GeologyWorld

10/06/2018

According to a team of scientists from the United Kingdom and Greece, the underwater ‘archaeological remains’ of a long-lost Greek city were in fact created by a naturally occurring phenomenon. When divers discovered what looked like paved floors, courtyards and colonnades, they thought they had found the ruins of an ancient Greek city that perished when tidal waves hit the shores of the island of Zakynthos. [ 403 more words ]

According to a team of scientists from the United Kingdom and Greece, the underwater ‘archaeological remains’ of a long-lost Greek city were in fact created by a naturally occurring phenomenon. Whe…

10/06/2018

Geologists at the University of the Witwatersrand in Johannesburg, South Africa, have confirmed the existence of a small piece of an ancient continent, called Mauritia, beneath modern-day Mauritius. Located between India and Madagascar, the tropical islands of the Seychelles and Mauritius attract many tourists. But they are of great interest for researchers as well. Whereas the geology of the Seychelles shows old granitic rocks, indicating that the Seychelles archipelago was formerly part of Madagascar and India, Mauritius is of young volcanic origin. [ 357 more words ]

Geologists at the University of the Witwatersrand in Johannesburg, South Africa, have confirmed the existence of a small piece of an ancient continent, called Mauritia, beneath modern-day Mauritius…

10/06/2018

According to new research led by the University of Oxford, episodic volcanic activity is likely to have played a key role in triggering the end-Triassic mass extinction (201.5 million years ago), which set the scene for the rise and age of the dinosaurs. The end of the Triassic period witnessed one of the largest mass extinctions of animal life known from Earth history. [ 457 more words ]

According to new research led by the University of Oxford, episodic volcanic activity is likely to have played a key role in triggering the end-Triassic mass extinction (201.5 million years ago), w…

10/06/2018

An international team of geologists led by Monash University Professor Joël Brugger has discovered a new thallium mineral — nataliyamalikite. Nataliyamalikite is the orthorhombic form of thallium iodide (TlI). “It contains thallium, a rare heavy metal most famous for its qualities as a poison,” said Prof. Brugger, lead author of a paper published in the journal American Mineralogist. [ 243 more words ]

An international team of geologists led by Monash University Professor Joël Brugger has discovered a new thallium mineral — nataliyamalikite. Nataliyamalikite is the orthorhombic form of thallium i…

10/06/2018

A team of geologists has found 60 million-year-old ejecta from a previously unknown meteorite impact on the Isle of Skye, northwest Scotland. This is the first recorded mid-Paleocene impact event in the region and is coincident with the onset of magmatism in the British Paleogene Igneous Province. The team, headed by Birkbeck University of London researcher Dr. Simon Drake, found a 3.6-foot (1.1 m) thick layer at the base of a 60 million-year-old lava flow on the Isle of Skye, Scotland. [ 295 more words ]

A team of geologists has found 60 million-year-old ejecta from a previously unknown meteorite impact on the Isle of Skye, northwest Scotland. This is the first recorded mid-Paleocene impact event i…

10/06/2018

An international team of geologists has found highly oxidized iron, similar to the rust we see on the Earth’s surface, in diamond’s garnet inclusions from the deep (124-342 miles, or 200-550 km, below the surface) mantle. The result surprised scientists around the globe because there is little opportunity for iron to become so highly oxidized deep below our planet’s surface. [ 231 more words ]

An international team of geologists has found highly oxidized iron, similar to the rust we see on the Earth’s surface, in diamond’s garnet inclusions from the deep (124-342 miles, or 200-550 km, be…

10/06/2018

An international team of scientists from the United States and Canada has discovered the first direct evidence that aqueous pockets may exist as far as 500 miles (805 km) deep into the Earth’s mantle. The team, led by University of Nevada, Las Vegas geoscientist Oliver Tschauner, found inclusions of the high-pressure form of water called Ice-VII in natural diamonds sourced from between 255 and 410 miles (410-660 km) depth. [ 251 more words ]

An international team of scientists from the United States and Canada has discovered the first direct evidence that aqueous pockets may exist as far as 500 miles (805 km) deep into the Earth’s mant…

29/11/2017

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29/11/2017

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13/06/2017

The water holding capacity of a soil is a very important agronomic characteristic. Soils that hold generous amounts of water are less subject to leaching losses of nutrients or soil applied pesticides. This is true because a soil with a limited water holding capacity (i.e. a sandy loam) reaches the saturation point much sooner than a soil with a higher water holding capacity (i.e. [ 698 more words ]

https://geologyworlds.wordpress.com/2017/06/13/water-holding-capacity/

The water holding capacity of a soil is a very important agronomic characteristic. Soils that hold generous amounts of water are less subject to leaching losses of nutrients or soil applied pestici…

13/06/2017

According to a team of scientists from the United Kingdom and Greece, the underwater ‘archaeological remains’ of a long-lost Greek city were in fact created by a naturally occurring phenomenon. When divers discovered what looked like paved floors, courtyards and colonnades, they thought they had found the ruins of an ancient Greek city that perished when tidal waves hit the shores of the island of Zakynthos. [ 403 more words ]

https://geologyworlds.wordpress.com/2017/06/13/sunken-ancient-greek-city-near-zakynthos-island-is-geological-formation-researchers-say/

According to a team of scientists from the United Kingdom and Greece, the underwater ‘archaeological remains’ of a long-lost Greek city were in fact created by a naturally occurring phenomenon. Whe…

13/06/2017

A team of researchers from Durham University, the University of Oxford, and the exploration company Helium One has discovered a world-class helium gas field. Helium is an odorless, tasteless and colorless gas that has unique properties. It is the first of a group of elements often referred to as the noble gases. Helium is a critical component in many fields… [ 418 more words ]

https://geologyworlds.wordpress.com/2017/06/13/researchers-find-giant-helium-gas-field-in-tanzania/

A team of researchers from Durham University, the University of Oxford, and the exploration company Helium One has discovered a world-class helium gas field. Helium is an odorless, tasteless and co…