Exam 12: Earth S Internal Structure, rock Cycle, and Geologic Time

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What is another name for the oceanic crust?

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Chemical sedimentary rocks that are predominantly quartz include

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The model that depicts how Earth materials are limited and that they change from one rock family to another is the __________.

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The dominant mineral in limestone is

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Much of the important organic deposits of the world date to the

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The three rock families are igneous,sedimentary,and metamorphic.

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Which of the following are intrusive igneous bodies?

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The entire geologic time scale is divided into epochs.

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Molten rock on the Earth's surface is

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Which of the following are examples of clastic sedimentary rocks?

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When limestone undergoes metamorphism,it becomes __________.

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A common rock-forming mineral is

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The Hadean,Archean,and Proterozoic comprise the time referred to as __________.

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This rock is ____[1]______,an [2] [3] rock that forms when nongaseous [4] cools so fast crystals cannot form. This rock is ____[1]______,an [2] [3] rock that forms when nongaseous [4] cools so fast crystals cannot form.    Answer 1 Choices basalt granite obsidian Answer 2 Choices extrusive intrusive Answer 3 Choices igneous metamorphic sedimentary Answer 4: lava magma Answer 1 Choices basalt granite obsidian Answer 2 Choices extrusive intrusive Answer 3 Choices igneous metamorphic sedimentary Answer 4: lava magma

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Rocks that form from broken rock fragments make rocks classified as

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The chemical sedimentary rock that is predominantly calcium magnesium carbonate is

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Metamorphic rocks that are foliated are layered or banded,and nonfoliated ones are fairly uniform in appearance.

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The rock that forms from the remains of plants and animals is

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The hole in the ground from which a volcano extrudes lava is called a dike.

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Surface salt residue that collects through the evaporation of water and the crystallization of the dissolved materials forms

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