Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism
History
Origin
Western Australia, Minnesota
England
Discoverer
Unknown
Abraham Gottlob Werner
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Old French esclate, from esclat (French éclat)
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock