Graywacke Greywacke杂砂岩
graywacke conglomerate浊砂砾岩
graywacke formation杂砂岩建造
lithic graywacke岩屑杂砂岩;[岩] 石质杂砂岩;低级杂砂岩;杂砂岩
feldspathic graywacke长石质杂砂岩;长石质混浊砂岩;[岩] 长石杂砂岩
arkosic graywacke长石砂岩质杂砂岩
graywacke schist杂砂片岩
gywk graywacke硬砂岩
high-rank graywacke[岩] 高级杂砂岩
The clastic sedimentary rocks in this area are classified as graywacke and arkose, and their material source should be a mixture of mafic or its partial melting product, metamorphosed basement and/or its anatexis magma, as well as granites.
该区碎屑沉积岩均属杂砂岩与长石砂岩,其物质来源上主要是镁铁质及其变质深熔产物、古老基底物质及其深熔产物及花岗岩类。
参考来源 - 青海共和—花石峡碎屑沉积岩地球化学与锆石年代学及其地质意义N（名词） any dark sandstone or grit having a matrix of clay minerals 杂砂岩