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What happens when rock fall or slide down a cliff?
It falls and break
What are eroded rock fragments and shells of marine creatures called that pile up on the seafloor?
Basalts
What is molten rock that flows onto the seafloor and hardens as it cools?
Molten rock that flows onto the seafloor and hardens as it cools is called basalt. Basalt is the most common type of lava erupted at mid-ocean ridges and forms the oceanic crust.
If the east pacific rise is the source of new rock which trench would contain the oldest rock?
The oldest rock would be found in the Mariana Trench, which is located in the western Pacific Ocean. As the East Pacific Rise creates new oceanic crust through seafloor spreading, the older crust moves away from the ridge and eventually gets subducted at trenches like the Mariana Trench. This process results in the trench containing some of the oldest oceanic rock, as it represents the remnants of the Earth's crust that have been pushed into the subduction zone.
What causes paleomagnetic patterns on the seafloor?
Paleomagnetic patterns on the seafloor are caused by the movement of tectonic plates. As the seafloor spreads at mid-ocean ridges, molten rock solidifies to form new crust containing minerals aligned with the Earth's magnetic field. Over time, Earth's magnetic field reverses, leaving a record of these changes in the seafloor's magnetic stripes.
What happens to rock after it breaks down?
it turns into sediment
What happens to the magna when it cool down?
It turns into rock.
How does the age of seafloor sediments change with increasing distance from the ocean ridge?
Age of seafloor rock and sediment increases with distance from the oceanic ridges.
What happens when magma is cooled down fast?
It will be an igneous rock
How does continental rock differ from seafloor rock?
Continental plates are massively granitic rock, oceanic plates massively basaltic rock, therefore continental rock is less dense than seafloor rock and has a different chemical and mineralogical composition.
What happens to the sedimentary rock layers that first formed over the ancient rock?
they are pushed down
What happens when rock fall or slide down a cliff?
It falls and break
What happens to bits of rock when you water carrying them slows down?
erosion
Are volcanoes constructive?
Yes. What happens is when the lava cools down, it turns into rock.
What happens to the pieces of rock when it is broken down by wind?
Erosion/gathering which generates sand.
How do the ages of the rocks on the seafloor support the theory of seafloor spreading?
The ages of the rocks become older the farther the way they are from the ridges. The closer they are the younger it is. This leaves evidence to the seafloor spreading theory.
How do you get HM7 in Pokemon emerald?
Seafloor Cavern. To get there you need surf and dive, and once in there you will need strength and rock smash. Seafloor Cavern can be found underwater in route 128.
