rock quality designation

例句：

1. 1. The geologists conducted a rock quality designation to determine the composition of the rocks.
   地质学家进行了岩石质量鉴定，以确定岩石的组成。
2. 2.The rock quality designation helps in predicting the potential for oil and gas exploration.
   岩石质量鉴定有助于预测石油和天然气勘探的潜在价值。
3. 3. In the rock quality designation, the mineral content is classified according to its relative abundance.
   在岩石质量鉴定中，矿物含量根据其相对丰度进行分类。