Posts Tagged Geology

Ancient rocks provide clues to Earth’s early history…

Summary: A research team has provided compelling evidence for significant ocean oxygenation before the GOE, ‘great oxidation event’, on a larger scale and to greater depths than previously recognized… Here’s the article from science daily: https://www.sciencedaily.com/releases/2019/02/190225112311.htm Advertisements

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Earth Once Swallowed Its Own Superocean. Could It Happen Again?…

The ancient supercontinent of Rodinia turned inside out as the Earth swallowed its own ocean some 700 million years ago, new research suggests… Read the rest of the article here at Live Science: https://www.livescience.com/64707-earth-swallowed-superocean.html

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Future Humans May Call Us the ‘Chicken People,’ and Here’s Why…

Some ancient peoples have been identified by the pottery or tools that they used, but humans in the future just might refer to us as the ‘chicken people’. A study published recently in the Royal Society Open Science journal explains why… Read about it here at LiveScience.com: https://www.livescience.com/64280-chickens-taking-over-world.html

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Is It Possible to Predict Earthquakes?…

How accurately can researchers predict when an earthquake is expected to strike?… Read this article here at LiveScience.com: https://www.livescience.com/62560-how-to-predict-earthquakes.html

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Photos: Large Numbers That Define the Universe…

Visit the following LiveScience.com link for some magnificent numeric depictions of planet Earth… https://www.livescience.com/63429-big-numbers-universe-photos.html

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Back to the Future of Climate Change…

Researchers at Syracuse University are looking to the geologic past to make future projections about climate change… Read more on this research here: https://www.enn.com/articles/55111-back-to-the-future-of-climate-change

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We Are Now Living in a New Geologic Age, Experts Say…

Intro:  We are all in the midst of a new geological age, experts say. This age, dubbed the Meghalayan, began 4,250 years ago when what was probably a planetwide drought struck Earth, according to the International Union of Geological Sciences (IUGS)… Read three article here: https://www.livescience.com/63103-meghalayan-age-within-holocene-named.html

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The Galápagos Islands: Laboratory of Evolution…

The Galápagos Islands archipelago is home to a complex ecosystem with a fascinating geological history, as well as unique examples of plant and animal life. The islands’ flora and fauna inspired renowned naturalist Charles Darwin to formulate his theory of evolution, and thousands of tourists and scientists flock to the islands every year to further […]

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Natural History: Alfred Wegener ~ Plate Tectonics & Continental Drift…

The following video presents an overview of the theory of plate tectonics and continental drift with a history of Alfred Wegener’s work…

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In Ancient Rocks, Scientists See a Climate Cycle Working Across Deep Time…

Scientists drilling deep into ancient rocks in the Arizona desert say they have documented a gradual shift in Earth’s orbit that repeats regularly every 405,000 years, playing a role in natural climate swings… Read more about this a enn.com: https://www.enn.com/articles/54446-in-ancient-rocks-scientists-see-a-climate-cycle-working-across-deep-time

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Continental Drift: Theory & Definition…

Intro:  Continental drift was a theory that explained how continents shift position on Earth’s surface. Set forth in 1912 by Alfred Wegener, a geophysicist and meteorologist, continental drift also explained why look-alike animal and plant fossils, and similar rock formations, are found on different continents… Read all about the theory here at livescience.com: https://www.livescience.com/37529-continental-drift.html

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Tiny Slowdown in Earth’s Rotation Could Unleash Major Earthquakes…

(From livescience.com): Past periods of slow rotation over the last 100 years have coincided with more earthquakes than average, according to research presented last month at the annual meeting of the Geological Society of America… Read the article here: https://www.livescience.com/60989-slow-earth-rotation-triggers-earthquakes.html

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Why rocks flow slowly in Earth’s middle mantle — ScienceDaily… 

Geography news from ScienceDaily: https://www.sciencedaily.com/releases/2017/06/170605155932.htm

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‘Nesting doll’ minerals offer clues to Earth’s mantle dynamics: Rare sample discovered of the mineral majorite that originated at least 235 miles below Earth’s surface — ScienceDaily…

Some Geology news from ScienceDaily: https://www.sciencedaily.com/releases/2017/04/170407143313.htm

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2.5-Billion-Year-Old Fossils Predate Earth’s Oxygen… 

Fossils of what may be the oldest sulfur-eating bacteria ever found have been discovered in rocks dating back a staggering 2.52 billion years…  Check out this article at livescience.com: 2.5-Billion-Year-Old Fossils Predate Earth’s Oxygen

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Biggest exposed fault on Earth discovered… 

Summary from ScienceDaily.Com:  Geologists have for the first time seen and documented the Banda Detachment fault in eastern Indonesia and have worked out how it formed Full article here: Biggest exposed fault on Earth discovered

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Geologists discover how a tectonic plate sank… 

Summary:  New information about conditions that can cause Earth’s tectonic plates to sink into the earth has been released in a new report…  Read about it here at ScienceDaily.Com: Geologists discover how a tectonic plate sank

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Exhaling Earth: Scientists closer to forecasting volcanic eruptions… 

Summary:On average, 40 volcanoes on land erupt into the atmosphere each month, while scores of others on the seafloor erupt into the ocean. A new time-lapse animation uniting volcanoes, earthquakes, and gaseous emissions reveals unforgettably the large, rigid plates that make the outermost shell of Earth and suggests the immense heat and energy beneath them […]

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