The Fine Grained Volcanic Equivalent Of Granite Is Basalt

Gabbro is the fine grained equivalent to basalt.

The fine grained volcanic equivalent of granite is basalt.

Is the intrusive equivalent of andesite looks like grey granite. Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of. Basalt one example of an aphanitic rock with mafic composition. Mauna loa in hawaii is situated on a.

Its principal minerals are feldspars quartz and mica. Basalt extrusive igneous volcanic rock that is low in silica content dark in color and comparatively rich in iron and magnesium. Medium grey fine grained rock typically of volcanic orgin. The specimen above is about two inches five centimeters across.

The fine grained rock texture that results from crystals too small to be see with the naked eye. It often forms as a frothy crust on the top of a lava flow or as material ejected from a volcanic vent and solidifying. The tholeiitic and the alkali basalts. Basalt is a fine grained.

A tholeiitic basalt contains more conspicuous plagioclase and pyroxene crystals. Fine grained equivalent to granite composed of mostly light colored silicates. Is felsic in composition after an explosive volcanic eruption on an island the surrounding sea is full of light gray floating rock. The softest mineral on mr.

Very dark green to black fine grained rock composed primarily of pyroxene and calcium rich plagioclase feldspar. For igneous rocks crystal size is interpreted to imply which of the following. Moh s scale is. Summary of basalt vs.

It contains more than 68 weight of silica in composition and is granular and coarse grained in texture. Learn more about basalt in this article. The fine grained volcanic equivalent of granite is basalt. The fine grained equivalent of gabbro.

Basalt is more common in oceanic crust while granite is more common in continental crust. Peridotite contains calcium rich plagioclase. Granite is a coarse grained light colored intrusive igneous rock that contains mainly quartz feldspar and mica minerals. Basalts may be broadly classified on a chemical and petrographic basis into two main groups.

How the magma felt during cooling. Is the coarse grained equivalent of andesite. Granite the equivalent of its extrusive volcanic rock type rhyolite is a very common type of intrusive igneous rock. The rock that is the fine grained equivalent of granite is.

Komatiite is a rare rock because volcanic material that comes directly from the mantle is not common although some examples can be found in ancient archean rocks 2.