bonanza

A rich mine or vein of silver or gold.

The point at which two mother lodes intersect.

Anything which is a great source of wealth or yields a large income or return.

The popular show quickly became a ratings bonanza for the network.

For two decades the bonanza on Scotland’s west coast continued. An occupation that had been seasonal and modestly profitable became year-round and lucrative. Baskets of herring put televisions into fishermen’s cottages and cars outside their doors. But fish, like oil and gas, with which Scotland’s continental shelf is also well-endowed, are not in unlimited supply.

A city in Klamath County, Oregon, United States.