gabbros

Dr Ildefonse told BBC News: The hole currently is residing at the very transition of the upper-part of the crust, which is basically the basalts you see erupted at the sea floor, and the lower-part of the crust which has rocks of the same composition but that cool much slower and are called gabbros.

BBC News - Home 2011

Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.

First Man James R. Hansen 2005

Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.

First Man James R. Hansen 2005

Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.

First Man James R. Hansen 2005

Later flights brought back a greater variety of specimens, including lighter-colored igneous rocks that were even older, called gabbros and anorthosite.

First Man James R. Hansen 2005

The park is geologically diverse with areas of Ordovician sedimentary rocks, Precambrian granite and gneiss, Palaeozoic serpentinized ultra-basic rocks, gabbros, volcanic and lower Palaeozoic sedimentary rocks.

Gros Morne National Park, Canada 2008

Like enstatite, bronzite is a constituent of many basic igneous rocks, such as norites, gabbros, and especially peridotites, and of the serpentines which have been derived from them.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various

The Virginia production comes from pegmatite dikes cutting through gabbros, syenites, and gneisses.

The Economic Aspect of Geology 1915

Under the resistless pressure of crustal movements almost any rocks, sandstones, shales, lavas of all kinds, granites, diorites, and gabbros may be metamorphosed into schists by crushing and shearing.

The Elements of Geology William Harmon Norton 1900

The East Coldstream Deposit is hosted within mafic to intermediate metavolcanic rocks which have been intruded by dike/sill-like bodies of quartz-feldspar porphyries and gabbros.

unknown title 2011