Basalt And Granite Which One Is Older

The principle of cutting states when one feature cuts another the feature being cut is older the feature doing the cutting is younger.

Basalt and granite which one is older.

It is common both on earth and other planetary bodies. 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. Basalt wikipedia wikimedia foundation 13 sept.

That s in the cretaceous period the last period in which the. Summary of basalt vs. Also since both those lithologies are igneo. 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.

Granite vs basalt characteristics. The granite is much older than the basalt. The granite cuts through the schist in first photo and cuts the schist s foliation in the second. The granite formed from underground lava called magma about 100 million years ago.

There is no reason for some existing rock to preclude the later existence of a different sort of rock. Basalt and granite are two types of igneous rocks that we can find on earth. 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. Characteristics of rocks include texture appearance color fracture streak hardness etc.

Its principle minerals include pyroxene feldspar and olivine. Basalt is an extrusive or intrusive rock that makes up most of the world s oceanic crust. The earth is 4 billion years old and any kind of rock can form just about anywhere. This specimen erupted from kilauea volcano in 1960.