A geophysical survey that measures the intensity of an areas magnetic field
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Tag: <span>M</span>
A shiny silver coloured liquid metal at room temperature. Symbol Hg. Mercury is extremely toxic and can be lethal in high human concentrations
A measure of an objects attraction to a magnet
An initial refinement of ore produced at a smelter, usually a mix of metal and sulphur, ideal for transportation but requiring further refinement.
A term synonymous with host rock, country rock and gangue rock. The non-target rock surrounding the target mineral
The characteristic reflection of spectral energy from an object
A zone marked by faulting or bending
The measurement of total quantity of matter
A term applied to a variety of minerals which occur as loose mixtures of clay, calcium carbonate, and carbon based materials in various stages of decomposition. It is frequently found in a hydrous state in subterraneous deposits. It is used for fertilizer and also in the beauty industry for its exfoliative properties
A deposit of sedimentary material which has settled underwater