The Bronze Faces Buried in Sichuan

In 1986, workers digging in a Sichuan field struck something that shouldn't have existed: gold masks and bronze faces with eyes bulging out on stalks, buried and burned in pits no one had ever recorded. What civilization made them — and why did they smash their own treasures and bury the pieces?

Archaeological Finds · 3 min read ·

The Bronze Faces Buried in Sichuan
Cyclohexane233, CC BY-SA 4.0, via Wikimedia Commons

The story begins quietly, in 1927, when a farmer dredging an irrigation ditch near Guanghan in Sichuan Province unearthed a stash of jade relics. Word spread slowly. Many of the pieces slipped into the hands of private collectors before anyone with archaeological training took notice. It wasn't until 1931 that Vyvyan Donnithorne, an Anglican missionary at the Gospel Church of Guanghan, recognized the find's importance. He brought in a local magistrate and Daniel Sheets Dye, a geology professor at West China Union University. The three visited, photographed, and measured the site, and a handful of items made their way to the university museum. In 1934, David Crockett Graham organized the first proper excavation.

But the site's true scale stayed hidden for another half-century. In 1986, local workers accidentally broke into sacrificial pits packed with thousands of objects in gold, bronze, jade, and pottery — many deliberately broken, burned, and carefully buried. Less than a month later, on August 14, 1986, a second pit turned up only 20 to 30 metres away, holding roughly 800 more objects.

What came out of the ground stunned researchers. The bronzes included sculpted human figures, animal-faced sculptures, bells, and decorative dragons, snakes, chicks, and birds, alongside axes. Gold objects included tables, masks, and belts. Jade yielded axes, tablets, rings, knives, and tubes. There were ivory carvings and clam shells too. None of it matched any known style in the history of Chinese art — it was something genuinely new to scholars.

At the center of the mystery are the masks: bronze faces with eyes that jut outward on protruding stalks, unlike anything seen elsewhere in ancient Chinese art. Chinese archaeologists have connected the Sanxingdui culture to the ancient kingdom of Shu, an ally of the Zhou dynasty in its defeat of the Shang, mentioned in the classical texts Shiji and Shujing. According to the Chronicles of Huayang, compiled during the Jin dynasty (266–420 CE), Shu was founded by a king named Cancong, who was described as having protruding eyes — a detail many scholars link directly to those startling bronze masks.

Other legendary Shu rulers named in the Chronicles include Boguan, Yufu, and Duyu. The abundance of fish- and bird-shaped bronze objects has led some to suggest these represent totems of Boguan and Yufu — Yufu's name literally means 'fish cormorant' — with the Yufu clan seen as most closely tied to Sanxingdui itself. A related site 40 kilometres away, Jinsha, shares deep ties with Sanxingdui and is thought to be a relocated Shu capital, possibly linked to the Duyu clan. The Sanxingdui site itself reveals an entire walled city, founded around 1,600 BCE, trapezoidal in shape, enclosing 3.6 square kilometres along the Yazi River — walls up to 10 metres high, ringed by defensive canals, with residential, industrial, and religious districts arranged along a central axis. Radiocarbon dating places the excavated artifacts in the 12th–11th centuries BCE, and the broader Shu kingdom appears to have persisted until Qin conquered the region in 316 BCE.