An electromagnetic survey used to outline metallic minerals, or lack thereof
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
A geological measurement in time during which corresponding rock types were formed in, and a period only exceeded in length by an eon
Mineral deposits consisting of veins and replacement bodies, often containing metallic minerals of a higher densities on the periodic table of elements, and transported by intense volcanic activity
A common secondary constituent of igneous rock, a silicate of aluminum, calcium, and iron
A point on the Earths surface reflecting the centre of an earthquake as measured by seismic activity