Rainbow of Rocks PDF Download. Download free ebook of Rainbow of Rocks in PDF format or read online by Marjorie A. Chan,William Thomas Parry 9781557916815 Published on 2002-10 by Utah Geological Survey
Sunrise illuminates Colorado Plateau’s canyon country. In the early morning light, cliffs radiate a rich red glow, and a sculptured panorama of sandstone is revealed in a rich palette of crimson, vermilion, orange, salmon, peach, pink, gold, yellow, and white. Nearby are black, spherical rock marbles (iron concretions) collecting in small depressions, like puddles of ball bearings. These natural spherical balls have been called various names such as iron nodules, iron sandstone balls, or moki marbles. However, we use the name “iron concretion” to describe both the composition (iron oxide that is the dark mineral which cements the sandstone grains) and the formed shape (concretion). What paints the sandstone such rich colors? Why is red a dominant color? Where do the black marbles come from? How did the black marbles form? Is there a relationship between sandstone colors and the marbles? This booklet explores the answers to these questions and poses other questions yet unanswered.
This Book was ranked at 18 by Google Books for keyword Rocks.
Book ID of Rainbow of Rocks's Books is vL2dvjIh6gkC, Book which was written by Marjorie A. Chan,William Thomas Parry have ETAG "toWpJDwNV/E"
Book which was published by Utah Geological Survey since 2002-10 have ISBNs, ISBN 13 Code is 9781557916815 and ISBN 10 Code is 1557916810
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