Some minerals can often be identified based on a single property. Which common mineral has a resinous luster?
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Which layer of Earth can move internally or flow to allow th…
Which layer of Earth can move internally or flow to allow the plates to move around and above it?
What evidence was discovered by Galileo that prove that Eart…
What evidence was discovered by Galileo that prove that Earth could not be the center of the Universe?
Which of these formed because of a hot spot?
Which of these formed because of a hot spot?
Minerals must, by definition, be crystalline. What does this…
Minerals must, by definition, be crystalline. What does this mean? Give three examples of solid geological materials that are not crystalline.
Which is associated with diverging tectonic plates?
Which is associated with diverging tectonic plates?
Most plate divergence takes place at mid-ocean ridges. But,…
Most plate divergence takes place at mid-ocean ridges. But, where else does it occur?
Why are deposits of calcite common in caves? They often form…
Why are deposits of calcite common in caves? They often form stalactites, stalagmites, and other cave formations. But other minerals do not form such formations. Why?
Which of these is an exceptionally coarse grained kind of ig…
Which of these is an exceptionally coarse grained kind of igneous rock?
What is the Moho? What is the difference between the kinds o…
What is the Moho? What is the difference between the kinds of rock above and below the Moho? The Moho is called a discontinuity. What does this mean? Are there any other important discontinuities within Earth? Explain.