micropaleontology
geology
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- In Earth sciences: Micropaleontology
Microscopic fossils, such as ostracods, foraminifera, and pollen grains, are common in sediments of the Mesozoic and Cenozoic eras (from about 251 million years ago to the present). Because the rock chips brought up in oil wells are so small, a high-resolution instrument known…
Read More - In geology: Micropaleontology
Micropaleontology involves the study of organisms so small that they can be observed only with the aid of a microscope. The size range of microscopic fossils, however, is immense. In most cases, the term micropaleontology connotes that aspect of paleontology devoted to the Ostracoda,…
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