McGowran Brian: Biostratigraphy: Microfossils and Geological Time
Скачать книгу (размер 2 441 Kb , формат fb2, страниц 480) Аннотация: Using fossils to tell geological time, biostratigraphy balances biology with geology. In modern geochronology — meaning timescale-building and making correlations between oceans, continents and hemispheres — the microfossil record of speciations and extinctions is integrated with numerical dates from radioactive decay, geomagnetic reversals through time, and the cyclical wobbles of the…