磨石粗砂岩

磨

mó

to rub

石

shí

abbr. for Shijiazhuang 石家莊|石家庄[Shi2 jia1 zhuang1], the capital of Hebei

粗

cū

remote; distant

砂

shā

sand

岩

yán

variant of 岩[yan2]