Glossary

CEC	Cation Exchange Capacity. In soil science used as a measure of fertility, nutrient retention capacity, and the capacity to protect groundwater from cation contamination
heavy metal	common transition metals such as copper, lead, and zinc and are often a cause of environmental pollution
indicated resource	A resource sampled by a drillhole where scientific data is known with a reasonable level of confidence but drillholes are too widely spaced to ensure continuity
industrial minerals	geological minerals which are mined for their commercial value, which are not fuels and are not sources of metals
Inferred resource	a resource where scientific data is not known with a reasonable level of confidence and drillholes are too widely spaced to ensure continuity
JORC	Joint Ore Reserves Committee. The guidelines of the JORC Code (1999) are observed in the calculation of ore resources and ore reserves
nutrient	a chemical that an organism needs to live and grow. Most plants ingest nutrients directly from the soil through their roots or from the atmosphere
soil remediation	improvement of low soil quality either naturally occurring or the result of past contamination
substrate	in biology the natural environment in which an organism lives, or the surface or medium on which an organism grows or is attached.
trace element	in biochemistry a trace element (or micro-nutrient) is a chemical element that is needed in minute quantities for the proper growth, development and physiology of an organism.

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