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 wikipedia wikimedia foundation 13 sept. This specimen erupted from kilauea volcano in 1960. The granite formed from underground lava called magma about 100 million years ago. Also since both those lithologies are igneo.

Summary of basalt vs. There is no reason for some existing rock to preclude the later existence of a different sort of rock. The earth is 4 billion years old and any kind of rock can form just about anywhere. It is common both on earth and other planetary bodies.

Granite vs basalt characteristics. The principle of cutting states when one feature cuts another the feature being cut is older the feature doing the cutting is younger. The granite is much older than the basalt. Its principle minerals include pyroxene feldspar and olivine.

It forms from lava flows which extrude onto the surface and cool. Basalt is an igneous volcanic rock that forms commonly in oceanic crust and parts of continental crust. Summary basalt vs granite. The granite cuts through the schist in first photo and cuts the schist s foliation in the second.

That s in the cretaceous period the last period in which the. 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. Granite vs basalt characteristics assist us to distinguish and recognize rocks. Characteristics of rocks include texture appearance color fracture streak hardness etc.