Why do glaciers make U shaped valleys?
Regional Specificsglacial valleys valley is converted to a U-shaped valley because the U-shape provides the least frictional resistance to the moving glacier. Because a glacier has a much greater viscosity and cross section than a river, its course has fewer and broader bends, and thus, the valley becomes straighter and smoother. What causes wide U-shaped valleys?
What type of rocks are found in Hawaii?
Regional SpecificsThese rocks include: andesite, basalt, dacite, obsidian, pumice, rhyolite, scoria, and tuff. What are the most common rocks in Hawaii? Basalt. (Image credit: USGS.) The Hawaiian Islands are almost entirely built from basalt lava, the most common rock on Earth. What Stone is Hawaii known for? Black coral is the state gem of Hawaii. Harvested
When was last earthquake in Italy?
Regional SpecificsWhen was the last earthquakes in Italy? Earthquakes in Italy since 1950 Date Region Magnitude 10/30/2016 Norcia 6.6 10/26/2016 Visso, Ussita 6.1 08/24/2016 Accumoli, Arquata, Amatrice 6.2 05/29/2012 Emilia Romagna (Medolla, Mirandola, Cavezzo) 5.9 Where was the last earthquake in Italy? THE Metro and some schools have been evacuated after a number of earthquakes struck
What is a plate boundary in science?
Regional SpecificsA plate boundary is a three-dimensional surface or zone across which there is a significant change in the velocity (speed or direction) of motion of one lithospheric plate relative to the adjacent lithospheric plate. What is plate boundary short answer? Also called lithospheric plate. site of tectonic plates sliding next to each other in opposite
What is long hole stoping?
Regional SpecificsLong hole stoping as the name suggests uses holes drilled by a production drill to a predetermined pattern as designed by a mining engineer. Long hole stoping is a highly selective and productive method of mining and can cater for varying ore thicknesses and dips (0 – 90 degree). What is long hole open stoping?
What plates caused Mt St Helens to erupt?
Regional SpecificsMount St Helens is located on a destructive plate boundary where two plates are squeezing towards each other. The eruption was caused by the ocean crust (Juan de Fuca plate) subducting under the continental crust (North American plate). The ocean crust was destroyed and formed magma which rose to the surface. What caused Mount St.