Biography: Jesse Davenport

My project:

Use of geochemical and stable isotopic methods as proxies for erosion and weathering intensity

Working with:

Christian France-Lanord                                                                                           Guillaume Caro

Host organization:

Centre de Recherches Pétrographiques et Géochimiques, Nancy France.

Native country:

U.S.A.

Graduated from:

MSc. -- University of Notre Dame, U.S.A.                                                                         B.A. -- The College of Wooster, U.S.A.

Contacts:

Email: jessed@crpg.cnrs-nancy.fr                                                                                             Tel: +33(0)3 83 59 42 42

Doctoral research:

I have a background in igneous and metamorphic petrology but decided to switch focus for my PhD to study isotope geochemistry in the Himalayas and how we can use it to reconstruct paleoclimate and extend it to a paleoerosional proxy. Specifically, I am using radiogenic calcium isotopes to try to distinguish between silicate and carbonate sources in weathering products such as river water and sediment. Many researchers have tried to use strontium isotopes to do this task, but a number of factors complicate the interpretation of this data. I have been analyzing samples and developing this new Ca technique and our first results confirm that the use of radiogenic calcium isotopes can be used to distinguish between silicate and carbonate sources. I will also be conducting analyses using oxygen, carbon and silicon isotopic techniques.

Publications:

  • Davenport, J.D., Caro, G. and C. France-Lanord (in press) Tracing silicate weathering in the Himalaya using the 40K-40Ca system: A reconaissance study. Procedia Earth and Planetary Science.
  • Davenport, J.D., Longhi, J, Neal, C.R., Jolliff, B.L., Bolster, D., (submitted to Computers and Geoscience) MAGFOX, MAGPOX, BATCH and FXMOTR: A suite of lunar and igneous planetary crystallization programs.
  • Davenport, J. D., Neal, C. R., Snyder, G.A., Bolster, D. and J. Longhi (in preparation) Forward and Reverse Modeling of the Lunar Magma Ocean: Implications for the bulk Lunar Magma Ocean Composition.
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