feldspathic
Americanadjective
Other Word Forms
Etymology
Origin of feldspathic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The terms quartz wacke, lithic wacke, and feldspathic wacke are used.
From Textbooks ● Jan. 1, 2015
This final stage is macroscopically nothing more than a siliceous slate or schist, and is barely distinguishable from the end products of similar metamorphism in the more feldspathic schists and the Loudoun sandy slates.
From History and Comprehensive Description of Loudoun County, Virginia by Head, James William
These strata alternate with a bluish, compact, fusible, feldspathic rock.
From Geological Observations on South America by Darwin, Charles
The fragments are angular or rounded, small or large, and consist of bluish or reddish compact feldspathic matter, in which a few acicular crystals of feldspar can sometimes be seen.
From Geological Observations on South America by Darwin, Charles
The contemporaneous volcanic rocks intercalated in this Upper Old Red consist of feldspathic lavas, or feldstones, with associated tuffs or ashy beds.
From The Student's Elements of Geology by Lyell, Charles, Sir
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