Gold bearing sediment is known as Placer
You can go placer mining wherever gold is found in placer deposits. For gold, I'd suggest looking in Alaska, or California, or Arizona, though many other states also have gold in at least small amounts if you're willing to put in the effort. Montana is the state if you want to placer mine for sapphire.
yes
Sometimes you can find gold by panning. This is called placer mining.
Placer gold mining
GOLD
There are no gold dimes.
Allin R. Copp has written: 'Placer gold mining' -- subject(s): Gold mines and mining, Placer mining
Gold had been discovered.
Gold placer claims are used to mine for precious minerals, especially gold. This may be done by using open pit or any other surface level mining technique.
Hardrock or Placer?
Placer gold (gold dust found in rivers) and gold ore, including Telluride.