炭屑 meaning in English

carbon dust

There were two conventional 14c ages , 9965 + 110 years on charcoal grains from the upper strata and 14550 + 450 years on fossil bones from the lower part . thus zhangkou cave was considered being late pleistocene to early holocene in time
已测定上部地层炭屑和下部地层骨化石的常规~ ( 14 ) c年龄分别为9965 110和14550 450年，发掘者据此认为该地点的年代为晚更新世末至全新世早期。
From the deposits inside the cavern , 40 hominid fossil teeth attributed to modern homo sapiens together with - 2 , 000 mammalian fossils representing 33 species have been discovered . relics of prehistoric human activities , such as stone artifact and charcoal grains have also been found
位于云南宜良九乡风景区内的张口洞遗址，出土多件晚期智人和哺乳动物化石，以及史前人类遗存的大量炭屑和数千件石制品。
As there are less such materials in loess as fossil , plants , slag , etc , which could be used for dating , luminescence dating , especially optically stimulated luminescence dating , was extensively applied to aeolian deposits , for its dating materials were minerals , such as quartz and feldspar
由于黄土中所含的化石、木质、炭屑等适于其它方法测年的物质很少，同时，全新世黄土受年轻有机碳和无机碳的影响较大，致使全新世黄土类沉积物的测年迄今仍缺少理想方法。