| 释义 | 
		Definition of arkose in English: arkosenoun ˈɑːkəʊsˈɑːkəʊzˈärˌkōs mass nounGeology A coarse-grained sandstone which is at least 25 per cent feldspar.  Example sentencesExamples -  When the sandstone contains appreciable quantities of feldspar the rock is called arkose.
 -  Soils on basalt had a higher pH and were higher in most micronutrients, but lower in Iron, than soils on arkose.
 -  Ghanem et al. referred to the Hammamat Group as molasse-type sediments that consist of polymictic conglomerate, arkose, greywacke, siltstone and minor mudstone.
 -  Conglomerate clasts are principally volcanic rocks and greenish gray chert, with subordinate arkose, graywacke, siltstone, red chert, quartzite, white quartz, and limestone.
 -  The matrix ranges from sandstone to arkose, and is frequently just fine-grained conglomerate.
 
 
 Origin   Mid 19th century: from French, probably from Greek arkhaios 'ancient'.    Definition of arkose in US English: arkosenounˈärˌkōs Geology A coarse-grained sandstone that is at least 25 percent feldspar.  Example sentencesExamples -  The matrix ranges from sandstone to arkose, and is frequently just fine-grained conglomerate.
 -  Ghanem et al. referred to the Hammamat Group as molasse-type sediments that consist of polymictic conglomerate, arkose, greywacke, siltstone and minor mudstone.
 -  Soils on basalt had a higher pH and were higher in most micronutrients, but lower in Iron, than soils on arkose.
 -  When the sandstone contains appreciable quantities of feldspar the rock is called arkose.
 -  Conglomerate clasts are principally volcanic rocks and greenish gray chert, with subordinate arkose, graywacke, siltstone, red chert, quartzite, white quartz, and limestone.
 
 
 Origin   Mid 19th century: from French, probably from Greek arkhaios ‘ancient’.     |