1 Definition
1.1 Definition
Oil Shale is a fine-grained sedimentary rock from which oil is extracted
1.2 History
1.2.1 Origin
Unknown
1.2.2 Discoverer
Unknown
1.3 Etymology
From Old English scealu in its base sense of thing that divides or separate
1.4 Class
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock