Globigerina ooze Sentence Examples

globigerina ooze
  • Murray and Renard define globigerina ooze as containing at least 30% of calcium carbonate, in which the remains of pelagic (not benthonic) foraminifera predominate and in which remains of pelagic mollusca such as pteropods and heteropods, ostracodes and also coccoliths (minute calcareous algae) may also occur.

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  • These peculiarities, combined with the striking absence of mineral constituents, distinguish the eupelagic globigerina ooze from the hemipelagic calcareous mud.

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  • Out of 118 samples of globigerina ooze obtained by the " Challenger " expedition 84 came from depths of 1500 to 2500 fathoms, 13 from depths of loon to 150o and only 16 from Scot.

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  • Pteropod ooze is merely a local variety of globigerina ooze in which the comparatively large but very delicate spindleshaped shells of pteropods happen to abound.

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  • The reddish colour comes from the presence of oxides of iron, and particles of manganese also occur in it, especially in the Pacific region, where the colour is more that of chocolate; but when it is mixed with globigerina ooze it is grey.

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  • There is even some hesitation in accepting the continuity of the chalk with the globigerina ooze of the modern ocean.

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  • In the deeper parts the bed of the ocean is covered on the west and south by Globigerina ooze except for an elongated patch of red clay extending most of the distance from Sokotra to the Maldives.

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  • Traced landwards the muds become more sandy, while on their outer margins they grade into the abysmal deposits, such as the globigerina ooze (see Ocean And Oceanography).

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