What is the most powerful natural catastrophic event on record?

Asked by: Karen Handy Excessive rainfall over central China in July and August of 1931 triggered the most deadly natural disaster in world history — the Central China floods of 1931. What is the most powerful natural event? La Garita Caldera Eruption The most powerful eruption in the observable history of our planet the eruption

How to estimate the settling time of atmospheric particulates as a function of aerodynamic size?

Asked by: Christina Cornwell What is the relationship between particle size and settling time? The settling velocity, and, as a result, settling time, are proportional to the diameter of the spherical particle squared. The larger the sphere diameter, the faster the particle will settle. The smaller the particle diameter, the longer it will stay suspended

Interpreting a geological map

Asked by: Christina Cornwell How is a geologic map interpreted? The purposes of a geologic map are to show the surface distributions of rock units, the locations of the interfaces or contacts between adjacent rock units, the locations of faults, and the orientations of various planar and linear elements. (Standard geologic symbols are shown in

When metamorphic rocks undergo pressure, how are they changed?

Asked by: Richard Agosta 4 Answers. Show activity on this post. Metamorphic rocks are formed when a rock (sedimentary, igneous or a previous metamorphic rock) comes under high pressure and/or temperature. Pressure and temperature forces the atoms to form new minerals and thereby a new kind of rock. How does pressure change metamorphic rocks? Metamorphism

Is it ever possible for an continental plate to subduct under an oceanic plate?

Asked by: Richard Agosta Is it possible for a continental plate to Subduct beneath an oceanic plate? Neither continental crustcontinental crustIn geology, the term sial refers to the composition of the upper layer of Earth’s crust, namely rocks rich in aluminium silicate minerals. It is sometimes equated with the continental crust because it is absent

Has there ever been a study done on the effect of steam/thermal pollution on climate

Asked by: John Castaneda How does thermal pollution affect climate change? Such thermal pollution contributes to global warming until the global temperature has reached a level where this heat is also emitted to space. Heat dissipation from the global use of fossil fuels and nuclear power is the main source of thermal pollution. Is climate

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