on April 2, 2022
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
on April 2, 2022
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
on April 2, 2022
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
on April 2, 2022
Is Azomite glacial rock dust?
GeologyAzomite is very different from the few glacial rock dust products on the market. AZOMITE is a mineralized, compacted volcanic ash in origin and is volcanic rather than glacial. Is AZOMITE the same as volcanic ash? AZOMITE® is a mineralized, compacted volcanic ash in origin, which makes it volcanic rather than glacial. Is AZOMITE the
on April 2, 2022
Which physical layers correspond to which compositional layers?
GeologyThe physical layers exactly match the compositional layers. The crust is the only compositional layer not included in the physical layers. The physical layers of the inner core and outer core form a single compositional layer. The physical layer of the asthenosphere includes the compositional layer of the crust. What are the 3 main compositional
on April 2, 2022
What is petrification Permineralization?
Geologypermineralization: form of fossilization in which minerals are deposited in the pores of bone and similar hard animal parts. petrification: process by which organic material is converted into stone through the replacement of the original material and the filling of the original pore spaces with minerals. What is the difference between permineralization and petrification? One
on April 2, 2022
What is the definition of divergent boundaries?
GeologyWhat is the meaning divergent boundary? Divergent boundaries — where new crust is generated as the plates pull away from each other. Convergent boundaries — where crust is destroyed as one plate dives under another. Transform boundaries — where crust is neither produced nor destroyed as the plates slide horizontally past each other. What’s a
on April 2, 2022
What is meant by rock forming minerals?
Geologyrock-forming mineral, any mineral that forms igneous, sedimentary, or metamorphic rocks and that typically, or solely, forms as an intimate part of rock-making processes. How do you identify rock forming minerals? Properties that help geologists identify a mineral in a rock are: color, hardness, luster, crystal forms, density, and cleavage. Crystal form, cleavage, and hardness
on April 2, 2022
When was the Paleocene epoch?
Geologybetween 66 million and 56 million years agoPaleocene Epoch, also spelled Palaeocene Epoch, first major worldwide division of rocks and time of the PaleogenePaleogenePaleogene is Greek meaning “ancient-born” and includes the Paleocene (Palaeocene) Epoch (66 million to 56 million years ago), the Eocene Epoch (56 million to 33.9 million years ago), and the Oligocene Epoch
on April 2, 2022
What is meant by principle of superposition?
GeologyThe superposition principle states that when two or more waves overlap in space, the resultant disturbance is equal to the algebraic sum of the individual disturbances. What’s the meaning of principle of superposition? law of superposition, a major principle of stratigraphy stating that within a sequence of layers of sedimentary rock, the oldest layer is