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Learning To Use A Geologic Map

By Betty Allen


As you begin to study geology for the first time and come into contact with a wide variety of different elements, you'll want to make sure you know how to explore the terrain near your university. A well-made geologic map will give you all the information you need to succeed in your field work when you finally have a chance to hit the great outdoors without your rock hammer.

Most maps will be color coded so that you can see which rock layers belong to which era. In fact, if you want to know where Jurassic outcrops are located within the United States, for example, you can quickly look for the appropriate color. This should help you find the areas where Jurassic rocks occur at the surface, which will be key if you are researching dinosaurs.

When exploring in the field, it is best to roll up your maps loosely and then keep them in a closed position with a rubber band. This will protect the paper from wear and tear and enable you to more easily reach your destination. Once out in the forest, you can unfurl the paper and examine it on a table or other flat surface for maximum effect.

Online science retailers will offer plenty of chances to buy what you are looking for. If you are in charge of the geology department at a college or university, you can place a bulk order. Even large orders of several dozen maps should be shipped to your university department within a few short days so that your students can begin using them in their projects.

Taking a few classes on the side can help you learn a lot more about things like volcanoes. Volcanoes vary in how explosive they can be, and ones that are located near tectonic boundaries are likely to be more dangerous. Lava flows and other volcanic debris can be quite interesting to study once they have cooled.

Mountain building episodes are also fascinating and offer a way to learn about how the great ranges of the Earth came together. If you are going to be doing a bit of geologic work in the Appalachians, you'll want to learn about how stress and strain can create metamorphic rocks. Some minerals are often closely associated with certain kinds of mountain building events.

Having a basic idea of how the solar system formed can also help you instill this knowledge in your students. The most widely accepted theory is that the solar nebula collapsed in on itself and began to rotate. Gravitational attraction allowed matter to collect to eventually form both the inner and outer planets. One of these rocky inner planets became the Earth.

You will want to choose a good map by first looking over your options. As long as the colors are bright and stand out, you should be able to use it for lots of different projects. Take care of the paper itself so that it remains in good shape for several semesters so that the students can use it.




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