0
What else can I help you with?
How would the age of the oldest rocks on the continents compare with the age of the oldest rocks on the seafloor if the rock on the continents is continually formed but not removed?
The oldest rocks on the continents would be much older than the rocks on the sea floor because the rocks on the continents are not being removed unlike the rocks on the sea floor that are made by the mid-ocean ridge are being removed by deep ocean trenches. this prossess that is occuring on the sea floor is called sea floor spreading. evidence of this is the Pacific ocean shrinking and the Atlantic ocean growing.
How does the banding pattern of rocks and the dating of these rocks give evidence of sea floor spreading?
The banding pattern of rocks on either side of mid-ocean ridges shows symmetrical stripes of magnetic reversals, indicating that new crust is formed at the ridge and then moves outward as tectonic plates diverge. This magnetic pattern correlates with the age of the rocks, with younger rocks found closer to the ridge and older rocks further away. The consistent dating of these rocks supports the theory of sea floor spreading, demonstrating that new oceanic crust is continuously generated while older crust is pushed away. Together, these patterns provide strong evidence for the dynamic processes of plate tectonics and sea floor spreading.
Process in which new sea floor forms as older sea floor is pulled apart?
sea-floor spreading
Where does the new rocks form on the sea floor?
Forms by lava from volcanoes on the sea floor
Strips of alternating magnetic polarities found in rocks in the ocean basin?
provide evidence for sea-floor spreading
Are older rocks on the ocean floor found near deep sea trenches?
Yes
Which theory explains why rocks found on the ocean floor are younger than found on continents?
Sea Floor Spreading
Which theory explains why rocks found on the ocean floor are younger than those. Found on continents?
Sea Floor Spreading
Why are sea floor rocks so young?
Sea floor rocks are young because of the process of seafloor spreading at mid-ocean ridges. As new oceanic crust forms at the ridges, older rocks get pushed further away. This continuous process creates a relatively young age for the sea floor rocks, with the oldest rocks being around 200 million years old.
Are the rocks that make up the ocean floor older or younger than those that make up the continents?
same age. the ice caps just melted on top over the rocks at the bottom of the sea.
How would the age of the oldest rocks on the continents compare with the age of the oldest rocks on the seafloor if the rock on the continents is continually formed but not removed?
The oldest rocks on the continents would be much older than the rocks on the sea floor because the rocks on the continents are not being removed unlike the rocks on the sea floor that are made by the mid-ocean ridge are being removed by deep ocean trenches. this prossess that is occuring on the sea floor is called sea floor spreading. evidence of this is the Pacific ocean shrinking and the Atlantic ocean growing.
How does evidence that rocks farther from a ridge are older than rocks closer to the ridge support the idea of sea floor spreading?
The evidence that rocks farther from a ridge are older than rocks closer to the ridge supports the idea of sea floor spreading because it aligns with the concept of a divergent boundary where new oceanic crust is continuously formed at the ridge and gradually moves away from the ridge over time. This process allows for the creation of age gradients in the oceanic crust, with the youngest rocks found near the ridge and progressively older rocks located farther away.
How old are the oldest rocks found on the sea floor?
Around 200 million years of age.
How does the banding pattern of rocks and the dating of these rocks give evidence of sea floor spreading?
The banding pattern of rocks on either side of mid-ocean ridges shows symmetrical stripes of magnetic reversals, indicating that new crust is formed at the ridge and then moves outward as tectonic plates diverge. This magnetic pattern correlates with the age of the rocks, with younger rocks found closer to the ridge and older rocks further away. The consistent dating of these rocks supports the theory of sea floor spreading, demonstrating that new oceanic crust is continuously generated while older crust is pushed away. Together, these patterns provide strong evidence for the dynamic processes of plate tectonics and sea floor spreading.
How did Harry Hess hypothesis explain seafloor spreading?
Harry Hess hypothesized that the sea floor was spreading. He explained it through the phenomena of the youngest rocks that are found only at the mid-ocean ridges. These rocks then, get progressively older when moving away from the ridge.
Process in which new sea floor forms as older sea floor is pulled apart?
sea-floor spreading
Where does the new rocks form on the sea floor?
Forms by lava from volcanoes on the sea floor
