Question

A is a speleothem that forms on the ceiling of a cavern and resembles an icicle made of rock.

Answer 1

Stalactite.

Stalactite:

• Often, stalagmites develop up from the cave floor, whereas stalagmites typically grow down from the cave roof.

• It's simple to distinguish between the two since stalagmites have a "G" for ground and stalactites have a "T" for top.

• Typically made of calcium carbonate, stalagmites can also be made of lava, mud, peat, pitch, sand, sinter, and amber.

• A single drop of water rich in minerals is the origin of all limestone stalactites.

• The smallest ring of calcite is left behind by the falling water drop.

• Another calcite ring is left behind with each new drop of water that develops and drops.

Learn more about Stalactite, here

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