In The News - 2015 - 2015

Faculty Spotlight

Professor John A. Higgins

Title: Associate Professor of Geosciences
Research Areas:

Professor John Higgins' primary research interest is the evolution of the carbon cycle and the global climate system over Earth history.  One focus has been on processes that control the chemical composition of seawater, and how those processes have changed on geologic timescales.  Another is how on the chemistry of carbonate sediments is affected by processes that occur post-deposition.  These include early diagenetic recrystallization, dolomitization and hydrothermal alteration.  The tools Prof. Higgins has employed to study these include numerical models of chemical and isotopic biogeochemical cycles, as well as analysis of traditional stable isotopes of oxygen and carbon, and new isotope systems such as magnesium, calcium, and potassium.

John A. Higgns, Associate Professor of Geosciences

 


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More recent articles

Wednesday, May 27, 2015
Event announcement for the Geosciences Alumni Reception 2015, Friday May 29, 3:00 to 6:00 p.m., Guyot Hall
Wednesday, May 27, 2015
The 2015 "Smilodon" alumni newsletter is now published and available in the department and online. Geosciences Alumni can look for copies to be delivered this summer.
Wednesday, May 13, 2015
A team of researchers with members from Princeton University, the University of Maine and Oregon State University has found that greenhouse gasses a million years ago, were only slightly higher than they were between 450,000 and 800,000 years ago. In their paper published in "Proceedings of the National Academy of Sciences," the team describes...
Tuesday, May 12, 2015
2015 Spitzer Lecture - Professor Nicolas Dauphas, Dept. of the Geophysical Sciences and Enrico Fermi Institute, University of Chicago. Meteorites, which are remnants of solar system formation, provide a direct glimpse into the dynamics and evolution of a young stellar object, namely our Sun.
Tuesday, May 12, 2015
A whiff of air frozen in ice for 1 million years provides a new snapshot of Earth's ancestral climate. "Gas bubbles are the gold standard for reconstructing climate," said lead study author John Higgins, a geochemist at Princeton University. (DOI:10.1073/pnas.1420232112)

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