zhè / zhǒng / ní / yán / hán / yǒu / fēng / fù / de / nián / tǔ / kuàng / wù / róng / yì / xī / shuǐ / péng / zhàng这种泥岩含有丰富的黏土矿物,容易吸水膨胀。This mudstone contains abundant clay minerals and easily expands after absorbing water.