Title |
Comment |
Keywords |
Reconstructing Ancient Landscapes
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17:49 - 18:37 (00:48) / 1.0 MB
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"sedimentary rock", "clastic sediment", "sedimentary structure", geologist, "mud crack", "ripple mark", cross-bedding, landscape, "San Andreas Fault", "San Gabriel Fault", "Ridge Basin", "Southern California", basin, mountain
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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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Active Fault Scarp
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22:08 - 23:25 (01:17) / 2.1 MB
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"Cathy Busby-Spera", "sedimentary rock", "clastic sediment", "sedimentary structure", "Ridge Basin", "basin margin", "San Gabriel Fault", "active fault scarp", "coarse grained sediment", "grain size", "grain shape", "poor sorting", sand, cobble, angularity, transportation, sedimentologist, crust, "tectonic history"
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Geology School Keywords
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