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The story of Fushun, in Liaoning Province, is not merely written in history books. It is etched in towering cliffs of oil shale, whispered in the depths of abandoned mines, and reflected in the still waters of a massive crater lake. To understand Fushun is to embark on a journey through deep geological time, a narrative that powerfully intersects with the most pressing global conversations of our era: energy transition, post-industrial identity, and humanity's complex relationship with the Earth's crust.
The very ground beneath Fushun is a palimpsest of planetary drama. The city sits within the Fushun Basin, a geological gift—and curse—born from violent tectonic activity and lush, ancient life.
Around 50 million years ago, during the Eocene epoch, this region was a subtropical paradise. A vast, tranquil lake teemed with life. Giant ferns, early deciduous trees, and countless microorganisms thrived in this warm, wet world. As these lifeforms died, they sank into the oxygen-poor bottom of the lake, avoiding complete decomposition. Layer upon layer of this organic sludge accumulated over millions of years. Then, the Earth's restless plates shifted. The basin subsided further, and immense sedimentary layers, including thick deposits of mud and sand, buried this organic treasure under increasing pressure and heat.
This slow-cooker process transformed the organic matter into something extraordinary: a dual-energy legacy. The deeper layers became bituminous coal—high-quality, energy-dense "black gold." The shallower, less processed layers became the world's thickest and most concentrated deposit of oil shale, a sedimentary rock that literally burns and can be retorted into synthetic crude oil.
This geological history is laid bare in the staggering spectacle of the Fushun West Open-Pit Mine. Once the largest open-pit coal mine in Asia, it is a human-made canyon that reveals the Earth's chapters like a textbook. The walls expose a clear, dramatic stratigraphy: at the very top, a layer of basalt, evidence of later volcanic flows. Below it, the thick, green-gray bands of oil shale. And at the bottom, the deep, dark seams of coal. This mine is the ultimate symbol of the Anthropocene, a visible scar of industrial hunger that provided the fuel for Japan's wartime machine and later, China's industrial rise. Its gradual closure marks the end of an era, leaving behind a profound question: what is the future for such a monument to extraction?
For most of the 20th century, Fushun's identity was synonymous with carbon. It was a classic "company town" on a colossal scale, with everything revolving around the mines and the associated chemical and power industries. The air was thick with the smell of coal dust and industrial output; the economy pulsed with the rhythm of shift changes. It was a powerhouse, but one built on a finite and environmentally devastating resource.
Today, Fushun finds itself at the heart of a global dilemma. The world is urgently pivoting towards renewable energy to combat climate change. Cities and regions whose entire existence was built on fossil fuels now face existential transitions. Fushun is a microcosm of this challenge. The depletion of the most accessible coal seams coincides with the national drive for carbon neutrality. The city embodies the "just transition" problem: how to retire a carbon-intensive legacy while ensuring economic survival and social stability for its people. The shadows of the slag heaps are long, and moving beyond them requires more than policy—it requires a complete reimagining of purpose.
The environmental legacy is inescapable. The ground in some areas is unstable due to mine subsidence. The oil shale industry, while still operational, has a significant environmental footprint. Yet, within these challenges lie the seeds of reinvention, and Fushun is actively exploring its paradoxical path forward.
The most poetic example of this reinvention is perhaps the Haizhou Open-Pit Mine's transformation. As groundwater seeped in and rainfall accumulated, the massive abandoned pit gradually filled, creating a stunning, sapphire-blue body of water now known as Tian Hu (Heaven Lake). This accidental lake, surrounded by the terraced cliffs of the mine, is a powerful symbol of nature reclaiming industrial spaces. It has become an unexpected tourist attraction, a place of eerie beauty that forces contemplation on decay and rebirth. It is a direct parallel to post-mining landscapes everywhere, from Germany's Lusatian lake district to the U.S., where pit lakes become recreational facilities.
With conventional coal mining winding down, attention has turned to Fushun's other geological inheritance: oil shale. In an energy-hungry world, this domestic resource is seen by some as a strategic asset, a way to produce synthetic oil and reduce reliance on imports. Modern retorting technologies aim to be cleaner than their predecessors. However, this revival sparks intense debate. Is exploiting oil shale a pragmatic "bridge" during an energy transition, or does it lock in carbon-intensive infrastructure and divert investment from truly clean solar, wind, and hydrogen? Fushun's shale industry is a live test case in this global argument.
The story of Fushun is ongoing. It is a city navigating the treacherous passage from a past defined by what it took from the ground to a future that must be built on knowledge, resilience, and sustainable use of its dramatic landscape. Its cliffs are a record of ancient climate change that created its wealth, and its present is a frontline in addressing modern climate change caused by burning that wealth. In its pits, its lake, and its fossils, Fushun holds a mirror to the world, reminding us that the layers of our geological history are inextricably linked to the layers of our economic choices and our collective future on this planet.