Definition
Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
-
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From Greek phullon leaf + -ite1
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock