The Fine Grained Volcanic Equivalent Of Granite Is Basalt

Basalt extrusive igneous volcanic rock that is low in silica content dark in color and comparatively rich in iron and magnesium.

The fine grained volcanic equivalent of granite is basalt.

The fine grained rock texture that results from crystals too small to be see with the naked eye. Basalt and gabbro are the extrusive and intrusive names for mafic igneous rocks and peridotite is ultramafic with komatiite as the fine grained extrusive equivalent. Medium grey fine grained rock typically of volcanic orgin. Granite is a coarse grained light colored intrusive igneous rock that contains mainly quartz feldspar and mica minerals.

The softest mineral on mr. Is the intrusive equivalent of andesite looks like grey granite. The fine grained equivalent of gabbro. Is felsic in composition after an explosive volcanic eruption on an island the surrounding sea is full of light gray floating rock.

Strato volcanoes are common around the margins of the pacific ocean. Granite the equivalent of its extrusive volcanic rock type rhyolite is a very common type of intrusive igneous rock. 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. A tholeiitic basalt contains more conspicuous plagioclase and pyroxene crystals.

Very dark green to black fine grained rock composed primarily of pyroxene and calcium rich plagioclase feldspar. Is the coarse grained equivalent of andesite. It contains more than 68 weight of silica in composition and is granular and coarse grained in texture. Basalt can form in a few days to months whereas granite plutons can take millions of years to cool and harden.

Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of. Fine grained equivalent to granite composed of mostly light colored silicates. How the magma felt during cooling. The rock that is the fine grained equivalent of granite is.

Basalt is a fine grained. The tholeiitic and the alkali basalts. 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 fine grained volcanic equivalent of granite is basalt.

Summary of basalt vs. Peridotite contains calcium rich plagioclase. Gabbro is the fine grained equivalent to basalt. For igneous rocks crystal size is interpreted to imply which of the following.

Basalt is more common in oceanic crust while granite is more common in continental crust. Mauna loa in hawaii is situated on a. Its principal minerals are feldspars quartz and mica. Learn more about basalt in this article.

The specimen above is about two inches five centimeters across.