Basalt And Granite Which One Is Older

Basalt is fine grained so the individual minerals are not visible but they include pyroxene plagioclase feldspar and olivine these minerals are visible in the coarse grained plutonic version of basalt called gabbro.

Basalt and granite which one is older.

Basalt is an extrusive or intrusive rock that makes up most of the world s oceanic crust. It is common both on earth and other planetary bodies. Granite vs basalt characteristics assist us to distinguish and recognize rocks. That s in the cretaceous period the last period in which the.

Summary basalt vs granite. The principle of cutting states when one feature cuts another the feature being cut is older the feature doing the cutting is younger. Granite vs basalt characteristics. Also since both those lithologies are igneo.

Summary of basalt vs. It forms from lava flows which extrude onto the surface and cool. This specimen erupted from kilauea volcano in 1960. The key difference between basalt and granite is that basalt is mostly occurring on ocean floors while granite is in the crust of the earth in all continents.

Basalt wikipedia wikimedia foundation 13 sept. There is no reason for some existing rock to preclude the later existence of a different sort of rock. The granite formed from underground lava called magma about 100 million years ago. The earth is 4 billion years old and any kind of rock can form just about anywhere.

Though some rocks look identical they have certain characteristics which distinguish them from others. Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of continental crust. Basalt and granite are two types of igneous rocks that we can find on earth. Characteristics of rocks include texture appearance color fracture streak hardness etc.