No Comments

Impact crater

Cavities in the Earth’s surface, resultant of collisions between an asteroid or meteorite

No Comments

Igneous rocks

The simplest of the 3 main rock types which includes sedimentary and metamorphic, igneous rocks are formed immediately upon the cooling of molten material

No Comments

Inferred ore

Value estimates of ore made based on the inference, or assumption of the continuation of mineralization from a known region or face to another determinable point. Inferred measurements can only be upgraded to actual measurements though proper volumetric procedures

No Comments

Industrial minerals

Minerals used in manufacturing, construction and industrial process, excluding metals, petroleum and bitumen

No Comments

Inductively coupled plasma (atomic emission) spectroscopy. (ICP-AES)

A process that analysis concentration of minerals in a substance, by sending energy through plasma, suspended in a quartz tube to produce excited atoms in the analyzed substance which reflect radiation at a wavelength associated with a particular element and its concentration. See X-ray fluorescence (XRF)

No Comments

Induced polarization

A method of geophysical surveying utilizing electrical currents and conductivity readings to outline or pinpoint areas of mineralization

No Comments

Indicator

A geological or biological feature or other mineral that suggests the presence of a specific mineral within its environment

No Comments

Index fossil

A fossil used to determine the surrounding rock based on the likely time of its origin