What is slumping in geography?
Regional SpecificsA slump is a form of mass wasting that occurs when a coherent mass of loosely consolidated materials or a rock layer moves a short distance down a slope. Movement is characterized by sliding along a concave-upward or planar surface. What is the definition of slumping in geography? slump, in geology, downward intermittent movement of
What are two ways igneous rocks are formed?
Regional SpecificsThe two main categories of igneous rocks are extrusive and intrusive. Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet. How are the igneous rocks are formed? Igneous
When did the mudslide happen in California?
Regional SpecificsJanuary 9, 2018 Homes and streets of a neighborhood affected by the Santa Barbara County mudslides Date January 9, 2018 Location Southern California, United States Cause Soil saturation from heavy rainfall, and deforestation due to recent wildfires Deaths 23 What caused the mudslide in California? The Thomas Fire began near Santa Barbara in December 2017
What is open stoping?
Regional SpecificsStoping is practiced in underground mineral mining when the surrounding rock is strong enough to permit the drilling, blasting, and removal of ore without caving. In mines where the rock requires no artificial support, the operation is known as open stoping. What is stoping method? Stoping is the process of extracting the desired ore or
What is mineral Pleochroism?
Regional SpecificsPleochroism or dichroism is the change in color evident as the mineral is rotated under plane-polarized light. The primary cause of dichroism or pleochroism in minerals is due to adsorption of particular wavelengths of light. What do you mean by pleochroism? pleochroism, (from Greek pleiōn, “more,” and chrōs, “colour”), in optics, the selective absorption in
Which rock withstands weathering well and is often used for statues?
Regional SpecificsMarble carves easily and resists breakage, suiting it well for fine art or decorative sculpture. The metamorphic version of sedimentary limestone and calcite deposits, marble naturally occurs in white, pink, green, gray, brown and black, depending on the other minerals present during its formation. Which two types of rocks are used to make sculptures? Alabaster