alb3841583

diorite

Hand sample of Diorite, an intrusive igneous rock consisting of sodic plagioclase feldspar and hornblende, biotite or pyroxene. Small amounts of quartz may be present. Diorite has phaneritic texture; mineral grains are of nearly equal size and are visible to the naked eye.
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Titre:
diorite
Hand sample of Diorite, an intrusive igneous rock consisting of sodic plagioclase feldspar and hornblende, biotite or pyroxene. Small amounts of quartz may be present. Diorite has phaneritic texture; mineral grains are of nearly equal size and are visible to the naked eye.
Crédit:
Album / Science Source / MARK A. SCHNEIDER
Autorisations:
Modèle: Non - Propriété: Non
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Taille de l'image:
4256 x 2848 px | 34.7 MB
Taille d'impression:
36.0 x 24.1 cm | 14.2 x 9.5 in (300 dpi)
Mots clés:
DIORITE FELDSPATH GEOLOGIE PIERRE ROC ROCHE ROCHER