Igneous Rock and Ecuador

Topics: Igneous rock, Rock, Sedimentary rock Pages: 3 (961 words) Published: January 9, 2011
Ecuador Essay

Ecuador is a very fascinating country. Scientists can use the past information about the geography to figure out the future. For instance, learning how the land has transformed over time in Ecuador may lead to a continuous pattern. Other things that scientists use are tools and techniques. Identifying various rocks and minerals, discovering how the land has been changed, and observing mountain formations and fossils also help to figure out patterns. All of these things allow scientists predict, accurately, what the Earth’s crust will do in the future.

Many things about Ecuador’s future landscape can be told through what has happened in the past. When volcanoes are active they erupt and produce lava (called magma when inside the volcano). The lava eventually cools off and leaves a thick layer of igneous rock on the surface. The numerous volcanoes in Ecuador means the soil is very fertile, because the ashes from eruptions act like fertilizer. Therefore it has produced the Amazon Rainforest. Also, volcano lava can create islands. Islands made of lava can be found in Ecuador. Another way Ecuador’s terrain has been transformed through earthquakes. This is because earthquakes cause the Earth’s tectonic plates to crack. Cracks can either create valleys or mountains. These patterns can lead to different kinds of terrain in Ecuador (in the future).

Different types of minerals can be used to tell what will happen to the Earth’s crust in the future. By investigating different minerals in your area, you can understand how they were formed. Knowing when and how they, for instance volcanic minerals, were formed, like by a volcano, scientists can tell when the next “event” will occur. The Moh’s Hardness Scale can help you tell what types of minerals there exist, based on how hard it is to break them. This scale goes from one to ten (one being the softest, ten the hardest). Minerals can also be differentiated by their shape. Some of the shapes are...
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