Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Purnululu National Park' has mentioned 'Iron' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The banding of the domes is due to differences in clay content and porosity of the sandstone layers: the orange bands consist of oxidised iron compounds in layers that dry out too quickly for cyanobacteria to multiply; the grey bands are composed of cyanobacteria growing on the surface of layers of sandstone where moisture accumulates. | WIKI |