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Tonalite

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A granitoid (a coarse grained igneous rock composed mostly of quartz (20-60%), Kspar (alkali-feldspar) and plagioclase), where plagioclase is >90% of the total feldspar on the QAPF diagram.


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Classification of TonaliteHide

Sub-divisions of TonaliteHide

Mineralogy of TonaliteHide

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:
AmphiboleAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
PyroxeneA petrological term for Pyroxene Group.

Pronounciation of TonaliteHide

Pronounciation:
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Jolyon & Katya RalphUnited Kingdom

Internet Links for TonaliteHide

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