Kellogg, Louise H., Lokavarapu, Harsha, Turcotte, Donald L. (2019) Carbonation and the Urey reaction. American Mineralogist, 104 (10) 1365-1368 doi:10.2138/am-2019-6880
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Carbonation and the Urey reaction | ||
| Journal | American Mineralogist | ||
| Authors | Kellogg, Louise H. | Author | |
| Lokavarapu, Harsha | Author | ||
| Turcotte, Donald L. | Author | ||
| Year | 2019 (October 1) | Volume | 104 |
| Issue | 10 | ||
| Publisher | Mineralogical Society of America | ||
| DOI | doi:10.2138/am-2019-6880Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 398694 | Long-form Identifier | mindat:1:5:398694:7 |
| GUID | 0 | ||
| Full Reference | Kellogg, Louise H., Lokavarapu, Harsha, Turcotte, Donald L. (2019) Carbonation and the Urey reaction. American Mineralogist, 104 (10) 1365-1368 doi:10.2138/am-2019-6880 | ||
| Plain Text | Kellogg, Louise H., Lokavarapu, Harsha, Turcotte, Donald L. (2019) Carbonation and the Urey reaction. American Mineralogist, 104 (10) 1365-1368 doi:10.2138/am-2019-6880 | ||
| In | (2019, October) American Mineralogist Vol. 104 (10) Mineralogical Society of America | ||
| Abstract/Notes | Abstract There are three major reservoirs for carbon in the Earth at the present time, the core, the mantle, and the continental crust. The carbon in the continental crust is mainly in carbonates (limestones, marbles, etc.). In this paper we consider the origin of the carbonates. In 1952, Harold Urey proposed that calcium silicates produced by erosion reacted with atmospheric CO2 to produce carbonates, this is now known as the Urey reaction. In this paper we first address how the Urey reaction could have scavenged a significant mass of crustal carbon from the early atmosphere. At the present time the Urey reaction controls the CO2 concentration in the atmosphere. The CO2 enters the atmosphere by volcanism and is lost to the continental crust through the Urey reaction. We address this process in some detail. We then consider the decay of the Paleocene-Eocene thermal maximum (PETM). We quantify how the Urey reaction removes an injection of CO2 into the atmosphere. A typical decay time is 100 000 yr but depends on the variable rate of the Urey reaction. | ||
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