Wollastonite Skarn, Contact Metamorphism, Willsboro, NY.Wollastonite is a calcium inosilicate mineral (CaSiO3) that may contain small amounts of iron, magnesium, and manganese substituting for calcium. Skarns or tactites are hard, coarse-grained metamorphic rocks that form by a process called metasomatism. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 5519 px × 4085 px |
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