The sherd scontain quartz feldspar calcspar and sericite as well as some charcoal.

陶片中含有石英、长石、方解石、绢云母等各种矿物颗粒，还含有一定量的炭。

youdao

The sherd scontain quartz feldspar calcspar and sericite as well as some charcoal.

陶片中含有石英、长石、方解石、绢云母等各种矿物颗粒，还含有一定量的炭。

youdao