The Late Ordovician period, ending 444 million years ago, was marked by the onset of glaciations. The expansion of non-vascular land plants accelerated chemical weathering and may have drawn down ...

Manitoba is well-known for its fossil record, including the fossil-filled, world-famous Ordovician-aged Tyndall Stone and the ...

Typical dolomite reservoirs exist in the upper assemblage of the Ordovician Majiagou Formation in the southeastern Sulige gas field, Ordos Basin, however, the current understanding of dolomite genesis ...

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience community and the public. Among them, the Late Ordovician Mass Extinction (LOME ...

The rings are theorized to have formed 466 million years ago during one of the coldest periods in the planet's history, known ...

Impact craters found around the Earth that were made around the same time could be linked to debris falling from a ring, a new study suggests.

The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience community and the public. Among them, the Late Ordovician Mass Extinction (LOME ...

The Ordovician Fezouata Shale fossil site at Jbel Tizagzaouine has been selected by the IUGS as one of their “First 100 IUGS Geological Heritage Sites”. The site was supported by two of IGCP project ...

The Ordovician Mass Extinction Killed 85 Percent Of Life On Earth In A Totally Unique Way And you've probably never even heard of it.

Scientists have been trying to unravel what killed nearly all of Earth’s animals 400 million years ago. Could it be monstrous deformities caused by toxic metals in the ocean?