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Cement manufacture

The process of producing cement, which also releases CO2 into the atmosphere and affects the 13C/12C and 14C/12C ratios.

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Jan 31, 2026
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How do isotopic signatures (carbon-13/carbon-12) show fossil fuel contributions to atmospheric CO2?

Isotopic ratios of carbon—principally the stable 13C/12C ratio expressed as δ13C—act as a fingerprint that reveals the addition of CO2 from fossil fuels because fossil carbon is consistently depleted ...