Definition of Graywacke. Meaning of Graywacke. Synonyms of Graywacke

Here you will find one or more explanations in English for the word Graywacke. Also in the bottom left of the page several parts of wikipedia pages related to the word Graywacke and, of course, Graywacke synonyms and on the right images related to the word Graywacke.

Definition of Graywacke

Graywacke
Graywacke Gray"wacke`, n. [G. grauwacke; grau gray + wacke wacke. See Gray, and Wacke, and cf. Grauwacke.] (Geol.) A conglomerate or grit rock, consisting of rounded pebbles sand firmly united together. Note: This term, derived from the grauwacke of German miners, was formerly applied in geology to different grits and slates of the Silurian series; but it is now seldom used.

Meaning of Graywacke from wikipedia

- Greywacke or graywacke (German grauwacke, signifying a grey, earthy rock) is a variety of sandstone generally characterized by its hardness, dark color...
- important, but also the material: The use of hard stone, such as gneiss, graywacke, schist, and granite, was relatively common in the Old Kingdom. The color...
- in Grand Prix Circuit (2011–present) Surface Asphalt concrete with Graywacke aggregate Length 5.125 km (3.185 miles) Turns 16 Race lap record 1:27...
- the Greater Antilles are located in Cuba. They consist of metamorphosed graywacke, argillite, tuff, mafic igneous extrusive flows, and carbonate rock. It...
- interbedded, mudstone, shale, clayey sandstone, calcareous sandstone, graywacke, and sandy limestone. The base of the North Col Formation is a regional...
- American Geological Institute: Alexandria, VA; 2005. Dott, R. H., Wacke, graywacke and matrix – What Approach to Immature Sandstone classification: Journal...
- by Losail International Circuit. The surface of the track is made of graywacke aggregate, shipped to Abu Dhabi from a Bayston Hill quarry in Shropshire...
- adhesive on the sand around the track. The surface of the track is made of graywacke aggregate, shipped to Bahrain from Bayston Hill quarry in Shropshire,...
- Beauvoir Formation, mainly composed of shales, mudstones, limestones, and graywacke, plus silt, clay, sand and gravel glacial fluvial deposits. There are...
- co**** pebbles of quartz and feldspar, flat pebbles of fine-grained black graywacke, and egg-shaped concretions up to 30 centimetres (12 in) in diameter....