porphyroblast
Sign in to savethumb|300px|Thin section of a garnet porphyroblast (black) in a mica schist that contains foliated trails of small inclusions (white and grey)
Wikidata facts
- Image
- Almandine in Mica schist. Granatkogel, Öztal, Austria-8869.jpg
Show 1 more fact
- Commons category
- Porphyroblasts
Sources (1)
via Wikidata · CC0
~4 min read
Article
2 sectionsContents
- See also
- References
thumb|300px|Thin section of a garnet porphyroblast (black) in a mica schist that contains foliated trails of small inclusions (white and grey)
A porphyroblast is a large mineral crystal in a metamorphic rock which has grown within the finer grained matrix. Porphyroblasts are commonly euhedral crystals, but can also be partly to completely irregular in shape.
Available in 11 languages
via Wikidata sitelinks · CC0
Connections
International Standard Book Number
Entity
mineral
Entity
crystal
Entity
digital object identifier
Entity
igneous rock
Entity
mica
Entity
metamorphic rock
Entity
gneiss
Entity
garnet group
Entity
bibcode
Entity
crystalline schist
Entity
quartzite
Entity
almandine
Entity
siltstone
Entity
staurolite
Entity
spessartine
Entity
foliation
Entity
mudstone
Entity
matrix
Entity
phenocryst
Entity