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53) Like most other liquids, water decreases in volume when it freezes. 54) Feldspars commonly decompose during weathering to clay minerals, silica, and soluble constituents. 55) Sheeting is mainly a process of mechanical weathering. 56) Ferromagnesian minerals (like olivine and pyroxene) that crystallize at high temperatures in Bowen's reaction series are generally much.

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  • 53) Like most other liquids, water decreases in volume when
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42) Slate and schist are both derived by metamorphism of shales and mudstones. 43) Hornfels are metamorphic rocks produced at great depths and high temperatures associated with regional metamorphism. 44) High-grade, regional metamorphism produces significant and recognizable changes in the textures and mineral compositions of rocks. 45) Calcite is the main mineral constituent.

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  • 42) Slate and schist both derived by metamorphism of shales
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ESSAY. Write your answer in the space provided or on a separate sheet of paper. Critical thinking and discussion questions. Use complete sentences, correct spelling, and the information presented in chapter 7 to answer the questions below. 68) Fossils often provide valuable information about climatic conditions of the geologic past. How else.

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  • ESSAY. Write your answer in the space provided or a
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TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 38) At high pressures and elevated temperatures of regional metamorphism, silicate rocks are more resistant to flowage and deformation than at low temperatures and pressures. 39) Metamorphic rocks formed during episodes of mountain building typically show textural.

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55) A feldspar-rich sandstone is called an arkose. 56) Graywacke sandstones are typically better sorted than sandstones lithified from ancient beach sands. 57) The chemical sedimentary rock, conglomerate, is composed of gravel-size, rounded, calcite oolites. 58) Peat is thought to be the original material from which coals are formed. 59) Many limestones are of.

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  • 55) A feldspar-rich sandstone called an arkose. 56) Graywacke sandstones typically
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ESSAY. Write your answer in the space provided or on a separate sheet of paper. 53) What type of stress (pressure) is illustrated in diagram B above? 54) What type of stress (pressure) is illustrated in diagram A above? Critical thinking and discussion questions. Use complete sentences, correct spelling, and the information presented.

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  • ESSAY. Write your answer in the space provided or a
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MATCHING. Choose the item in column 2 that best matches each item in column 1. Match the rock with the appropriate description. 49) coarse-grained, metamorphic rock with alternating bands or stringers of light and dark minerals 50) foliated, fine-grained metamorphic rock formed from mudstone and shale 51) nonfoliated metamorphic rock consisting mostly of.

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  • MATCHING. Choose the item in column 2 that best matches
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1) Which of the following environments would exhibit sheared and mechanically fragmented rocks? A) regional metamorphism of pyroclastic volcanic rocks B) intense compression in a deep-seated, regional metamorphic zone C) fault movements at shallow depths D) heating of shales and mudstones near a pluton 2) What major change occurs during metamorphism of limestone to marble? A).

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  • 1) Which of the following environments would exhibit sheared and
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TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 50) Detrital sedimentary rocks have clastic textures. 51) Chalk, coquina, and ancient coral reefs are primarily composed of microcrystalline quartz. 52) Detrital sedimentary rocks are classified according to clastic particle size; chemical sedimentary rocks are named according to.

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