Adinole

A rock classification type

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Adinole

Hüttenteich, Lerbach, Osterode am Harz, Göttingen District, Lower Saxony, Germany

Adinole

Hüttenteich, Lerbach, Osterode am Harz, Göttingen District, Lower Saxony, Germany

Adinole

Hüttenteich, Lerbach, Osterode am Harz, Göttingen District, Lower Saxony, Germany

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About AdinoleHide

A compact, fine-grained albite-rich metasomatic rock. It has a splintery fracture, commonly with a finely banded aspect due to alternating grey, green or reddish layers of variable colour intensity. It is composed of a fine to very fine grained mosaic of albite and subordinate quartz with minor amounts of other consitutents. Chemically it contains up to 10% by weight of soda. Adinolization is thought to be a Na-metasomatic process related to the intrusion of mafic igneous rocks into pelitic rocks.

A type of albitite.

Unique IdentifiersHide

Mindat ID:

Long-form identifier:

mindat:1:1:25:9

Classification of AdinoleHide

Rock
- Metamorphic rock
  - Metasomatic-rock
    - Adinole
    - Albitite
      - Adinole

Sub-divisions of AdinoleHide

Adinole
- Contact adinole
- Tuffaceous adinole

Mineralogy of AdinoleHide

Essential minerals - these are minerals that are required within the classification of this rock:

Feldspar > Alkali Feldspar > Albite	Na(AlSi₃O₈)
Silica > Quartz	SiO₂

Non-essential minerals - these minerals are common, sometimes major components, but are not always present:

Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Anatase	TiO₂
Chlorite	A name commonly used for undifferentiated members of the chlorite group.
Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Mica > Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Rutile	TiO₂
Sericite	KAl₂(AlSi₃O₁₀)(OH)₂

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References for AdinoleHide

Reference List:

AGI

Tomkeieff, S.I. (1983) Dictionary of Petrology. Wiley.

Fettes, Douglas, Desmons, Jacqueline - Eds. (2007) Metamorphic Rocks - A Classification and Glossary of Terms. Cambridge University Press. 244pp.

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