Term
| when sediments become glued together, they form |
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Definition
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Term
| physical and chemical processes that break rock into rock & mineral fragments are |
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| the removal and transport of sediment |
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Definition
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| wind, moving water, gravity, and & glaciers |
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Definition
| four main agents of erosion |
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Term
| when minerals in rock are dissolved or chemically changed |
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Definition
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Term
| minerals remain chemically unchanged rock fragments break off the solid rock along fractures or grain boundaries |
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Term
| when sediments transported by water & wind deposit in layers with largest grains/particles in the bottom layer |
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Definition
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| when a mix of sediments is "dumped in a pile" by glaciers & landslides |
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| the physical & chem processes that transform sediments into sedimentary rocks; begins with compaction |
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| bends rock grains together |
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| commonly found in spaces between sand grains in sedimentary rock |
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Definition
| groundwater, oil, & natural gas |
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Term
| when new minerals grow between sediment grains & glues them together into solid rock |
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| examples of minerals formed in cementation |
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Term
| horizontal layering that ranges in thickness from a few mm. to several meters |
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| bedding that shows heavier/courser particles in bottom layers |
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| bedding formed as inclined layers of sediment that are deposited across a horizontal surface |
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Definition
| small-scale cross-bedding |
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| formed by migrating sand dunes |
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Definition
| large-scale cross-bedding |
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Term
| small ridges of sediment formed by wind or wave reaction or by a river current |
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Definition
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Term
| contain gravel-sized rock & mineral fragments, form any kind of rocks |
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Definition
| course-grained clastic rocks |
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Term
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Definition
| classification of clastic sedimentary rocks |
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Term
| contain rounded gravel pieces because they have traveled farther |
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| contain angular gravel pieces because they have been deposited closer to their source |
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Definition
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| contain sand-sized rock & mineral fragments |
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Definition
| medium-grained clastic rocks |
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Term
| percentage of open spaces between rock's grains |
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Definition
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Term
| sandstone's porosity makes it valuable as underground reservoirs of |
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Definition
| oil, natural gas, & groundwater |
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Term
| formed from deposits of loose sediments on Earth's surface; most common sedimentary rocks |
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| evaporates most commonly form in arid (dry) regions & in areas of low water flow |
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| formed from remains of once-living organisms |
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Definition
| biochemical sedimentary rocks |
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| most abundant biochemical sedimentary rock |
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| many types of limestone contain |
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Definition
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| lithifies into the biochemical sedimentary rock chert |
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Definition
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| process that produces clastic sediments |
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