| 词汇 | biostratigraphy |
| 释义 | BETA Examples of biostratigraphybiostratigraphy isn’t in the Cambridge Dictionary yet. You can help! Chapter 6 is on biostratigraphy and sequence stratigraphy. He then seamlessly explains sequence stratigraphy, with the emphasis on how biostratigraphy is an integral part of this unifying theory of sedimentary geology. Pennsylvanian insect biostratigraphy is comparatively new and is being developed in conjunction with that of other non-marine animals, notably conchostracans (clam shrimps). The locations of stage and substage boundaries are tightly constrained by macrofossil biostratigraphy. The distance of transport was not very long, and thus the value of the vertebrate remains for biostratigraphy not reduced. Planktonic foraminiferal biostratigraphy was based on the study of 63 thin-sections. The descriptions of the different palaeontological groups are up to date, well illustrated, and biostratigraphy is always prominent. But there is still a long way to go in the correlation of non-marine biostratigraphy with the expanding magnetostratigraphic and radio-isotope data. Therefore, to relate biostratigraphy and palaeobiogeography in the most correct way, specific and accurate data are needed. For pur pose of precise cor relation, carbon isotopic stratigraphy is the most suitable method in combination with biostratigraphy. Updated discussions are given of biostratigraphy, graphic cor relation, geophysical log stratigraphy, cycles, and of climate, event and magneto-stratigraphy. Although the aim of the project was high-resolution biostratigraphy, the exercise turned out rather to offer insights into provinciality. They calibrated the fission track ages of these bentonitized tuff and tuffaceous mudstone beds with magnetostratigraphy and biostratigraphy (vertebrate fauna) in these sections. |
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