Gabbro-A

[|Gabbro-A]

[|Gabbro-]

[|Gabbro-A]

[|Gabbro-A] http://en.wikipedia.org/wiki/Christian_Leopold_von_Buch

http://geology.about.com/od/rocks/ig/igrockindex/rocpicgabbro.htm

gabbro is an intrusive rock with a coarse grain size is coarse. Gabbro doesn't contain any fossils, but does contain the minerals: plagioclase,feldspar,augite,hypersthene,olivine,and sometimes magnetite,chromite,titanite, and imanite.

Gabbro forms from magma that is rich in iron and magnesium it is poor in quartz and has no silica, the magma cools and crystalizes deep below the earths surface faster it cools means the larger the crystals. forms in mid ocean ridges. gabrro was named by a german geologist christian leopold von buch after a town in the itailian tuscany region.

Uses for Gabbro include: counter tops,flooring,monumental stone,facing stone, and sea defences







angela snider, andrea ebrecht