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PCS Earth Science
Chapter 6 Review
Question | Answer |
---|---|
Sediments produced by weathering and erosion form sedimentary rocks through the process of _______________. | lithification |
The process of weathering, erosion, deposition, and lithification form _________ rocks. | sedimentary |
Sediments are lithified into rock by the processes of ___________ and cementation. | compaction |
_____________ are the remains or other evidence of once-living organisms that are preserved in sedimentary rocks. | fossils |
Sedimentary rocks are classified by their _____________. | mode of formation |
___________ rocks can be clastic, chemical, or biochemical. | sedimentary |
________ rocks form from sediments and are classified by particle size and shape. | clastic |
________ rocks form primarily from minerals precipitated from water. | chemical |
_______ rocks form from the remains of once-living organisms. | biochemical |
________ rocks form when preexisting rocks are exposed to increases in temperature and pressure and to hydrothermal solutions. | metamorphic |
The three main types of metamorphism are regional, contact, and _________. | hdrothermal |
The _________ of metamorphic rocks can be foliated or nonfoliated. | texture |
What is the set of processes through which rocks continuously change into other types of rocks? | rock cycle |
Compaction and cementation of clastic sediments result in ________. | lithification |
Sedimentary layers that are deposited on an angle are called ________. | cross-bedding |
Cooling and crystallization, igneous rocks, uplift, and weathering and erosion describe a path along the ___________. | rock cycle |
Hot fluids that come in contact with solid rock result in ___________. | hydrothermal metamorphism |
Which rock is foliated, shows mineral alignment but not banding, and contains medium-sized grains of quartz and pyroxene? | schist |
Which sedimentary rock is most likely to be changed to slate during regional metamorphism? | shale |
Rocks can be classified as sedimentary, igneous, or metamorphic based primarily upon differences in their ________. | origin |