Definitions
from The Century Dictionary.
- Resembling gneiss in structure, especially with reference to the foliated arrangement of the constituents. Rocks are called
gneissoid when they have the gneissic structure only imperfectly developed.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Resembling gneiss; having some of the characteristics of gneiss; -- applied to rocks of an intermediate character between granite and gneiss, or mica slate and gneiss.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geology Having a structure similar to that of
gneiss , or intermediate between that of gneiss andmica orgranite - noun geology A
metamorphic rock having the composition of alaminated granite
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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-- This is an emerald-green variety of spodumene, found only in Alexander county, when it occurs sparsely in the soil and gneissoid rock, along with emerald, monazite, rutile, allanite, dolomite and quartz crystals of generally smoky color and rare modifications.
North Carolina and its Resources. North Carolina. Board of Agriculture. 1896
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Drifts piled high in bleak ravines, and the grim gneissoid crags were begirt with gigantic icicles.
The Christmas Miracle 1911 Mary Noailles Murfree 1886
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We started on our return down the valley at three o'clock, and took particular note of the succession of the rocks, as I had become much interested in finding these quartz and gneissoid beds, which I had no doubt were the same Laurentian rocks that I had seen in
The Naturalist in Nicaragua Thomas Belt 1855
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The bed rock was a talcose schist near to Ocotal, but higher up the river it changed to gneissoid and quartz rocks, the latter in hard and massive beds.
The Naturalist in Nicaragua Thomas Belt 1855
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At this distance, rapids commence, and the bed of the river exhibited greenstone and gneissoid boulders.
Memoirs of 30 Years with the Indian Tribes on the American Frontiers Schoolcraft, H R 1851
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At this distance, rapids commence, and the bed of the river exhibited greenstone and gneissoid boulders.
Personal Memoirs of a Residence of Thirty Years with the Indian Tribes on the American Frontiers Henry Rowe Schoolcraft 1828
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The mountain chain is built up of granite, gneissoid, and schistose rocks, often in vertical position, and capped with trachyte and porphyry. [
The Andes and the Amazon Across the Continent of South America James Orton 1853
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