What is the oldest rock?

Asked by: Victor Patton Earth’s oldest known rock is composed of the mineral amphibole, which contains abundant garnet, seen as large round “spots” in the rock. Where is the oldest rock? Hudson Bay, Canada Bedrock in Canada is 4.28 billion years old Bedrock along the northeast coast of Hudson Bay, Canada, has the oldest rock

What are some of Florida’s geological features?

Asked by: Neil Fleshman Learn more about each site by visiting the state park website or exploring the publications and articles in which each site is referenced. Devil’s Millhopper Geological State Park. Edward Ball Wakulla Springs State Park. Florida Caverns State Park. Windley Key Fossil Reef Geological State Park. Falling Waters State Park. What is

What is a small cave called?

Asked by: Karen Martin grot, grotto. a small cave (usually with attractive features) What is another name for a small cave? A grotto is a small cave, the kind of place where you feel comfortable, cozy, and protected from the harsh realities outside. This word started in Greek (as the word that also gives us

What is earthquake weather mean?

Asked by: Ted Higgins Why are earthquakes considered weather? This theory lead to a belief in earthquake weather, that because a large amount of air was trapped underground, the weather would be hot and calm before an earthquake. A later theory stated that earthquakes occurred in calm, cloudy conditions, and were usually preceded by strong

How do scientists believe the Earth’s four layers were formed?

Asked by: Christina Walker The Earth is composed of four different layers. Many geologists believe that as the Earth cooled the heavier, denser materials sank to the center and the lighter materials rose to the top. How were the four layers of the Earth formed? The major layers of the Earth, starting from its center,

What is assimilation in geology?

Asked by: Beth Gee Assimilation is the process whereby solid or fluid foreign material is incorporated into magma. The term implies no specific mechanism and the process depends on many factors, including temperature, cooling rate of the magma, gas pressure, and the composition of the material being assimilated. What does assimilation in geology mean? Assimilation

How did Lava help form the Columbia Plateau?

Asked by: Brian Hughes As the molten rock came to the surface, the earths crust gradually sank into the space left by the rising lava. The subsidence of the crust produced a large, slightly depressed lava plain now known as the Columbia Basin (Plateau). How was the Columbia Plateau formed? The plateau formed between 6

Why is weathering important to soil?

Asked by: Louis Beans Weathering breaks down and loosens the surface minerals of rock. Hence, the broken rocks are transported to another place where it decomposes and forms soil. Therefore weathering is important for soil formation.Mar 27, 2018 Why is weathering an important process in the formation of soil? Weathering describes the means by which

What are the three types of differential stress?

Asked by: Randel Armbruster Three kinds of differential stress occur. Tensional stress (or extensional stress), which stretches rock; Compressional stress, which squeezes rock; and. Shear stress, which result in slippage and translation. What are the three types of differential stress quizlet? List the three types of differential stress. Describe these changes. Compressional, tensional, shear. What

Why are amethyst different colors?

Asked by: Jennifer Hutchens Amethyst is a variety of quartz that appears in various shades of purple and violet. This unique hue is caused by the interaction of iron contained in each crystal and the gamma rays that pass through them. Is darker amethyst more valuable? Amethyst ranges in color from light, pinkish-purple to deep

1 808 809 810 811 812 1,520