carboniferous period in a sentence

Examples

1. It is from the Pennsylvanian epoch of the Carboniferous period, approximately 300 million years ago.
2. Juvenile insects are also known from the Carboniferous Period.
3. After the end of the Carboniferous period, an intrusion of quartz dolerite formed the Whin Sill.
4. The first fossil record for abiotic pollination is from fern-like plants in the late Carboniferous period.
5. The dendroid graptolites survived until the Carboniferous period.
6. Swamps formed across the state as the Carboniferous period continued and the sea left the state.
7. Towards the close of Carboniferous Period some 295 million years ago ( Ma ), country rock.
8. They are made up of metamorphic rocks dating from the Lower Cambrian to the Carboniferous period.
9. From the late Neoproterozoic Era to Carboniferous Period, Europe underwent the Caledonian Orogeny and Variscan Orogeny.
10. They were components of the understories of coal swamps of the Carboniferous Period ( around ).