Selby Cull

Timeline of the Early Earth part of Online Teaching:Activities for Teaching Online
Students assemble timelines of the early evolution of Earth's atmosphere, lithosphere, biosphere, and hydrosphere by examining data from Archean rocks and minerals.

Introduction to Geologic Field Methods part of Course Design:Goals Database
This course is designed to give students repeated practice in field mapping methods - for students in areas without huge exposures of great outcrops (e.g., Missouri). Every class meeting, the students will be asked ...