The tall stalagmites on the cave floor were formed by mineral deposits from dripping water over centuries.

stalagmites 是由 stalag-（源自希腊语 stalaktos，意为"滴落"）和 -mite（源自希腊语 mitos，意为"线"）组成的复合词。这个词特指从洞穴地面向上生长的石灰岩柱，是由含有矿物质的水滴落地面后沉积形成的。与钟乳石（stalactite，从洞顶向下生长）形成对比。