Marcia Bjornerud

A garden of geologic delights for all Earthlings Geopedia is a trove of geologic wonders and the evocative terms that humans have devised to describe them. Featuring dozens of entries—from Acasta gneiss to Zircon—this illustrated compendium is brimming with lapidary and lexical insights that will delight rockhounds and word lovers alike. Geoscientists are magpies for words, and with good reason....

WINNER OF THE 2025 JOHN BURROUGHS MEDAL FOR DISTINGUISHED NATURAL HISTORY WRITING 'Vast and arresting' SPECTATOR 'A remarkably human take on the geological world' NEW STATESMAN Rocks are the record of our creative planet reinventing itself for four billion years. Nothing is ever lost, just transformed. Marcia Bjornerud's life as a geologist has coincided with an extraordinary period of discovery....