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Whether the basalt is volcanic rock
Basalt is a volcanic rock, but only one of the volcanic rocks. Basalt belongs to a kind of volcanic rocks. Belonging to the volcanic rocks in the rock.
What is the difference between basalt and granite formation?
The basalts belong to the magmatic rocks, which are magma ejected from the surface, formed by cooling, and porous in the rock.
Online and so on - detailed definition of stomatal basalts and almond basalts
The basalt structure is related to its consolidation environment. Land on behalf of the formation of basalt, often rope-like structure, massive structure and columnar joint; underwater formation of basalt, often pillow-like structure. The stomatal structure, almond structure may appear in a variety of basalt.
Briefly on the difference between the ridge basalts and island arc basalts
Ridge basalt: plate pressure caused by plate expansion is an important reason for the large amount of magma in the mid-ocean ridge. Along the mid-ocean ridge, the seismic activity is generated in the shallow depth, and the observed heat flow is very high, indicating that the area of alkali-depleted ramen basaltic magma produced in the shallow depth of the location. (2) due to the thin crust, along the ridge of some of the expansion of the cracks can not prevent the loss of water, and thus the water and water, the water is not the same as the following: (1) no subduction occurs, and therefore no water into the upper mantle; The pressure is very low.
Volcanic rocks and basaltic rocks
Basalt is only one of the basic rock of its chemical composition of silica, aluminum oxide, iron oxide, calcium oxide, magnesium oxide (and a small amount of potassium oxide, sodium oxide), the mineral composition mainly by the basic Feldspar and pyroxene, secondary minerals are olivine, amphibole and biotite, etc., the rocks are dark, usually black, sometimes gray and dark purple and so on.
Basalt fiber posing carbon fiber how to distinguish?
Fire resistance, from the basalt cloth pumping a few silk out, lit with a lighter, this time, will burn, and is the fire spread, while the carbon fiber cloth after spinning, will not burn, but into carbon.
The difference between basalt and basalt
Overflow basalts (flood basalts): black, dense, often stomata, the relative density of large. Composed of pyroxene and plagioclase, columnar joint development. During the geological history, there was a large area (more than a few hundred thousand square kilometers) of large thickness (up to several kilometers) of basalt production, 1937 Terler will be a wide range of distribution and huge thickness of basalt called overflow Flow basalt. It is gradually accumulated by multiple fissure eruptions, found in Iceland, India Tak dry plateau, the United States Columbia Plateau, southern Brazil plateau and other places. China's Yunnan, Guizhou and Sichuan transfer zone also has 200 million years ago the formation of overflow basalt.
Basalt and diabase which is expensive
Diabase is a good building material polished very beautiful! I personally think that the price of diabase is high