Station #2-IGNEOUS ROCKS 1. 2. Examine the fine-grained and course-grained igneo
ID: 206314 • Letter: S
Question
Station #2-IGNEOUS ROCKS 1. 2. Examine the fine-grained and course-grained igneous rocks at this station. Describe the difference in how fine-grained vs.curse-grained igneous rocks 3. Which rock is typical of oceanic crust? which is typical of continental crust? What do you notice about the difference in density among these two types of 4. Sketch ONE fine-grained and ONE course-grained igneous rock. LabelU/describe the general characteristics of each rock ('note at least 3 How are igneous rocks formed? are formed. rocks? characteristics): the color (light or dark), luster, hardness, mineral content, mineral crystal grain size, specific gravity, etc. "Use Introduction to of Rocks handout.Explanation / Answer
1). Igneous rocks are one of the most important rock types. They are also called as “magmatic rocks” because they are formed by the solidified magma or larva due to the cooling effect after its release by the explosion of volcanos, melting of existing rocks by increase in temperature, or decreased pressure.