How does the thickness of Earth’s oceanic crust compared to the thickness of the continental crust?
GeologyContinental crust is typically 40 km (25 miles) thick, while oceanic crust is much thinner, averaging about 6 km (4 miles) in thickness. The effect of the different densities of lithospheric rock can be seen in the different average elevations of continental and oceanic crust. Why thickness of continental crust is more than oceanic crust?
What is glacial abrasion?
GeologyGlacial abrasion is the wear of a bedrock surface by rock fragments transported at the glacier base. Glacial abrasion is the process of erosion caused by the movement of a glacier or ice sheet over underlying surfaces. This process results in the formation of striations or grooves, as well as the abrasion of rocks and
Is Kostal Cone active?
GeologyWith an elevation of 1,440 m (4,724 ft), Kostal Cone is one of the lowest volcanoes in the Wells Gray-Clearwater volcanic field. There has been activity at this site as recently as 7,600 years ago, though more likely less than 1,000 years ago. Is the dragon cone volcano active? Dragon Cone is a monogenetic cinder
Is there a volcano erupting in Iceland?
GeologyFagradalsfjall volcano in Iceland started erupting on March 19, 2021, and was active for six months. Although the eruption has stopped, the stunning crater and lava formations are still worth a visit. Is the Iceland volcano still erupting? Authorities in Iceland have officially declared the country’s longest volcanic eruption in 50 years over. Which volcano
How do we know that the seafloor is not old?
GeologyScientists use the magnetic polarity of the sea floor to determine the age. Very little of the sea floor is older than 150 million years. This is because the oldest sea floor is subducted under other plates and replaces by new surfaces. How do we know the age of the seafloor? Scientists can determine the
How are the layers of the Earth organized?
GeologyThe structure of the earth is divided into four major components: the crust, the mantle, the outer core, and the inner core. Each layer has a unique chemical composition, physical state, and can impact life on Earth’s surface.The structure of the earth is divided into four major components: the crust, the mantle, the outer coreouter
Is halite soluble in water?
GeologyIs halite easily soluble in water? Halite is very easily soluble in water as we all know because this mineral has a salty taste. It would have no taste at all, if it were not soluble. How does halite dissolve in water? Halite and some of the other salt minerals are highly soluble, so dissolve
What are the factors that affects transportation of particles?
GeologyFrom this experimental contribution, it arises that the particle concentration, flow velocity, deposition rate coefficient and longitudinal dispersion coefficient are important factors affecting the transport and deposition process of suspended particles in saturated porous media.Apr 13, 2017 What affects the transportation performance? The performance, design and operation of a transportation system is affected by several
What is the main difference between surface waves and body waves quizlet?
GeologyBody waves travel through earths interior while surface waves travel along the earths surface. Body waves travel more rapidly than surface wafes. What is the main difference between body waves and surface waves? The two main types of waves are body waves and surface waves. Body waves can travel through the Earth’s inner layers, but
What do the terms flow and basal slip mean?
GeologyWhat is the difference between plastic flow and basal slip? Plastic flow involves movement within the ice, whereas basal slip involves the entire ice mass slipping along the ground. Plastic flow occurs in the deeper parts of the ice mass, whereas basal slip occurs at the base of the glacier only. What is a basal