m o 0.0 / 5 ? Geographymeteorology and oceanographyUniversityNone Created by: ra9718Created on: 11-11-19 15:26 At what depth can calcareous ooze be preserved if there is rapid deposition? ~4000m 1 of 12 where do phosphates occur? in areas of high biological productivity 2 of 12 where do metal sulfids occur? in areas of high hydrothermal activity eg. volcanoes, hydrothermal vents, MORs 3 of 12 what are evaporites? minerals that form when seawater evaporates 4 of 12 what is an interesting characteristic of kainite and carnallite? they can dissolve at surface if there is moisture 5 of 12 how much do pelagic sediments cover the sea floor? 3/4 6 of 12 how much do neritic sediments cover the sea floor 1/4 7 of 12 in some rivers there is high sediment deposition when it meets the ocean, why is that and what does that indicate? high productivity due to a fast flow, it also is an indicator of oil 8 of 12 what percentage of oil are in offshore resources? 30% 9 of 12 methane hydrates can cause, due to climate change and warming waters, a release in methane emissions. what hazards can these cause? the release of bubbles can cause underwater slope failure, which in turn can be a tsunami hazard 10 of 12 what is heavier 16O, 17O or 18O? 18O 11 of 12 what is more abundant 16O, 17O or 18O? 16O (99.76%) 17O (0.024) 18O (0.20) 12 of 12
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