wacke

Example Sentences

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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

Another name for a lithic wacke is greywacke.

From Textbooks • Jan. 1, 2015

The rock is very often of a gray color; hence the name, grau, being German for gray, and wacke, being a provincial miner's term.

From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Lyell, Charles, Sir

Every intermediate form is present, between flinty-slate, clay-slate passing into grey wacke, pure limestone, sandstone, and porcellanic rock; and some of the beds can only be described as composed of a siliceo-calcareo-clay-slate.

From Volcanic Islands by Darwin, Charles