USFSI Stable Isotope Lab
USF Geology








δ13C and δ18O of carbonates (shells, corals, limestone, soil nodules, speleothem calcite, tooth enamel) 

δ18O and δD of water 

δ13C and δ15N of organic matter (biomass, soil organic matter) 

δ13C of dissolved inorganic carbon (DIC) 

δ13C of dissolved organicc carbon (DOC) 

δ13C and δ18O of CO2 

δ34S of sulfate (aqueous or solid)



Thermo Fisher Scientific (FInnigan) Delta V 3 keV Isotope Ratio Mass Spectrometer.

Gasbench II preparation device

Costech ECS Elemental Analyzer with "zero-blank" autosampler.


Equipment funded by the University of South Florida College of Arts & Sciences and Office of Sponsored Research




University of South Florida external link

USF College of Arts & Sciences external link

USF Geology external link

Lab PIs:

Gregory Herbert
Bogdan Onac
Jonathan Wynn

Contact Information

Lab Space: SCA 139

Department of Geology
University of South Florida
4202 E Fowler Ave, SCA528
Tampa, FL 33620
e-mail to:
jwynn (...)