Highly fractionated chromium isotopes in Mesoproterozoic-aged shales and atmospheric oxygen

por Donald E. Canfield, Shuichang Zhang, Anja B. Frank, Xiaomei Wang, Huajian Wang, Jin Su, Yuntao Ye, Robert Frei
Publicado 2018

Goldilocks at the dawn of complex life: mountains might have damaged Ediacaran–Cambrian ecosystems and prompted an early Cambrian greenhouse world

por Fabricio Caxito, Cristiano Lana, Robert Frei, Gabriel J. Uhlein, Alcides N. Sial, Elton L. Dantas, André G. Pinto, Filippe C. Campos, Paulo Galvão, Lucas V. Warren, Juliana Okubo, Carlos E. Ganade
Publicado 2021

East Greenland ice core dust record reveals timing of Greenland ice sheet advance and retreat

por Marius Folden Simonsen, Giovanni Baccolo, Thomas Blunier, Alejandra Borunda, Barbara Delmonte, Robert Frei, Steven Goldstein, Aslak Grinsted, Helle Astrid Kjær, Todd Sowers, Anders Svensson, Bo Vinther, Diana Vladimirova, Gisela Winckler, Mai Winstrup, Paul Vallelonga
Publicado 2019