heavy spar - honeycombed ice
- Hidromica-montmorillonite cement
- hielmite
- hieratite
- hieroglyph
- higginsite
- high
- high amplitudes
- high assay
- high bank
- high birefringence
- high caloric value
- high channel seismic acquisition system
- high channel seismic crew
- high clouds
- high coal
- high coal deposit
- high dip
- high duty fan
- high explosive
- high face
- high flood
- high fractionation
- high frequency electromagnetic propagation log
- high gasoline content
- high gold grades in the core have verified reliable economic significance of the vein
- high gold values
- high grade
- high grade the mine out
- high ground pressure
- high head
- high land
- high level gold anomalies
- high lift boom
- high lift dump track
- high lime stage
- high moor
- high moorland
- high mountain area
- high periodicity
- high pillar