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Showing 1 - 20 results of 42 for search '"silica"', query time: 0.29s Refine Results
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    ... reduced silica incorporation at CO 2 levels equivalent to those projected for 2100. These findings suggest...
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    ... projected for the year 2100. This shift in Si:N seems to be caused by slower chemical dissolution of silica...
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    ... are phenocrysts from a mafic magma with high silica and low calcium contents. The coexistence of contrasting...
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  8. 8
    ...The distribution of particulate organic carbon (POC), nitrogen (PON) and biogenic silica (BSi...
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  9. 9
    by McMinn, A
    Published in Antarctic Science (2000)
    ... of isolation that lead to changes in their diatom flora, C:N ratio, percentage of biogenic silica and total...
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  10. 10
    ... biomass was dominated by a Thalassiosira sp., which was very weakly silicified under strong silica...
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    ... to track seasonal flows of silica to the deep sea, as captured by sediment trap time series, for the three...
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    ... are depleted in silica by mid-summer (as occurs year-round north of the Subantarctic Front). A different...
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    ... a high biogenic silica component. Three depositional and non-depositional facies can be recognised...
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    ... inclusions are comprised of diopside, hydrous silicates, apatite, plagioclase, K-feldspar, silica and other...
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    ... during silicification, the Si isotopic composition (δ 30 Si) of biogenic silica (BSi) is closely linked...
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  20. 20
    ... silica and carbonate in two marine sediment cores from Ellis Fjord, eastern Antarctica, reveals episodes...
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