GNEISS n.
A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic or syenitic gneiss. Similar va…
GRANGER RAILROADS; GRANGER ROADS n.
Certain railroads whose traffic largely consists in carrying the produce of farmers or grangers; -- specifically applied to the Chicago & Alton; Chicago, Burlington & Quincey; Chicago, Rock Island & Pacific; Chicago, Milwaukee & St. Paul; and Chicago & Northwestern, railroads. [U. S.].
GRANITE n.
A crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a whitish, grayish, or flesh-red color. It differs from gneiss in not having the mica in planes, and therefor in being destitute of a schistose structure.