Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature
History
Origin
Western Australia, Minnesota
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Discoverer
Unknown
René Just Haüy
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From French, Greek eklogē selection with reference to the selective content of the rock + -ite1
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
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Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock