单词 | foraminifer |
例句 | Now, an international group of researchers have discovered a previously unknown species of large foraminifer, shedding new light on the ecological evolution and biodiversity of coral reefs in the Ryukyu Islands. Researchers discover a new species of larger benthic foraminifer from the Ryukyu Islands 2023-09-19T04:00:00Z As many as half of all speceis of benthic foraminifers also went extinct, which may mean that organisms higher up on the marine chain were affected by acidification as well. The Oceans Are Changing: Why the Acidification of Earth's Seas Is Cause for Concern 2012-03-02T17:35:36Z At one moment he has to deal with the bones of some large mammal scattered through a deposit of superficial gravel, at another time with the minute foraminifers and ostracods of an upraised sea-bottom. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Certain small foraminifers, for example, met with in some of the oldest formations, do not seem to differ from species which are still living. Geology 2011-02-20T03:00:12.660Z To the west its waters were clear and on its floor the crumbled remains of foraminifers gathered in heavy accumulations of calcareous ooze,— the white chalk of France and England. The Elements of Geology Beds of gneiss and quartzite, with interstratified limestones, in one of which, 1000 feet thick, occurs a foraminifer, Eozoon Canadense, the oldest known fossil. The Student's Elements of Geology Beneath the reef are thick beds of limestone, composed largely of the remains of foraminifers, which cover the lavas and fragraental materials of the old submarine volcano. The Elements of Geology In these rocks the nucleus of every minute spherule is seen, under the microscope, to consist of a small rhizopod or foraminifer. The Student's Elements of Geology |
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