120207-T-DeepSeaSed-END.R - Sources of deep-sea sediment...

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Unformatted text preview: 2/12/12! Sources of deep-sea sediment Sedimentation Rate < 1 cm/1000y 1 - 5 cm/1000y The Name: Carbonate Compensation Depth (CCD) THE OBSERVATION . . . PATTERN . . . Explanation / Hypothesis Carbonate Compensation Depth (CCD) Quartz / Opal dissolves shallow Carbonate dissolves deep 1! 2/12/12! Sediment and plate motions; biogenic production; ocean chemistry; . . . R/V JOIDES Resolution Drilling "bit" grinds a circumference of a circle with a diameter of about 30 cm. The final core is about 10 cm in diameter Additional core barrels are added as needed. Core tube (plastic) with core is taken to sample room Reentry cone 2! 2/12/12! Core preparation room 3! ...
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