Lecture22_depositional systemsI

Lecture22_depositional systemsI - In lab this week: a field...

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In lab this week: a field trip in Austin. Please wear shabby clothing.
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Fresh water/Water Cycle/Key environments
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The water cycle
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Fig. 23-1
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Environments in Fig. 23-1 1. Highlands and lowlands 2. Alluvial plains 3. Carbonate reefs 4. Deltas 5. Barrier Islands 6. Continental shelf and slope 7. Deep sea fans
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1. Highlands: mountainous region (erosion)
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1. Lowlands: broad expanse of land with a general low level
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2. Alluvial plain: flat landform created by the deposition of sediment
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2. Alluvial plain: flat landform created by the deposition of sediment
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3. Carbonate reef: made up of calcite La Popa lentil is a big carbonate reef (limestone bed made by corals and algae), La Popa basin, Mexico
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4. Deltas where running water enters standing water
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5. Barrier islands: narrow strips of sand that parallel the mainland coast Mississippi-Alabama barrier islands
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6. Continental slope and shelf 7. Deep sea fan Deep sea fan
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Fresh water/Water Cycle/Key environments
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Dip-fed: water flows down to the stream
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Strike-fed: water flows horizontally Dip fed Strike fed
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Fresh water/Water Cycle/Key environments
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Fig. 23-2
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Fig. 23-2 1. Tributary 2. Drainage divide 3. Drainage basin 4. Delta, distributive network
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1. Tributary: any stream or river that contributes water to another stream
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2. Drainage basin: The area that contributes water to a specific water body. Texas drainage basins
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3. Drainage divide: The boundary between adjacent drainage basins (green dashed line)
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th largest in the world according to discharge, including its two major tributaries, the Missouri and Ohio Rivers. Green is the contributive network; black is the distributive network—the Mississippi delta. Fig. 23-3
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This note was uploaded on 07/07/2010 for the course GEO geo taught by Professor Long during the Spring '10 term at University of Texas at Austin.

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Lecture22_depositional systemsI - In lab this week: a field...

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