Download - Biogenous - Silecous
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Biogenous - Silecous• Found near Upwelling Areas
SeaWifs Satellite
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Biogenous - Silecous• Found near Upwelling Areas
SeaWifs Satellite
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Biogenous - Silecous• Found near Upwelling Areas South Africa: southwest coast
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Biogenous - Silecous
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Biogenous - Carbonate
Foram (animal)
Coccolithophore
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Biogenous - Carbonate
Southern England: White Cliffs of Dover
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Biogenous - Carbonate
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Biogenous - Carbonate
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Biogenous
Fecal Pellet: 0.008 in
• How long do they take to settle?
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Biogenous• Are source of oceanic hydrocarbons
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Lithogenous and BiogenousDeep ocean floor sediments (beyond continental margin)
Clay is most abundant in Pacific
CaCO3 ooze most abundant in Atlantic
CaCO3 ooze most abundant in Indian
World: Oceans: ~ 48% CaCO3, 38% clay, 14% silica ooze
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Hydrogenous Sediments• Comes from dissolved material in the water
Manganese Nodules
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Hydrogenous Sediments• Manganese Nodules
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Hydrogenous Sediments• Manganese Nodules
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Hydrogenous Sediments• Manganese Nodules
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Hydrogenous Sediments• Phosphorites