| 词汇 | coccolith |
| 释义 | BETA Examples of coccolithcoccolith isn’t in the Cambridge Dictionary yet. You can help! Banding within the unit, composed of organicrich mudstone finely intercalated with the coccolith laminae, may relate to the seasonal nature of the blooms. Immediately below the cementstone there is a bed approximately 3 cm thick that appears to have been fluidized; it is a coccolith-rich mudstone run through with mini-sediment-filled fissures. They produce calcified scales, known as coccoliths, which are deposited on the surface of the cell resulting in the formation of a coccosphere. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This means that the most recently produced coccoliths may lie beneath older coccoliths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The two coccolith types were originally thought to be produced by different families of coccolithophores. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The coccoliths are either dispersed following death and breakup of the coccosphere, or are shed continually by some species. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chalk is a limestone that consists of coccolith biomicrite. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The majority of the fossil debris comprising chalk consists of the microscopic plates, which are called coccoliths, of microscopic green algae known as coccolithophores. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These limestone cliffs are formed from the skeletons of marine plankton called coccoliths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It consists of minute calcite plates (coccoliths) shed from micro-organisms called coccolithophores. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its coccoliths are transparent and commonly colourless, but are formed of calcite which refracts light very efficiently in the water column. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The production of coccoliths requires the uptake of dissolved inorganic carbon and calcium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The best-known haptophytes are coccolithophores, which have an exoskeleton of calcareous plates called coccoliths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When the coccolith is complete these vesicles fuse with the cell wall and the coccolith is exocytosed and incorporated in the coccosphere. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In addition to the coccoliths, the fossil debris includes a variable, but minor, percentage of the fragments of foraminifera, ostracods and mollusks. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite plates (coccoliths) shed from micro-organisms called coccolithophores. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hence, a high concentration of coccoliths leads to a simultaneous increase in surface water temperature and decrease in the temperature of deeper waters. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Coccolithophorids are distinguished by special calcium carbonate plates (or scales) of uncertain function called "coccoliths", which are also important microfossils. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The calcareous particles include coccoliths, bivalve, and gastropod fragments, and calcispheres. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Coccolithophores are of particular interest to those studying global climate change because as ocean acidity increases, their coccoliths may become even more important as a carbon sink. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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