Seafloor age 10my isochrons google earth kmz file of seafloor age with 10my isochrons.
Age of ocean floor kmz.
For that geologists date and study continental crust.
Seafloor spreading is happening at b.
Aug14 14 last modified.
This kmz file displays the age of the ocean floor in google earth.
Because of this correlation between age and subduction potential very little ocean floor is older than 125 million years and almost none of it is older than 200 million years.
What major seafloor feature is located at this.
The file contains 2 separated overlays contours and rainbow isochrons that can be displayed independently.
What color indicates the newest material.
The google earth data right is clearly higher resolution than that version of the scripps map left.
In this investigation we will be exploring the age of the ocean floor through using google earth.
Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.
Earth continental geology by era and sea floor physiography for google earth the earth continental geology by era kmz file 802kb references a set of tiled gif imagery representing earths continental geology colored by geological era and grayshade sea floor imagery compiled by the us geological survey.
Does the age of seafloor features change with time.
This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.
Therefore seafloor dating isn t that useful for studying plate motions beyond the cretaceous.
Ages for ocean floor between the oldest identified magnetic anomalies and continental crust are interpolated by geological estimates of the ages of passive continental margin segments.
This is a mid ocean ridge.
It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.
File 56290 is a 227kb kmz file uploaded.
How old is the ocean floor.
The scripps sea floor map has also been used to discover a new microplate in the indian ocean.
Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.
The age uncertainties for grid cells coinciding with marine magnetic anomaly identifications observed or rotated to their.
It was built to help understand the evolution of the earth s modern oceans across geological time.
Sea floor spreading answer key.
The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.
