carboniferous

Examples

• All

• The carboniferous content of the material makes it valuable for energy production.

• Scientists analyzed carboniferous rocks to study ancient life forms.

• The region is carboniferous and known for its rich coal deposits.

• Coal is a carboniferous material that has formed over millions of years.

• The steady use of carboniferous resources has significantly impacted the environment over the last century.

• Geologists study carboniferous rock formations to understand the Earth's coal deposits.

• The carboniferous materials in this area make it ideal for mining coal.

Synonyms

C

carbonaceous

vscarboniferous

• Specialized

2 9.1

Made mostly from carbon, like coal or some meteorites

focuses on coal forming processes rather than on chemical state

C

carbonous

vscarboniferous

• Specialized

9.6

Containing carbon in a simple chemical form with little oxygen

applies to carbon generally and to coal formation, not specific oxidation levels

Compounds

C

Carboniferous period

• Specialized

1 8.4

A time about 345 to 280 million years ago when large swamp forests formed coal

L

Lower Carboniferous

• Specialized

9.9

An early part of the Carboniferous period about 345 to 310 million years ago

L

Lower Carboniferous period

• Specialized

9.9

An early part of the Carboniferous when primitive winged insects and early amphibians appear

U

Upper Carboniferous

• Specialized

9.9

A late part of Earth's history 310 to 280 million years ago with swamp forests that formed coal

U

Upper Carboniferous period

• Specialized

9.9

A time about 310 to 280 million years ago with warm swampy land where much coal formed

Surface Forms

Morphology

Etymology