Compare and contrast detrital and chemical sedimentary rocks. Provide specific examples of each group. What will be an ideal response?
The student should recognize that detrital sedimentary rocks are made of detritus, including
fragments of other rock types and weathering products. In contrast, chemical sedimentary
rocks are composed of minerals derived from solutions. Examples of detrital sedimentary
rocks may include sandstones and breccias. Examples of chemical sedimentary rocks may
include limestones and evaporites.
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Which of the following statements about tectonic plates is true?
a) Few tectonic plates contain both oceanic and continental lithosphere. b) All tectonic plates contain both oceanic and continental lithosphere. c) Most tectonic plates contain both oceanic and continental lithosphere. d) No tectonic plates contain both oceanic and continental lithosphere.
Besides iron, banded iron formations contain
A) quartz B) calcite C) magnetite D) chert E) shale
Which of the following are NOT common in braided streams?
a. point bars b. clay plugs c. meander scrolls d. all of the above
Russia and then the Soviet Union repeatedly triumphed over powerful invaders, often losing territory and battles early on, but eventually inflicting a crushing and decisive defeat to invaders. What are four reasons for their success?