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Definition of Gritrock
1. Noun. A hard coarse-grained siliceous sandstone.
Definition of Gritrock
1. n. See Grit,
Lexicographical Neighbors of Gritrock
Literary usage of Gritrock
Below you will find example usage of this term as found in modern and/or classical literature:
1. Annual Report by University of Minnesota Board of Regents (1893)
"... gritrock, stained with iron in bands. SE i NE i sec. 17, 58-19. 149. ...
gritrock. Same locality. 162. Hard hematite, with limonite. NW i SW i sec. ..."
2. A Practical Treatise on Soluble Or Water Glass, Silicates of Soda and Potash by Lewis Feuchtwanger (1870)
"The millstone, or gritrock, is composed of siliceous pebbles. Siliceous schist
is a flinty quartz rock. Jasper rock is likewise a flinty siliceous rock. ..."
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