Tag Archives: point
Chemical tipping point of magma determines explosive potential of volcanoes
Scientists provide evidence, for the first time, that a subtle tipping point of the chemistry of magmas clearly separates effusive from explosive eruptions worldwide. Geology News — ScienceDaily
Mongolian microfossils point to the rise of animals on Earth
A cache of embryo-like microfossils has been discovered in northern Mongolia that may shed light on questions about the long-ago shift from microbes to animals on Earth. Geology News — ScienceDaily
The histology of a sauropod rib bone found in the Wessex formation, Hanover point, Isle of Wight.
In September 2015, I went to Compton Bay on the Isle of Wight to hunt for dinosaur bones. It was equinox tides all week, so an ideal time to get out on the furthest rocks of the Wessex formation, dating … Continue reading
To the breaking point: Testing ideas about the evolution of long-necked sauropod dinosaurs
Sauropod dinosaurs were the largest land-dwelling animals of all time, with highly elongated necks and tails that were held suspended above the ground. read more (e) Science News – Paleontology & Archaeology
To the breaking point: Testing ideas about the evolution of long-necked sauropod dinosaurs
Sauropod dinosaurs were the largest land-dwelling animals of all time, with highly elongated necks and tails that were held suspended above the ground. Holding up such massive body parts would have placed huge stresses on the spine, especially at the … Continue reading
Martian minerals point to subglacial volcanoes
The identified minerals (found in a region known as Sisyphi Montes) indicate where a volcano erupted beneath an ice sheet and are labelled as sulfates (blue) and iron oxides (pink). Image credit: NASA/JPL-Caltech/JHUAPL/ASU Researchers identify minerals on Mars that indicate … Continue reading
Ancient bones point to shifting grassland species as climate changes
More rainfall during the growing season may have led to one of the most significant changes in Earth’s vegetation in the distant past, and similar climate changes could affect the distribution of plants in the future as well, a new … Continue reading
Geological relics point to Nullarbor climate shift
“The pocket” and small caves of one of the pocket valleys on the Hampton Scarp. Credit: Matej Lipar People travelling across the Nullarbor Plain nowadays would be used to the region’s arid nature but it may surprise some to learn … Continue reading
Ancient subsurface cracks may point to mineral deposits
Gold vein in an old crack CHINA?S stated intention to restrict vanadium exports may stimulate greater Australian efforts to mine it, so it comes as good timing that geologists are finding prospective areas for vanadium and titanium in the Kimberley. … Continue reading
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