Pennsylvanian
Speech parts
1. Pennsylvanian - Noun
2. Pennsylvanian - Adjective
Meaning
a native or resident of Pennsylvania
from 310 million to 280 million years ago; warm climate; swampy land
Source: WordNetSynonyms
Hypernyms
Phrases with the word
Examples
The current internationally used geologic timescale of the ICS gives the Mississippian and Pennsylvanian the rank of subperiods, subdivisions of the Carboniferous Period.
The entire area is a dissected plateau of Pennsylvanian and Mississippian age, but appears mountainous to the casual observer.
A more recent chaetognath, Paucijaculum samamithion Schram, has been described from the Mazon Creek biota from the Pennsylvanian of Illinois.
As with most other geochronologic units, the rock beds that define the Pennsylvanian are well identified, but the exact date of the start and end are uncertain by a few million years.
Fungi All modern classes of fungi have been found in rocks of Pennsylvanian age.
Most of the oil and gas of North America is obtained from Pennsylvanian sediments.