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Geologic > Gabbro
The following information is about Gabbro.
Gabbro Defined
A dark, coarse-grained intrusive igneous rock. Gabbro is made of calcium-rich plagioclase, with amphibole and/or pyroxene, and is chemically equivalent to basalt.
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Off-site Gabbro Links, User Submitted
The following links have been collected through user bookmark submission in the Gabbro category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.
Sat Nov 22
- Geological Society - Gabbro, Isle of Skye: he Cuillin Hills on Skye are well known by rock climbers ? the coarse, crystalline rock provides excellent grip. These mountains are made of gabbro, a dark, coarse-grained igneous rock. The coarse grain size shows that the gabbro crystallised slowly, deep underground. It was probably intruded deep beneath a volcano that erupted around 50 million years ago. The rocks have been cut into sharp ridges and mountain peaks, with deep U-shaped valleys now flooded by the sea, like the loch in the foreground. This scenery is typical of land that has been carved out by glaciers.
Sat Jun 14
Fri May 16
- Google Image Result for http://www4.na u.edu/meteorit e/Meteorite/Im ages/Ophitic_T exture.jpg: Basalts and gabbros are volcanic rocks that are common to the Earth, Moon, Mars, many large asteroids, and probably to Mercury and Venus. From the Apollo Missions and meteorites that we have received from the Moon, Mars, and asteroids, we have learned tha
Mon May 12
- Une éclogite à Glaucophane: Une Eclogite de Basses Températures
Thu May 8
- Google Image Result for http://www.geo cities.com/jgh ist/counties/h uerfano/huerf1 4.jpg: The rock in photos 5 & 6 is classified as a olivine biotite alkali gabbro. Minerals present in the rock are olivine, biotite, plagioclase and potassium feldspar, orthopyroxene, titanaugite, apatite, and fluorite.
Mon Mar 5
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