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 Acidic
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Referring to silica-rich igneous rocks in which quartz is an essential constituent.
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| Ag |
Silver.
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| ANFO |
Ammonium nitrate fuel oil.
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| Argillic |
With reference to hydrothermal alteration of igneous rocks around a mineralised orebody, where the original rock has been more or less altered to a characteristic assemblage of clay minerals, quartz and pyrite.
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| As |
Arsenic.
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| Assay |
The analysis of the percentage of particular elements or compounds in a given sample.
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| Au |
Gold.
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Glossary 