Virtual Field Trip - Bombo Quarry, Kiama, NSW
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What might have caused the columns observed here? Note the weathering of the lava flow and compare it to the weathering of the overlying rock. The floater on the quarry floor shows the weathering in the overlying rocks. How might these observed features have influenced the use of these rocks and the location of the quarry?
[Closeup of the contact between the rocks]
[Look at floater]
[Go to the east of the quarry]
[Look at the columns]
[Closeup of the contact between the rocks] [Look at floater]
[Go to the east of the quarry] [Look at the columns]