wacke

Example Sentences

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Another name for a lithic wacke is greywacke.

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

From Textbooks • Jan. 1, 2015

TAHITI.—Passage from wacke into trap; singular volcanic rock with the vesicles half-filled with mesotype.

From Volcanic Islands by Darwin, Charles

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