Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Great Smoky Mountains National Park' has mentioned 'Gneiss' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| They primarily consist of metamorphic gneiss, granite, and schist. | 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 |