Byproducts
Byproducts means minerals (exclusive of oil, hydrocarbon gas, and helium), found in solution or in association with geothermal steam, that no person would extract and produce by themselves because they are worth less than 75 percent of the value of the geothermal steam or because extraction and production would be too difficult.
Source
30 CFR § 1206.351
Scoping language
For purposes of this subpart, the following terms have the meanings indicated.