Foid-bearing-alkali-feldspar-trachyte
A rock classification type
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Trachytic rocks, with felsics comprising 0-10% foids and alkali feldspar/total feldspar >0.9
Unique Identifiers
Mindat ID:
48466
Long-form identifier:
mindat:1:1:48466:0
GUID
(UUID V4):
(UUID V4):
7711bd2a-7254-46f4-9541-84dd69f6fb71
Classification of Foid-bearing-alkali-feldspar-trachyte
- Rock
- Igneous rock
- Normal crystalline igneous rock
- Fine-grained ("volcanic") normal crystalline igneous rock
- Trachytoid
- Foid-bearing-alkali-feldspar-trachyte
- Trachytoid
- Fine-grained ("volcanic") normal crystalline igneous rock
- Normal crystalline igneous rock
- Igneous rock
Foid-bearing-alkali-feldspar-trachyte appears in field 6' in the QAPF diagram.
Mineralogy of Foid-bearing-alkali-feldspar-trachyte
Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. |
Internet Links for Foid-bearing-alkali-feldspar-trachyte
mindat.org URL:
https://www.mindat.org/min-48466.html
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References for Foid-bearing-alkali-feldspar-trachyte
Reference List: