shield basalt

例句：

1. 1. The shield basalt formation is a unique geological feature in the region.
   盾状玄武岩形成是该地区独特的地质特征。
2. 2. The basalt quarry is located near the river, providing a natural barrier against floods.
   玄武岩采石场位于河边，为防洪提供了天然屏障。
3. 3. The basalt is highly resistant to heat and corrosion, making it ideal for construction purposes.
   玄武岩具有很高的耐热性和抗腐蚀性，使其成为建筑的理想材料。