Organic Geochemistry Group (Sepúlveda Lab)

Group News

Summer 2017

We welcome PhD student Sebastian Cantarero to the OG Group! Sebastian holds a B.Sc. in Geology from the University of Nebraska and a M.Sc. in Geology from the University of Minnesota, Duluth. Before joining our group, he worked as a Consultant for a non-profit organization focused on social and economic development in Nicaragua, as well as a Research Associate at the National University of Singapore and the Nanyang Technological University, Singapore. Sebastian will be working on the lipidomics of microbial communities inhabiting oxygen minimum zones

We welcome Geology and Biochemistry major Steven Moran from Wichita State University, Kansas. Steven is a UNAVCO-RESESS summer fellow and he will be working with graduate student Garrett Boudinot on compound-specific stable isotope analysis of marine and terrestrial biomarkers across the Cretaceous OAE-2 event

Congratulations to Geology major Nina Kentwortz for receiving a UROP fellowship for summer 2017. She will be working with graduate student Lina Pérez on bacterial branched GDGTs isolated from Pliocene-Pleistocene lake sediments from the Sabana de Bogota, Colombia.

Spring 2017

Congratulations to Geology and Chemistry major Michael “Avi” Gross for graduating with honors after successfully defending his thesis entitled “An investigation of paleo-wildfires during the Cretaceous-Paleogene (K/Pg) boundary at El Kef, Tunisia”.

Our new Thermo Scientific MAT 253 isotope ratio mass spectrometer (GC-ir-MS) was successfully installed!

Fall 2016

Our new Thermo Scientific Q Exactive Focus, high-resolution Quadrupole-Orbitrap mass spectrometer (HPLC-Q-Orbitrap-MS) was successfully installed!

Dr. Aaron “Ari” Meilijson joined the OG Lab as a Research Affiliate. He obtained his PhD., MSc., and BSc. in Geology from the Ben-Gurion University of the Negev, Beer Sheva, Israel. Ari is using lipid biomarkers and sedimentological tools to study the paleoceanographic and biological changes that took place in the Eastern Mediterranean during the Early Eocene and the Messinian Salinity Crisis.

PhD student Lina Pérez-Ángel (co-advised by Peter Molnar) joined the OG lab after graduating with a BSc. in Geology from the University of Los Andes, Colombia. Lina will study the climatic and vegetation evolution of the Eastern Cordillera of the Andes since the Pliocene by using a combination of organic and stable isotope proxies.

Summer 2016

Raman Umamaheswaran, a Geology senior at the University of Delhi, India visited the OG Lab in summer 2016 as a recipient of the S.N. Bose Scholars Program. He worked on the biomarker analysis of Cretaceous dinosaur coprolites in collaboration with Prof. K. Chin.

Our new Thermo Scientific TSQ8000 Evo Gas Chromatograph-triple quadrupole-mass spectrometer (GC-QQQ-MS) was successfully installed

June 2016

PhD student Garrett Boudinot attended the Stable Isotope Biogeochemistry and Ecology Summer School (IsoCamp) at the University of Utah with the support of a travel grant.

Spring 2016

The OG Lab has a new home in the Sustainability, Energy and Environment Complex (SEEC) on east campus.

Fall 2015

PhD student F. Garrett Boudinot joined the OG lab after graduating with a BSc. in Geology and a B.A. in Religious Studies from the College of Charleston. He will be working on biomarker and compound-specific stable isotopes reconstructing ecological, biogeochemical and environmental changes across the Cretaceous OAE-2 event in the western interior seaway of the US. 

Contact Information

(Phone) 303 735-6877
SEEL room 214A