Definition
During the impact melted material forming a breccia containing glass and crystal or lithic fragments together form Suevite rock.
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture
History
Origin
Canada, Germany
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Discoverer
Unknown
Unknown
Etymology
No etymologies found
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
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Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock