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Columbia: The Forgotten Supercontinent
Paperback
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Publisher: John Pritchett
Published: Mar 15 2026
Pages: 168
Weight: 0.51
Height: 0.39 Width: 6.00 Depth: 9.00
Language: English
Two billion years ago, the Earth looked nothing like the planet we know today.
Long before the familiar outlines of modern continents emerged, ancient fragments of crust drifted slowly across a hotter and more restless world. Over immense spans of time, those fragments collided and fused together to form one of Earth's earliest great supercontinents: Columbia.
In Columbia: The Forgotten Supercontinent, John S. Pritchett explores the deep geological history of this lost world and the powerful forces that shaped it. Drawing on modern geological research, the book reveals how ancient cratons-the oldest surviving pieces of continental crust-assembled through titanic collisions that raised mountain ranges rivaling the Himalayas. Though those mountains have long since eroded away, their deep roots remain preserved within the continents.
These ancient collisions did more than reshape the planet's surface. They forged vast mineral belts, concentrated metals deep within the crust, and created the geological conditions that formed diamonds far beneath the Earth's surface. Many of the resources essential to modern civilization-gold, copper, nickel, uranium, iron, and diamonds-trace their origins to these ancient tectonic events.
Through the evidence preserved in rocks scattered across today's continents, geologists have reconstructed the story of Columbia and its role in the long cycle of supercontinents that have repeatedly assembled and broken apart throughout Earth's history.
Blending clear scientific explanation with the grand scale of deep time, this book reveals how the hidden structures beneath the continents preserve the memory of a world that vanished more than a billion years ago. It is a story written in stone-one that continues to shape the planet beneath our feet today.
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