Quartz gabbro is an intrusive rock with a composition intermediate between gabbro and tonalite. It is defined in the QAPF classification as coarse-grained...

to gabbro, such as monzogabbro, quartz gabbro, or nepheline-bearing gabbro. Gabbro itself is more narrowly defined, as a gabbroid in which quartz makes...

composed of primarily olivine rich gabbro. The more intermediate material higher in the sills are composed of quartz gabbro. Small amounts of ilmenite, magnetite...

Hornblende gabbro is an intrusive rock similar to normal gabbro (gabbro sensu stricto). In the QAPF classification it falls within the gabbro field, in...

Quartz monzogabbro is an intrusive rock intermediate between quartz gabbro and quartz monzonite. Under the QAPF classification, it is an intrusive rock...

from the base up of sub layer norite, mafic norite, felsic norite, quartz gabbro, and granophyre.[citation needed] The Whitewater Group consists of a...

very fine structure, while gabbro cools very slowly, at great depth, and large crystals develop. Dolerite is intermediate. Quartz dolerite is very common...

The Concord Gabbro-Syenite Complex is a paleozoic pluton located in North Carolina. The complex is mainly composed of gabbro and syenite and is of the...

Igneous rock type Foidolite – Igneous rock rich in feldspathoid minerals Gabbro – Coarse-grained mafic intrusive rock Granite – Type of igneous rock Granodiorite –...

Baltimore Gabbro Complex is Paleozoic, post-lower Ordovician. Woodstock Quartz Monzonite Guilford Quartz Monzonite "USGS Baltimore Gabbro Complex". Retrieved...