wacke

Example Sentences

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Another name for a lithic wacke is greywacke.

From Textbooks • Jan. 1, 2015

The terms quartz wacke, lithic wacke, and feldspathic wacke are used.

From Textbooks • Jan. 1, 2015

The quartz arenite and arkose have relatively little silt-clay matrix, while the lithic wacke has abundant matrix.

From Textbooks • Jan. 1, 2015

The wacke is of a fine grain, and its constituents are indistinctly mingled; it is traversed by empty holes and bubbles, and occasionally by druses of zeolith.

From The Highlands of Ethiopia by Harris, William Cornwallis

It comprehends any rock in which round or almond-shaped nodules of some mineral, such as agate, chalcedony, calcareous spar, or zeolite, are scattered through a base of wacke, basalt, greenstone, or other kind of trap.

From The Student's Elements of Geology by Lyell, Charles, Sir