garnetiferous

A course gneiss is the predominant rock, but is associated with garnetiferous mica-schists and much intrusive granite.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various

It is also found in Macon County at several points, here in a garnetiferous mica schist.

The Resources of North Carolina: Its Natural Wealth, Condition, and Advantages, as Existing in 1869. Presented to the Capitalists and People of the Central and Northern States 1869

These phenomena of serpentine rocks forming layers in eurite (weisstein), in schistose hornblende, in gabbro, and in syenite, are so much the more remarkable, as the great mass of garnetiferous serpentines, which are found in the mountains of gneiss and mica-slate, form little distinct mounts, masses not covered by other formations.

Travels to the Equinoctial Regions of America 1851

These phenomena of serpentine rocks forming layers in eurite (weisstein), in schistose hornblende, in gabbro, and in syenite, are so much the more remarkable, as the great mass of garnetiferous serpentines, which are found in the mountains of gneiss and mica-slate, form little distinct mounts, masses not covered by other formations.

Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Alexander von Humboldt 1814

The upper one, from 67. 0m to 70. 3m is a medium grained, dark grey-green to grey, lineated, biotitized, foliated metagabbroic peridotite which is weakly garnetiferous.

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