Is the inner core the hottest part of the earth?
Geology and GeographyThe core is the hottest, densest part of the Earth. Although the inner core is mostly NiFe, the iron catastrophe also drove heavy siderophile elements to the center of the Earth. Which is the hottest part of the Earth? The hottest layer of the Earth is its innermost layer, the inner core. Is the inner
What are cross rocks?
GeologyThe staurolite mineral, also known as Fairy Cross or Cross Rock, is a natural but rare phenomenon found in only a few places around the world. About five U.S. states, and a few countries like Russia and Switzerland contain these uniquely formed metamorphic crystals in the shape of a cross or X. Where are cross
How are anticlines formed?
GeologyAn anticline is a structural trap formed by the folding of rock strata into an arch-like shape. The rock layers in an anticlinal trap were originally laid down horizontally and then earth movement caused it to fold into an arch-like shape called an anticline. Are anticlines formed by compression? Compression pushes rocks together. Anticlines and
How much are volcanic stone countertops?
Geology$250 to $350 per square foot$250 to $350 per square foot, it’s one of the most expensive countertop materials around, comparable to, or even exceeding, high-end marble. Most of the expense is due to the cost of shipping the stone. How much does volcanic stone cost? Most range in cost from $250-$300 per square foot,
Is 4.5 earthquake bad?
GeologyEvents with magnitudes greater than 4.5 are strong enough to be recorded by a seismograph anywhere in the world, so long as its sensors are not located in the earthquake’s shadow. Is a level 4 earthquake bad? Danger level 4 (high danger) Likelihood of severe damage to buildings. Less stable structures may also collapse. Damage
Which mineral can be found in the rocks Phylite sandstone and granite?
GeologyWhich mineral can be found in rocks phyllite sandstone and granite? Quartz is one of the most common minerals in the Earth’s crust. As a mineral name, quartz refers to a specific chemical compound (silicon dioxide, or silica, SiO2), having a specific crystalline form (hexagonal). It is found is all forms of rock: igneous, metamorphic
How do you classify rocks igneous metamorphic and sedimentary?
GeologyIgneous rocks are formed from melted rock deep inside the Earth. Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons. Metamorphic rocks formed from other rocks that are changed by heat and pressure underground. How do you classify rocks? CLASSIFICATION The classification of rocks is based on two criteria, TEXTURE
Where should a two story house be during an earthquake?
GeologyTwo-story apartment buildings may be safe if they were built to current safety standards, or they may be dangerous if they are located over a “soft story” such as a parking area and have not been retrofitted. The best way to endure an earthquake safely is to be prepared and follow earthquake safety tips. What
What is the rate of continental drift?
GeologyThe two continents are moving away from each other at the rate of about 2.5 centimeters (1 inch) per year. What is the speed of continental plates? They move at a rate of one to two inches (three to five centimeters) per year. Is continental drift speeding up? The researchers found the frequency with which
What is a slab of volcanic rock formed when magma is forced up and flows out as lava?
GeologyWhat is a slab of volcanic rock formed when magma is forced up and flows out as lava called? A B SILL A slab of volcanic rock formed when magma squeezes between layers of rock. BATHOLITH A mass of rock formed when a large body of magma cooled inside the crust. What is molten rock