Stamp Mill

Crisson’s 140-Year-Old Stamp Mill

The Stamp Mill is a very simple machine. The flywheel builds momentum to turn the cam. The cam lifts the stamps and then gravity drops them back down at a rate of 40 times per minute. It can process approximately 1 ton of rock per hour. There are several ways to power a Stamp Mill. One way is a water wheel. Another way is a steam engine. Or as we use on our Stamp Mill, a chain-driven electric motor.

When the Stamp Mill is in operation you can hear it a mile away. In the earlier years, the Stamp Mills ran 24 hours a day. So if you lived near one of the mines you didn’t get much sleep.

When the Stamp Mill was being used commercially the two tables in front of the batter boxes would be covered with mercury to catch the gold. We no longer use chemicals at our mine to process the ore.

Due to the fact that oil makes gold float, we can not use oil on the Stamp Mill so we substitute oil with sorghum syrup we have to apply the sorghum syrup daily to the camshaft.

When Can I See It Working?

This is the only original working Stamp Mill in the state of Georgia. One of two in the Southeast. Due to the fact that this Stamp Mill is over 100 years old and parts are almost impossible to find we do not run it all day long, but we do try to run it only when ore is needed or on special occasions.

What gold was found using this stamp mill besides the ore for our customers?

The price memorial building at the North Georgia College has 16 ounces of gold on the dome. The Crisson family donated 3 ounces. The Georgia State Capitol has 43 ounces of gold on its dome. The Crisson family donated 13 ounces of gold.

Tour the Historic Crisson Gold Mine

Learn more about Dahlonega’s fascinating gold mining history.

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