What Hardens To Form New Rock At Mid-ocean Ridges? - Answers

hardens to form new rock at mid-ocean ridges. 126 Views. hardens to form new rock at mid-ocean ridges. hardens to form new rock at mid-ocean ridges. Answer. magma is the answer hope this help. To see more answers head over to College Study Guides. Virtual Teaching Assistant: Heather L.The Mid-Atlantic Ridge (MAR) is an underwater ocean ridge, that is a part of the largest mountain range in the world. In this article, we shall look at some interesting Mid-Atlantic ridge facts such as the process of its formation, its location, length, volcanoes, etc.Hardens to form new rock at mid-ocean ridges? Sea- Floor Spreading molten material erupts through the valley that runs along the center of some mid-ocean ridges. This material hardens to form the...Magma (or molten rock) from below mid-ocean ridges fills in the area where the tectonic plates are pulling apart, and the rock that forms when it hardens is usually basalt.Sedimentary Rock is formed as the sand, from the bottom of the ocean, keeps piling up in layers and then is cemented together by magma. Metamorphic rock is formed as heated rock, located near the mid-ocean ridge, is layered at the bottom of the ocean, then compressed by gravity. Question 8 120 seconds

How was the Mid-Atlantic Ridge Formed? - Science Struck

As new crust forms at mid-ocean ridges, tiny grains of magnetic minerals align themselves according to the Earth's magnetic field. As the rock cools, the alignment of these grains becomes permanent and provides evidence of the polarity of the Earth's magnetic field at the time of their formation. What are mid-ocean ridges?It begins at the mid-ocean ridge where molten material erupts, cools, and hardens to form new rock.Hardens to form new rock at mid-ocean ridges - 871772 Brainly User Brainly User 01/05/2016 Chemistry High School answered Hardens to form new rock at mid-ocean ridges 2 See answers Leader Leader The answer is magma. When underwater volcanoes erupt, they shoot out magma into the ocean. Sometimes, this magma hardens and forms islands.Magma hardens to form new rock at mid-ocean ridges. Log in for more information.

Where is new rock formed on the ocean floor? - Answers

Lava cools and hardens to form new rock at mid-ocean ridges.Magnetized crystals in new rock "record" the direction of Earth's magnetic field when the lava cools. Over time, more new rock forms and older rock moves away from the ridge.The rock stores a record of magnetic reversals as a series of "normal" (orange) and reversed magnetism (white) stripes.Along the middle of most oceans is a Mid-Oceanic ridge. Here, the ocean floor is spreading apart, and new magma cools to form new oceanic crust. When the magma cools, it records the magnetic field at the time. About every 100,000 years, the Earth's magnetic field reverses, so that the north pole becomes the south pole, and visa-versa.hardens to form new rock at mid-ocean ridges. seismograph. used to measure the density of the Earth's layers. fossils. used as evidence for continental drift. magnetic reversal. used as evidence for sea-floor spreading. compression. stress that squeezes a rock layer. uplift. the raising of a rock layer.On the basis of Tharp's efforts and other new discoveries about the deep-ocean floor, Hess postulated that molten material from Earth's mantle continuously wells up along the crests of the mid-ocean ridges that wind for nearly 80,000 km (50,000 miles) through all the world's oceans.The mid-ocean ridges of the world are connected and form the Ocean Ridge, a single global mid-oceanic ridge system that is part of every ocean, making it the longest mountain range in the world. The continuous mountain range is 65,000 km (40,400 mi) long (several times longer than the Andes, the longest continental mountain range), and the total length of the oceanic ridge system is 80,000 km

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