What does the presence of leucine, or other feldspathoids, in an igneous rock tell you about the melt from which it formed?
What does the presence of leucine, or other feldspathoids, in an igneous rock tell you about the melt from which it formed?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Question
What does the presence of leucine, or other feldspathoids, in an igneous rock tell you about the melt from which it formed?
Expert Solution
Step 1: Introduction
Igneous Rock :- Igneous rock is a type of rock that forms from the solidification and cooling of molten material called magma or lava.
Feldspathoids :- Feldspathoids are group of minerals that are chemically similar to feldspar but have different crystal structure. Feldspathoid minerals are usually found in certain types of igneous and metamorphic rocks with low silica content.
Examples of feldspathoid minerals :- Leucite, Nephaline, Sodalite, Cancrinite.
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