1. Biogeochemical Weathering of Iron-Silicate Minerals Open Access Author: Buss, Heather L. Title: Biogeochemical Weathering of Iron-Silicate Minerals Graduate Program: Geosciences Keywords: spheroidal weatheringbiotitehornblendeiron cyclingsiderophoresetch pits File: Download BussThesisFinal.pdf Committee Members: Susan Louise Brantley, Committee Chair/Co-ChairMaryann Victoria Bruns, Committee MemberLee Kump, Committee MemberChristopher Howard House, Committee Member