"Carbonaceous materials" refers to substances that primarily contain carbon atoms. These materials can be derived from fossil fuels, such as coal and oil, and are commonly used as sources of energy or for industrial purposes. Full definition
Radiocarbon dating is a radiometric dating method that uses the naturally occurring isotope carbon - 14 to determine the age of carbonaceous materials up to ca 60,000 years. (sciencedaily.com)
«Further study is required to fully understand the formation of carbonaceous material in these ancient sedimentary rocks,» Papineau said. (carnegiescience.edu)
Radiocarbon dating is a radiometric dating method that uses (14 C) to determine the age of carbonaceous materials up to about 60,000 years old. (myintimcity.com)