions by Rodwell, G. F.