Marlstone is a limestone based clay that acts similar to Marl.

泥灰岩石是与泥灰作用相似的一种以石灰石为基础的粘土。

Spires of limestone tufa rise from the shores of California's Mono Lake.

图为石灰石耸立加利福尼亚的莫诺湖之滨。

Calcifuge Describing plants that grow on soils containing very little calcium carbonate, such as sandy or peaty soils and cannot grow on basic substrates such as most chalk and limestone soils.

酸钙含量低的土壤中生存的植物，例地或泥地中生长。这种植物石灰石之类的碱性基质中不能生长。