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How can you tell that the sandstone was not deposited on top of basalt layers?
The sandstone layer is older than the basalt. The older rock cannot be on top of the younger rock. The sandstone and the basalt (or basalt dike) are both deposited at the same depth.
The floor of heavier rock under the oceans is composed of?
basalt.
Is the oceanic crust made of sand?
no It is a very thick layer of igneous rock mostly basalt that lines the ocean floors, on top of that is a sediment layer of sand and the shells of dead crustaceans, and plankton.
Is basalt underground?
Basalt is an igneous rock formed at or near the surface. It can be drawn into the mantle through the movements of plates at subduction zones.
What is the dark colored rock the makes up most of the oceanic crust?
Basalt
What rock forms the mantle layer?
basalt
How can you tell that the sandstone was not deposited on top of the basalt?
The sandstone layer is older than the basalt. The older rock cannot be on top of the younger rock. The sandstone and the basalt (or basalt dike) are both deposited at the same depth.
What is the most abundant extrusive rock exposed layer upon layer at the Grand Candyon?
basalt
How can you tell that the sandstone was not deposited on top of basalt layers?
The sandstone layer is older than the basalt. The older rock cannot be on top of the younger rock. The sandstone and the basalt (or basalt dike) are both deposited at the same depth.
Which layer of rock would be most under pressure?
The deeper layer.
What rock has larger crystals than basalt and granite?
A pegmatite is a rock formed under certain favorable circumstances that enhance the crystal size of the rock. The crystals would be larger than those in basalt, an extrusive igneous rock, and granite, and intrusive igneous rock.
The floor of heavier rock under the oceans is composed of?
basalt.
Is the oceanic crust made of sand?
no It is a very thick layer of igneous rock mostly basalt that lines the ocean floors, on top of that is a sediment layer of sand and the shells of dead crustaceans, and plankton.
Is basalt a igneous metamorphic or sedimentary rock?
Basalt is an extrusive igneous rock.
Is basalt underground?
Basalt is an igneous rock formed at or near the surface. It can be drawn into the mantle through the movements of plates at subduction zones.
What is the dark colored rock the makes up most of the oceanic crust?
Basalt
What is a sentence using the word 'basalt'?
That rock was not Basalt, it was different. This is not a diamond, just a normal Basalt.
