answer this question:
suppose you have two igneous rocks containing mostly light colored minerals. one has large mineral gains. the other has small grains. classify and identify the two rocks. which rock took a longer time to form? how do you know? which took longer to form?
please answer soon.
Here are a number of sites on igneous rock formation and types. I am sure you will find the information you need.
http://www.google.com/search?hl=en&ie=ISO-8859-1&q=Igneous+rock&btnG=Google+Search&aq=f&oq=&aqi=
Remember, we do not do your work for you. It says Homework HELP, not done for you.
i know i only want help with the question, not the answer. that would be cheating!
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To classify and identify the two rocks, we can use the information provided. We know that both rocks contain mostly light-colored minerals, but one has large mineral gains while the other has small grains.
Based on this information, the rock with large mineral grains is likely a coarse-grained igneous rock, whereas the rock with small grains is probably a fine-grained igneous rock.
Determining which rock took a longer time to form requires additional information about the rock formation process. However, in general, coarse-grained igneous rocks typically take longer to form than fine-grained igneous rocks.
To further classify and identify these rocks, it would be helpful to know about the mineral composition, texture, and any other distinguishing features. You may need to conduct visual examinations, analyze their chemical composition, or use specialized equipment such as a petrographic microscope or X-ray diffractometer.
To get a definitive answer on which rock took longer to form, it is crucial to consider other factors such as the cooling rate, depth of formation, and the presence of any secondary features such as mineral growth or deformation. Consulting geological textbooks, scientific articles, or seeking the opinion of an expert geologist can provide a more accurate determination.