Definition
Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature
Cataclasite is a type of cataclastic rock that is formed by fracturing and comminution during faulting. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix
History
Origin
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Swiss Alps, Europe
Discoverer
René Just Haüy
Michael Tellinger
Etymology
From French, Greek eklogē selection with reference to the selective content of the rock + -ite1
From the Italian word cataclasi
Class
Metamorphic Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
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-
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock