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GLY3163 Questions Exam And Accurate Answers
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GLY3163 Questions Exam AndAccurate Answers
Most tectonic plates are composed of both oceanic and continental crust? - Answer
True
Metamorphic rocks form from magma - Answer False
Sedimentary rocks form from particles of which type of rock? - Answer All of these
three: sedimentary, metamorphic, igneous
A normal fault forms when the crust is compressed - Answer False
Igneous rocks form from solidification of magma inside or on the surface of the crust -
Answer True
The Grand Canyon Supergroup was deposited in Precambrian time when North America
was extended and rifted? - Answer True
Which rock unit of the layered Paleozoic rocks in the upper part of Grand Canyon was
not deposited in a marine environment? - Answer Coconino Sandstone
An unconformity always results in an angular relationship between the rock layers
above and below the unconformity? - Answer False
The Great Unconformity always occurs between the Cambrian Tapeats Sandstone and
the Vishnu Basement rocks? - Answer False
During a rise in sea level (transgression) waht is the typical sequence of rock layers that
are deposited? - Answer Sandstone, shale, limestone
Which of the following are sections of rocks in the Grand Canyon? - Answer Vishnu
basement rocks, Grand Canyon supergroup, and Paleozoic layered sedimentary rocks
Frost wedging is not an effective mechanism for forming rock windows - Answer False
The Claron Formation is composed of beds of what type or types of sedimentary rocks? -
Answer Limestone, mudstone, sandstone, conflomerate
The thick units of cross-bedded sandstone that make up the Navajo Formation were
formed in what depositional environment? - Answer desert sand dunes
Zion Canyon was eroded by this river - Answer Virgin
The transition from the slot canyon of the "Narrows" to the broader Zion Canyon occurs
after the river erodes through the Navajo Sandstone into the Kayenta Formation -
Answer True
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