A mineral formed by the compaction of sediment whose constituent is cyanophytes, also known as blue-green algae
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Category: <span>S</span>
A small discontinuous vein or shoot of mineralization
A downward arching fold in rock strata bedded rocks
A formal study pertaining to the specific characteristics of the geophysical or geochemical properties of the Earths surface
An orebody exposed at the Earths surface
Minerals deposited on or near surface by precipitation of descending solutions of genetically linked material
A low lying cavity used for the collection and disposition or redistribution of water
A gas released during the heating of sulphide ores, SO2
A light, yellow orthorhombic mineral. Symbol, S
An element compounded with sulphur