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The cause for the end of the Late Ordovician Glaciation is a matter of intense research, but evidence shows that the deglaciation in the terminal Hirnantian may have occurred abruptly, as Silurian strata marks a significant change from the glacial deposits left during the Late Ordovician. [66]
Pages in category "Ordovician plants" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. C. Casterlorum; Chaetocladus;
A team involved in the Vesuvius Challenge, a competition offering prize money to anyone who can help unlock the delicate scrolls, says it has virtually unwrapped the papyrus to reveal columns of ...
In fact, the Hirnantian (also known as the End Ordovician and the Ordovician-Silurian) mass extinction event represents the second largest such event in geologic history. Approximately 85% of marine (sea-dwelling) species died. Only the End-Permian mass extinction was larger. Unlike many smaller extinction events, however, the long-term ...
The Oxford document contains the most recoverable text of all Herculaneum scrolls scanned to date. The scroll structure is outlined (top), with a scroll photograph displayed (left), and ink ...
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The Late Ordovician mass extinction (LOME), sometimes known as the end-Ordovician mass extinction or the Ordovician-Silurian extinction, is the first of the "big five" major mass extinction events in Earth's history, occurring roughly 445 million years ago (Ma). [1]
Found by a farmworker in the 18th century, they are named after the place where they were buried, Herculaneum — an ancient Roman town to the south of Pompei i that was also destroyed by the blast.