How To Use microfossil In A Sentence
- The dissolution of limestones in weak acid is now a standard palaeontological laboratory technique, and has been used extensively to isolate phosphatic microfossils of all types from Paleozoic carbonates.
- McKay no longer argues as strenuously that the tiny microfossil is an important part of his case, because he is finding what he believes are much larger Martian microbes in other meteorites. First Contact
- Other phosphatic and phosphatized microfossils were recovered by dilute acetic acid digestion.
- This agreement among biostratigraphers for the placement of the KT boundary in the Brazos section alone shows that evidently biostratigraphy works very well across different microfossil groups. Should Keller's Thin Sections Be Independently Tested? « Climate Audit
- The formation has yielded numerous fossils of stromatolites in addition to microfossils.
- They are generally common microfossils in Phanerozoic marine sedimentary rocks, at least from the early Middle Ordovician onward.
- Microfossil assemblages from rare black and grey clays in this succession contain only a variety of seeds, Microcarpolithes hexagonalis and megaspores, and there are neither foraminifera nor other marine microfossils.
- Brasier et al., however, questioned the biogenic validity of microfossils from the early Archaean Apex Chert in Australia and suggested that they may be artefacts created by abiogenic processes.
- The key to understanding the early evolution of eukaryotes lies in the Proterozoic fossil record, especially microfossils.
- Then he puts up an image of a microfossil from the Murchison meteorite and it looks quite like the first, including the presence of trichomes or strands of cells in sheaths, and later he shows images from Murchison very similar to those stacks of dimes. First Contact
