Definition
Flint is a hard type of sedimentary rock that produces a small piece of burning material when hit by steel
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles
History
Origin
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Discoverer
Unknown
Johann Gottlob Lehmann
Etymology
From Old English flint - a type of rock mainly known for high hardness and for giving off sparks when struck
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
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Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock