washing stuff

uncountable

(mining) Any earthy deposit containing enough gold to pay for washing it.

Japanese Meaning

採掘用語。洗浄工程に必要な費用をまかなうのに十分な金を含んでいる土や砂などの鉱床を指す。

After a week of prospecting, she finally found a rich patch of washing stuff along the riverbank.

一週間の採掘の後、彼女はついに川岸で砂金の取れる豊かな土砂を見つけた。

Sense（1）

(mining) Any earthy deposit containing enough gold to pay for washing it.