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Oracle Database 19C
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#形态万千的钟乳石形成原理是什么?#从上往下生长的叫钟乳石，钟乳石下方从下往上生长的叫石笋，它们的形成都是由于地面雨水渗透到石头中，把石头中的碳酸钙溶解成可溶于水的碳酸氢钙，碳酸氢钙继续往下流入溶洞，在气候变化及大气压强的作用下，部分碳酸氢钙还原为碳酸钙，逐步沉淀形成钟乳石或石笋。这个过程是长期的，-今日头条
May 5, 2025
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