Santiago Ramos, D.P., Nielsen, S.G., Coogan, L.A., Scheuermann, P.P., Seyfried Jr., W.E., and Higgins, J.A. (2022) The effect of high-temperature alteration of oceanic crust on the potassium isotopic composition of seawater. Geochimica et Cosmochimica Acta, 339:1-11.

Higgins, J.A., Santiago Ramos, D.P., Gili, S., Spetea, C., Kanoski, S., Ha, D., McDonough, A.A., and Young, J.H. (2022) Stable potassium isotopes (41K/39K) track transcellular and paracellular potassium transport in biological systems. Frontiers in Physiology.

de Obeso, J.C., Santiago Ramos, D.P., Higgins, J.A., and Kelemen, P.B. (2021) A Mg isotopic perspective on the mobility of magnesium during serpentinization and carbonation of the Oman ophiolite. Journal of Geophysical Research: Solid Earth, 126(2).

Mayfield, K.K., Eisenhauer, A., Santiago Ramos, D.P., Higgins, J.A., Horner, T.J., Auro, M., Magna, T., Moosdorf, N., Charette, M.A., Gonneea, M.E., Brady, C.E., Komar, N., Peucker-Ehrenbrink, B., and Paytan, A. (2021) The importance of groundwater discharge in the marine isotope budgets of Li, Mg, Ca, Sr, and Ba. Nature Communications, 12(1), 1-9.

Santiago Ramos, D.P., Coogan, L.A., Murphy, J.G., and Higgins, J.A. (2020) Low-temperature oceanic crust alteration and the isotopic budgets of potassium and magnesium in seawater. Earth and Planetary Science Letters, 541, 116290.

Santiago Ramos, D.P., Morgan, L.E., Lloyd, N.S., and Higgins, J.A. (2018) Reverse weathering in marine sediments and the geochemical cycle of potassium in seawater: Insights from the K isotopic composition (41K/39K) of deep-sea pore-fluids. Geochimica et Cosmochimica Acta, 236:99-120.

Morgan, L.E., Santiago Ramos, D., Davidheiser-Kroll, B., Faithfull, J., Lloyd, N., Ellam, E., and Higgins, J.A. (2018) High-precision 41K/39K measurements by MC-ICP-MS indicate terrestrial variability of δ41K. Journal of Analytical Atomic Spectrometry, 33:175-186.

Higgins, J.A., Blättler, C.L., Lundstrom, E.A., Santiago Ramos, D.P., Akhtar, A.A., Crüger Ahm, A-S., Bialik, O., Holmden, C., Bradbury, H., Murray, S.T., and Swart, P.K. (2018) Mineralogy, early marine diagenesis, and the chemistry of shallow-water carbonate sediments. Geochimica et Cosmochimica Acta, 220:512-534.

Dunlea, A. G., Murray, R. W., Santiago Ramos, D. P., and Higgins, J. A. (2017) Cenozoic global cooling and increased seawater Mg/Ca via reduced reverse weathering. Nature Communications, 8:844.

Jones, D. S., Creel, R. C., Rios, B. A., and Santiago Ramos, D. P. (2015) Chemostratigraphy of an Ordovician-Silurian carbonate platform: δ13C records below glacioeustatic exposure surfaces. Geology, 43:59-62.