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Dacitoid

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Rocks tentatively identified as dacite, with felsics comprising >20% quartz and alkali feldspar/plagioclase <0.5


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Classification of DacitoidHide

Dacitic rock appears in fields 4 and 5 in the QAPF diagram.

Dacitic rock is found in field 'O3' in the TAS diagram.

Sub-divisions of DacitoidHide

Mineralogy of DacitoidHide

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:
Amphibole > HornblendeAn informal name for dark green to black amphiboles, mostly ferro-hornblende or ...
Feldspar > Alkali FeldsparFeldspar Group minerals rich in Potassium or Sodium.
Pyroxene > Clinopyroxene > Augite(CaxMgyFez)(Mgy1Fez1)Si2O6

Synonyms of DacitoidHide

Internet Links for DacitoidHide

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