Exam 6: Sedimentary Rocks

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Fill in the missing sediment names on the following table. Table 7.1 Particle Size Classification for Dentrital Rocks Size Range (millimeters) Particle Name Common Sediment Name Dentrital Rock <256 Boulder 64-256 Cobble Conglomerate 4-64 Pebble or breccia 2-4 Granule 1/16-2 Sand Sandstone 1/256-1/16 Silt Shale, mudstone or <1/256 Clay siltstone

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Flint, jasper, and travertine are microcrystalline forms of calcite.

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What are the chemical, physical and biologic changes called, that happen to sediments as they transform into sedimentary rocks ?

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Which characteristic is absolutely necessary for a sedimentary rock to have potential as a possible reservoir rock for oil or gas?

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Which statement concerning sedimentary rocks is false?

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What two important pieces of geologic information are principally contained in sedimentary rocks?

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A sedimentary deposit of angular rock fragments larger than "pea sized" would be called ________.

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Carefully observe each of the photographs below of sedimentary rocks.To the right of each sample, name the rock and describe its origin (how it formed). a)______________________________ Carefully observe each of the photographs below of sedimentary rocks.To the right of each sample, name the rock and describe its origin (how it formed). a)______________________________     b)______________________________     c)______________________________   b)______________________________ Carefully observe each of the photographs below of sedimentary rocks.To the right of each sample, name the rock and describe its origin (how it formed). a)______________________________     b)______________________________     c)______________________________   c)______________________________ Carefully observe each of the photographs below of sedimentary rocks.To the right of each sample, name the rock and describe its origin (how it formed). a)______________________________     b)______________________________     c)______________________________

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Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

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What is the main way that chert can form?

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How do unconsolidated sediments originate?

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Which sediment gets lithified to become conglomerate?

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Which of the following organisms would have used pebble- to cobble-sized gastroliths?

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Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. -Choose the option that does not fit the pattern.

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The study of depositional environments in sedimentary rocks is critical to understanding Earth's history.What features or characteristics of sedimentary rocks are unique to particular environments? What features are found in a variety of environments and are therefore less definitive for interpreting paleoenvironments?

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What proportion of sedimentary rocks are "limestones"?

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What are the three, most common, cementing agents for sandstones?

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________ is a form of calcium carbonate.

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What do dense crystalline rocks and shales have in common?

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How are sedimentary environments categorized or distinguished from each other?

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