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Where can plate boundaries be located?

Tell me the different things that are common cements which hold the grains together in sedimentary rocks. Which one will react with acid?

In the seafloor, the rock areas with negative magnetic anomalies were formed when the Earth’s magnetic field was:

Minerals in geodes are often pretty and well formed, with smooth surfaces. They can be described as:

How can you tell the hardness of a mineral?

Occasionally The Earth is struck by a comet or an asteroid, as pictured below. What type of metamorphism does this cause?image0015e5053c4.jpg

As rock is heated up which of the following will melt first?

Which magma body cools the fastest?

Sills, dikes, and plutons are all examples of what kinds of rock setting?

Describe the level of sediment sorting cause by glaciers and explain why it is sorted that way.