| 31. | Hydrogen sulfide from sulfate-reducing bacteria also plays a role in the biogenic sulfide corrosion of concrete.
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| 32. | Deposition of sediment associated with weathering processes, decaying organic matters ( biogenic ) or through chemical precipitation.
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| 33. | The final factor is ocean fertility, which controls the amount of biogenic particles produced in surface waters.
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| 34. | Pelagic sediments, containing significant quantities of siliceous biogenic remains, are commonly referred to as siliceous ooze.
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| 35. | His latter interests included defining chemical proxies from biogenic carbonates and using them to understand the ancient ocean.
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| 36. | Some of the Tertiary rocks are sediments which accumulated in basins and are of volcanic or biogenic origin.
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| 37. | "We think these particular elongated prisms are biogenic, and we're sticking to that story.
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| 38. | The amount of 14 C currently present in a sample therefore indicates the proportion of carbon of biogenic origin.
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| 39. | Light Force and the research company Biogenics were sold to Royal Body Care which continued to market the products.
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| 40. | C, H, N, O, S, and P were measured directly as key biogenic elements.
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