Besides the sacrifice and the wood, what did the fire of the Lord consume on Carmel?

Answer: The stones and the dust

The fire of the Lord consumed the sacrifice, the wood, the stones and the dust, and licked up the water in the trench.

“Then the fire of the LORD fell and consumed the sacrifice, the wood, the stones, and the dust, and it licked up the water in the trench.”— 1 Kings 18:38 (BSB)