Category: Regional Specifics

What is the difference between surface mining and deep mining?

Surface mining can be done on the surface, such as mountain top, beaches. Underground mining is done by digging tunnels to extract minerals that are too far underground to be reached from surface mining. In alluvial mining, minerals are extracted by dredging alluvial deposits. What is the difference between surface mining and mining? Surface mining

What do you mean by Moho discontinuity?

The Moho is the boundary between the crust and the mantle in the earth. This is a depth where seismic waves change velocity and there is also a change in chemical composition. Also termed the Mohorovicic’ discontinuity after the Croatian seismologist Andrija Mohorovicic’ (1857-1936) who discovered it. Where is the Moho discontinuity? Moho, or Mohorovičić

What principle did the studies of James Hutton and Charles Lyell contribute to?

James Hutton. Along with Charles Lyell, James Hutton developed the concept of uniformitarianism. He believed Earth’s landscapes like mountains and oceans formed over long period of time through gradual processes. What was the contribution of Hutton and Lyell? Terms in this set (72) How did Hutton’s and Lyell’s ideas influences Darwin’s thinking about evolution? They

What are the different types of igneous rocks?

The 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. What are the 4 types of igneous rocks?

When was the last major earthquake in New Zealand?

Canterbury, 2010 (7.1) and 2011 (6.3). While the 2010 earthquake was larger, the 2011 earthquake was more devastating in Christchurch city. Most of the 185 people who died in the 2011 quake were killed in collapsed buildings. Kaikōura, 2016 (7.8).Canterbury, 2010 (7.1) and 2011 (6.3). While the 2010 earthquake was larger, the 2011 earthquake2011 earthquakeOn

Where is the geodesic dome?

Geodesic domes can be seen around the world, including: The American exhibit at Expo 67 in Montreal. The largest geodesic dome at 216m in Fukuoka, Japan. Epcot Centre’s Spaceship Earth centre.Feb 2, 2022 Where are geodesic domes used? Geodesic domes are used as residential homes, greenhouses, warehouses, water reservoirs and entertainment spots. Where is the

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