Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Great Smoky Mountains National Park' has mentioned 'Precambrian' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The majority of rocks in the Great Smoky Mountains National Park are Late Precambrian rocks that are part of the Ocoee Supergroup. | WIKI |
| Early Precambrian rocks are not only the oldest rocks in the park but also the dominant rock type in sites such as the Raven Fork Valley and upper Tuckasegee River between Cherokee and Bryson City. | WIKI |
| The oldest rocks in the Smokies are the Precambrian gneiss and schists which were formed over a billion years ago from the accumulation of marine sediments and igneous rock. | WIKI |
| In the Late Precambrian, the primordial ocean expanded and the more recent Ocoee Supergroup rocks formed from the accumulation of eroding land mass onto the continental shelf. | WIKI |