Definition
Origin
Discoverer
Etymology
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Other Categories
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Western Australia, Minnesota
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Coarse Grained Rock, Opaque Rock
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles
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,
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock