||About 20 km away from the log jam site we found fossilised land plants in limestone. A quick and easy way to test for limestone is to drip some hydrochloric acid on the rock. It will react with the limestone and produce gas bubbles, as seen here in this rock containing a fossil fern.
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|This photo is part of a series called "Jurassic Ark Project: The Evidence". Click here to view the whole series
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