how energy flows through an ecosystem
How Energy Flows Through An Ecosystem? Energy flows thr...
|The crust and upper mantle make up the Earth’s ___________.||lithosphere|
|The youngest material of the ocean floor is found at mid-ocean __________.||ridges|
|Less dense plates of the lithosphere float on the _______.||asthenosphere|
|The results of plate movement can be seen at ________.||plate boundaries|
Where is the youngest seafloor in that ocean? The youngest seafloor is almost exactly in the middle of the Atlantic Ocean. The youngest ages extend the entire length down the center of the ocean basin. 3.
They found that the youngest rocks on the seafloor were at the mid-ocean ridges. The rocks get older with distance from the ridge crest.
They found that the youngest rocks on the seafloor were at the mid-ocean ridges. The rocks get older with distance from the ridge crest. The scientists were surprised to find that the oldest seafloor is less than 180 million years old.
An astonishing new rock formation has been revealed in the Colorado Rockies, and it exists in a deeply perplexing relationship with older rocks. Named the Tava sandstone, this sedimentary rock forms intrusions within the ancient granites and gneisses that form the backbone of the Front Range.
The youngest crust of the ocean floor can be found near the seafloor spreading centers or mid-ocean ridges. As the plates split apart, magma rises from below the Earth’s surface to fill in the empty void. … Like any rock, the plates of basaltic composition become less thick and denser as they cool.
The youngest crust (shown in red) is near mid ocean ridges and spreading zones. All three rock types in the earth’s crust—igneous, sedimentary, and metamorphic—can also be recycled back to their original molten magma form. This process occurs when oceanic crust is pushed back into the mantle at subduction zones.
The oldest seafloor is comparatively very young, approximately 280 million years old. It is found in the Mediterranean Sea and is a remnant of an ancient ocean that is disappearing between Africa and Europe.
Indian Ocean, body of salt water covering approximately one-fifth of the total ocean area of the world. It is the smallest, geologically youngest, and physically most complex of the world’s three major oceans (Pacific, Atlantic, and Indian).
Found the youngest rocks are closest to mid ocean ridges, rocks get older the further they are away from the ridge by taking rock samples from the ocean floor.
Explanation: Mid Ocean ridges are the source of new crustal material. It is thought that convection currents brings fresh magma to the surface at the divergent boundaries The youngest part of the world crust is found in oceanic crust next to the mid ocean ridges.
Aside from volcanoes, the youngest rock material in a particular area is most likely towards the top of the many layers of Earth’s crust. In contrast, some of the oldest rock material on Earth is at the very bottom of the ocean.
The newest, thinnest crust on Earth is located near the center of mid-ocean ridge—the actual site of seafloor spreading.
The law of superposition states that rock strata (layers) farthest from the ground surface are the oldest (formed first) and rock strata (layers) closest to the ground surface are the youngest (formed most recently). A fossil is the remains or traces of plants and animals that lived long ago.
Seafloor spreading or Seafloor spread is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.
A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. This uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.
Midocean ridges, transform faults and fracture zones are the key surface features produced by seafloor spreading.