| 1 | These folded rocks look like sedimentary rocks. | |
| 2 | Three main rock types make up the geology of Singapore: igneous, sedimentary and alluvium. Where is the main source of granite found? | |
| 3 | The remains were found in a sedimentary rock formation, which was a lake millions of years ago. | |
| 4 | It was found by Junchang Lü and colleagues and excavated from sedimentary rocks in the famous fossil-hunting grounds of Liaoning Province in China. | |
| 5 | A carbon-rich sedimentary rock that forms from the remains of plants deposited as peat in swampy environments. |
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