Definition
Diatomite is a fine-grained sedimentary rock which is formed from consolidated diatomaceous earth
Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite
History
Origin
Germany
-
Discoverer
Unknown
Unknown
Etymology
From diatom + -ite1
From granite + diorite
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock