magnetic resonance logging - mean depth
- manganopyrosmaltite
- manganosiderite
- manganosite
- manganostibiite
- manganotantalite
- Mangaseian stage
- mangerite
- manjak
- manjakite
- manless face
- manless mining
- manner of aggregation
- manning
- manpower
- mansfieldite
- mantle
- mantle cavity
- mantle of glacial drift
- mantle of waste
- mantle plume
- mantle rock
- mantled
- manto
- manto deposit
- manual interpretation
- manual method
- manual picking
- manual procedure
- manual processing
- manual smoothing
- manual tracking
- manual-acting
- manually mined slot raise
- manufactured mineral
- Manukan suite
- manure salts
- manway
- manway compartment
- manway raise
- many-chambered foraminifera