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A medium to low-temperature metasomatic rock mainly composed of quartz with subsidiary high-alumina minerals, such as pyrophyllite, diaspore, alunite and kaolinite. Common accessories include fluorite, dumortierite and lazulite. Secondary-quartzites are associated with volcanic and subvolcanic rocks of rhyolitic to andesitic composition. Normally they form as replacements of acid igneous rocks and more rarely of sedimentary rocks. They may host mineral deposits of alunite, pyrophyllite, Au, Cu, Sb Hg.

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Classification of Secondary-quartziteHide

RockMetamorphic rockMetasomatic-rockSecondary-quartzite

RockUnclassifed rockQuartziteSecondary-quartzite

Mineralogy of Secondary-quartziteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Accessory minerals - these are minor components, often far less than 1% of the total mineral material:

Synonyms of Secondary-quartziteHide

Other Language Names for Secondary-quartziteHide

References for Secondary-quartziteHide

Reference List:
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Fettes (et al.), Metamorphic Rocks - A Classification and Glossary of Terms (2007) Cambridge University Press

Internet Links for Secondary-quartziteHide

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