graywacke
英 ['greɪwæk] 美 ['greɪˌwæk]

n.

硬砂岩；

权威例句

Sole Markings of Graded Graywacke Beds
Interpreting detrital modes of graywacke and arkose
Provenance of Franciscan graywackes in coastal California
Wacke, Graywacke and Matrix--What Approach to Immature Sandstone Classification?
Rare earths in Archean graywackes from Wyoming and from the Fig Tree Group, South Africa
Petrology and Geochemistry of Early Precambrian Graywackes from the Fig Tree Group, South Africa
Water-assisted migmatization of metagraywackes in a Variscan shear zone, Aiguilles-Rouges massif, western Alps ☆
Rare earth element geochemistry of Australian Paleozoic graywackes and mudrocks: Provenance and tectonic control
Geochemistry and U–Pb detrital zircon dating of Paleozoic graywackes in East Junggar, NW China: Insights into subduction–accretion...
Deposition and Diagenetic Alteration of Sandstone in Northeast Pacific Arc-Related Basins: Implications for Graywacke Genesis