A coating or deposit of minerals formed on the surface of matter
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Category: <span>E</span>
Where the lowest point of a river meets a larger, tidal body of water
A suspension of one liquid type in another
Shared held in trust until conditions of fulfillment are met
An electromagnetic survey used to outline metallic minerals, or lack thereof
A rock or boulder usually transported by erosion, usually emplaced outside its origin
A green variety of beryl, sapphire or tourmaline used as a gemstone
The breaking down of rock and material by usually natural forces of water and gravity
An elevated earth structure influenced by a linear path of erosion
A geological measurement in time during which corresponding rock types were formed in, and a period only exceeded in length by an eon