Constraining mechanisms of quartz precipitation in the Archean ocean using silicon isotopes

Latisha Ashley Brengman, University of Minnesota Duluth, Earth and Environmental Sciences, Duluth, MN, United States, Christopher Fedo, University of Tennessee, Department of Earth and Planetary Sciences, Knoxville, TN, United States and Whitehouse Martin, Swedish Museum of Natural History, Department of Geosciences, Stockholm, Sweden