Definition
Definition
Harzburgite is a plutonic rock of the peridotite group consisting largely of orthopyroxene and olivine
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene
History
Origin
Germany
Unknown
Discoverer
Unknown
Unknown
Etymology
From the name of a town in Harzburg, Germany
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
Plutonic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
|
||
|
||
|
