... 杂砂片岩 graywacke schist 混浊砂岩;硬砂岩 graywacke; greywacke 草食食物链 grazing food chain ...
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lithic graywacke 岩屑杂砂岩 ; [岩] 石质杂砂岩 ; 杂砂岩 ; 低级杂砂岩
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
high-rank graywacke [岩] 高级杂砂岩
gywk graywacke 硬砂岩
graywacke formation 杂砂岩建造
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·2,447,543篇论文数据,部分数据来源于NoteExpress
N any dark sandstone or grit having a matrix of clay minerals 杂砂岩
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