No Comments

Hangingwall

Mining solid ore by drilling, blasting, milling and eventually refinement of minerals generally not emplaced by any glacial activity or erosion

No Comments

Hand mining

Relatively small scale mining, usually performed for exploration purposes, utilizing hand tools such as picks, shovels, sluices, goldpans and not powered equipment

No Comments

Holding company

A corporation whose main purpose is to manage controlling interest in one or several other companies

No Comments

Hoist

A machine using for hoisting a cage or crate in a shaft or tunnel

No Comments

Hinterland

Flat terrain at the back of a folded mountain range. This term also applies to an area of land, lying behind a coastal area or seaport area

No Comments

Hillside placers

Gravel deposits where bedrock is higher than the surrounding areas and the deposit is generally not prone to benching, usually a dry placer

No Comments

High Grading

Sections of ore which contain high economic concentrations of target minerals

No Comments

High grade

Sections of ore which contain high economic concentrations of target minerals

No Comments

Hypogene

A geologic process occurring inside or below the Earth’s crust