Title |
Comment |
Keywords |
Sedimentary Rocks: The Key to Past Environments
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30 minutes / n.a.
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"sedimentary rock", "clastic sediment", "sedimentary structure", sand, water, deposition, erosion, "depositional environment", time, river, lake
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Sedimentary Structures
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11:49 - 12:27 (00:38) / 0.7 MB
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"Walter E. Reed", "sedimentary rock", "clastic sediment", "sedimentary structure", deposition, "depositional environment", erosion, transportation
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Depositional Environments of Cross-Bedding
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14:47 - 15:20 (00:33) / 0.6 MB
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"Walter E. Reed", "sedimentary rock", "clastic sediment", "sedimentary structure", "depositional environment", deposition, cross-bedding, river, interruption, progradation
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Mud Cracks
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16:36 - 17:49 (01:13) / 1.4 MB
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"Walter E. Reed", "sedimentary rock", "clastic sediment", "sedimentary structure", "mud crack", fissure, deposition, "depositional environment", "river bed", "tidal flat", desiccation, preservation, sand, river, "natural levee", floodplain, meander, "braided stream", delta, climate
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Ridge Basin
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18:37 - 20:06 (01:29) / 2.1 MB
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"Cathy Busby-Spera", "sedimentary rock", "clastic sediment", "sedimentary structure", "Ridge Basin", sedimentologist, lake, "fine grained sediment", "thin bed", water, "depositional environment", "river channel", continuity, limestone, microfossil, "fresh water", "mud crack", "ripple mark"
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Evidence of Rivers
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20:06 - 21:02 (00:56) / 1.4 MB
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"Cathy Busby-Spera", "sedimentary rock", "clastic sediment", "sedimentary structure", "Ridge Basin", lake, river, "depositional environment", "fine grained sediment", mud, delta, thickening, "coarsening upward sequence", bed, "thin bedded sandstone", "medium bedded sandstone", sand, "coarse grained sediment"
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Scour and Fill
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21:02 - 22:08 (01:06) / 0.9 MB
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"Cathy Busby-Spera", "sedimentary rock", "clastic sediment", "sedimentary structure", "Ridge Basin", "scour and fill", "water velocity", sandstone, sand, erosion, "depositional environment", "pebbly sand", "rip up fragment", "fluctuating current", "river channel"
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Geology School Keywords
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