Intrusive Igneous Rocks

Tonalite is a type of intrusive igneous rock that belongs to the granodiorite suite of rocks. It is characterized by its composition, which is...

Diabase, also known as dolerite, is a type of igneous rock that holds significance in the field of geology due to its unique characteristics...

Larvikite is a unique and visually striking igneous rock that belongs to the family of feldspar-rich plutonic rocks known as syenites. It is primarily...

Medium or coarse grained rocks, gabbros Dark green pyroxene in principle (augite and smaller orthopyroxene amounts plus white or green colored plagioclase and black, millimeter sized grains of magnetite and / or ilmenite.

Diorite is coarse – grained intrusive igneous rock that commonly mineralogy is plagioclase feldspar and dark colored minerals such as hornblende and biotite.It usually occurs dikes, sills and intrusions with continental crust . Diorite is usually grey to dark-grey in colour, but it can also be black or bluish-grey, and frequently has a greenish cast.

Kakortokite is a rare igneous rock primarily composed of perthitic microcline feldspar with minor amounts of other minerals such as nepheline, sodalite, and/or eudialyte....

Tuff rock, also simply known as "tuff," is a type of sedimentary rock that forms from the consolidation of volcanic ash and other volcanic...

Monzonite is a type of igneous rock that falls within the category of intrusive or plutonic rocks. It is primarily composed of minerals such...

Indigo Gabbro, also known as Mystic Merlinite, is a crystal that belongs to the igneous rock family. It is a unique and visually striking...

Kimberlite is an igneous rock that major source of diamonds. Kimberlite is a variety of peridotite.  It is rich in mica minerals content and...