The Dynamic Earth View Multimedia Version

Main Menu >  GeoGallery >  Rocks >  Gabbro
TITLE: GeoGallery

Choose one of the following Rocks for more details:

Gabbro

Gabbro

Much of the magma that feeds spreading ridges stagnates near the base of the oceanic crust, where it crystallizes to form the coarse-grained rock called gabbro. The large, interlocking crystals are evidence that it cooled slowly. Hole 735B: 118-735B-74R-07. 128-135 cm, #1F


bottom navigation bar Smithsonian National Museum of Natural History Department of Mineral Sciences website Credits