Research

Weathering rates in continental arc volcanoes

Hydrothermal alteration at the Tolhuaca Volcano. Featuring Daniele Tardani and Gerdhard Jessen in 2021.


Geochemistry of active and fossil sinter deposits

Silica in a perpetual spouter pool at El Tatio geothermal field.


Modeling weathering of volcanic rocks

Hawaiian fern (Cibotium menziesii) growing on the fresh surfaces of the Pu’u O’o Kupaianaha 1986 – 1992 lava flow.


Fractionation of Ge/Si ratios in clays and transient behavior in natural systems


Sources and long-term accumulation of salt deposits in the Atacama Desert

The Salar Grande deposit in the Atacama Desert. Tarapacá region in Chile. Featuring Fernanda Alvarez over massive halite crystals. Picture taken by Glen Snyder in 2011.


Effects of weathering in the landscape evolution of Hawaiian islands

Soil profiles in the northern Kohala coast of Hawaii. Featuring Andres Aguirre and Lou Derry in 2016.