How are stalactites formed in caves?
GeologyStalactites and stalagmites form when rainwater drips through limestone rock. Along the way, it picks up carbon dioxide, from the air and from any organic matter it passes as it dribbles down, according to the National Park Service. The carbon dioxide reacts with the water to make a weak acid called carbonic acid. How are
Do geysers cause earthquakes?
GeologyThe operators of the geothermal field are withdrawing mass (steam boiled from water) and heat, both of which cause the surrounding rock to contract, which in turn can induce earthquakes as a result of the contractional stresses. What causes earthquakes? Earthquakes are the result of sudden movement along faults within the Earth. The movement releases
How do you shear a wall?
GeologyWhat are shear walls and how do they work? A shear wall is a general term for a wall that is designed and constructed to resist racking from forces such as wind using masonry, concrete, cold-formed steel, or wood framing. Shear walls significantly reduce the sway of a structure to reduce damage to the structure
What ocean has no earthquakes around the edges?
GeologyDo earthquakes occur around the coastline of all oceans? Do earthquakes occur around the coastlines of all oceans? Earthquakes occur everywhere – so, at least, it seems. Temblors happen on all continents and beneath the deep oceans. They shake the world’s highest mountains, the Himalayas, and the Earth’s deepest valley, the Dead Sea. Where are
What are the types of sediments?
GeologyThere are three types of sediment, and therefore, sedimentary rocks: clastic, biogenic, and chemical, and we differentiate the three based on the fragments that come together to form them. Let’s take a look at the first type mentioned, which was clastic. Clastic sediments are composed of fragments of rock. What are the 4 types of
What is a rock correlation?
GeologyCorrelation is the technique of piecing together information from widely separated rock outcrops in order to create an accurate chronological profile of an entire geologic time period. What is an example of rock layers correlation? Widespread Rock Layers They are matched up by correlation. For example, the famous White Cliffs of Dover are on the
What causes a pyroclastic flow?
GeologyA pyroclastic flow is extremely hot, burning anything in its path. It may move at speeds as high as 200 m/s. Pyroclastic flows form in various ways. A common cause is when the column of lava, ash, and gases expelled from a volcano during an eruption loses its upward momentum and falls back to the
What is the cause of Geodynamo?
GeologyIt is caused by electric currents which are generated in the same way as with a self-excited dynamo: by the movement of an electrical conductor in a magnetic field. This ‘geodynamo’ is driven by the thermal convection of the liquid iron inside the Earth. What does the geodynamo do? Circulation in Earth’s molten outer core
Who is Camp Blanding named after?
GeologyGen. Albert Hazen BlandingGen. Albert Hazen Blanding, active Florida Guardsman and President Roosevelt’s National Bureau Chief from 1936-1940, the new camp was named Camp Blanding. What were the main uses for Camp Blanding one of Florida’s largest military bases during WWII? During the conflict’s later stages, the camp served as an Infantry Replacement Training Center.
What are the major volcanic zones?
GeologyThere are three major zones of volcanic activities in the world. They are: The Circum – Pacific belt. The Mid continental belt. The Mid Atlantic belt. What are the three major volcano zones? There are three types of volcanoes: cinder cones (also called spatter cones), composite volcanoes (also called stratovolcanoes), and shield volcanoes. Where are