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’. |