Definition
Diamictite is a sedimentary rock that consists of non-sorted to poorly sorted terrigenous sediment containing particles that range in size from clay to boulders, suspended in a matrix of mudstone or sandstone
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine
History
Origin
Southern Mongolia
Hawaii Islands
Discoverer
Unknown
Unknown
Etymology
From Greek dia through and meiktós or mixed
From Greek pikros bitter + -ite, 19th century
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock