Hacker News with Generative AI: Geology

Why did a frozen Earth coincide with an evolutionary spurt? (colorado.edu)
CU Boulder geologists Lizzy Trower and Carl Simpson win $1 million in support from W.M. Keck Foundation to try to solve an evolutionary puzzle and to extend Earth’s temperature record by 2 billion years

Earth Science, Evolution, Geology, Research Funding

4 points by isaacfrond 5 days ago | 3 comments

Roaming Rocks (aeon.co)
As geological sites go, this one is easy to miss. It’s just a low rise of exposed rock along a back road in northern Wisconsin, outside a town whose one claim to fame is a tavern that the gangster John Dillinger used as a hideout in the 1930s.

Geology, Wisconsin, History

40 points by Vigier 22 days ago | 5 comments

Thermodynamic model identifies how gold reaches Earth's surface (phys.org)
A research team including a University of Michigan scientist has discovered a new gold-sulfur complex that helps researchers understand how gold deposits are formed.

Geology, Chemistry, Gold, Earth Science, Scientific Research

70 points by wglb 22 days ago | 8 comments

Gondwanaland: The search for a land before (human) time (australiangeographic.com.au)
The Gondwana supercontinent broke up millions of years ago. Now, researchers are piecing it back together again.

Geology, Paleontology, Supercontinents, Australia

63 points by bryanrasmussen 23 days ago | 46 comments

Earth's subsurface may hold up to 5.6 × 10⁶ million metric tons of hydrogen (phys.org)
A pair of geologists with the U.S. Geological Survey, Denver, has created a model that shows Earth's subsurface may hold up to 5.6 × 106 million metric tons of natural hydrogen.

Earth Science, Geology, Natural Resources

57 points by wglb 26 days ago | 71 comments

Exploring an undersea terrain sculpted by glaciers and volcanoes (arstechnica.com)
On May 2, 2008, the Chaitén volcano in Chile awoke with unexpected fury after more than 9,000 years of dormancy.

Volcanoes, Geology, Geography, Chile

17 points by pseudolus 28 days ago | 0 comments

The Bering Land Bridge was more like a swamp (gizmodo.com)
During the last Ice Age, modern-day Siberia and Alaska were connected by a landmass that allowed animals—and ancient humans—to migrate across what is now the Bering Sea.

Paleontology, Geology, History, Archaeology

60 points by bikenaga 33 days ago | 29 comments

Internal Ocean Tides (2021) (nasa.gov)
Across a long swath of the North Pacific Ocean sits the Hawaiian Ridge, a massive underwater structure, high enough in a few places to reach the ocean surface and form the islands of America's 50th state.

Oceanography, Geology, Hawaii

32 points by raattgift 36 days ago | 3 comments

Through-the-Earth Mine Communications (wikipedia.org)
Through-the-Earth (TTE) signalling is a type of radio signalling used in mines and caves that uses low-frequency waves to penetrate dirt and rock, which are opaque to higher-frequency conventional radio signals.

Mining, Radio Communication, Technology, Geology

39 points by slow_typist 38 days ago | 9 comments

Watch carved from meteorite that hit Earth a million years ago (cnn.com)

Space, Science, Geology, History

41 points by cratermoon 41 days ago | 32 comments

Kyawthuite is so rare it's only ever been found once (sciencealert.com)
There's a mineral so rare that only one specimen of it has ever been found in the entire world.

Geology, Minerals, Science, Rare Earth

216 points by pseudolus 48 days ago | 97 comments

Man Keeps a Rock for Years Hoping It's Gold.Turns Out to Be More Valuable (sciencealert.com)
In 2015, David Hole was prospecting in Maryborough Regional Park near Melbourne, Australia.

Geology, History, Australia

8 points by amrrs 49 days ago | 1 comments

Quantification of record-breaking subsidence in California's San Joaquin Valley (nature.com)
In California’s San Joaquin Valley, groundwater overdraft has caused dramatic and continued land subsidence during two main periods, 1925–1970 (“the historic period”) and post-2006.

Environmental Science, Geology, California, Water Resources

5 points by Stratoscope 53 days ago | 1 comments

The dent in Earth's gravitational field created by the death of an ancient ocean (livescience.com)

Earth Science, Geology, Astronomy, History

6 points by Brajeshwar 56 days ago | 0 comments

Ancient forest world discovered 630ft down sinkhole in China (unilad.com)
Did you know a sinkhole in Asia plays host to a lush, ancient forest where trees tower nearly 130 feet tall?

Ancient Forests, China, Geology, Discovery, Nature

12 points by Brajeshwar 56 days ago | 1 comments

China's giant sinkholes are a tourist hit – ancient forests inside are at risk (bbc.com)
Two-thirds of the world’s more than 300 sinkholes are in China, scattered throughout the country’s west - with 30 known tiankeng, Guangxi province in the south has more of of them than anywhere else. Its biggest and most recent find was two years ago: an ancient forest with trees reaching as high as 40m (130ft). These cavities in the earth trap time, preserving unique, delicate ecosystems for centuries.

Tourism, Geography, Environment, China, Geology

8 points by Brajeshwar 56 days ago | 0 comments

Italian supervolcano "Phlegraean Fields" is showing signs of waking up (earth.com)
The Phlegraean Fields, now considered one massive supervolcano, are beginning to stir, making the scientific community uneasy.

Volcanoes, Italy, Geology, Science

36 points by MPSimmons 56 days ago | 9 comments

Iceland Spar (wikipedia.org)
Iceland spar, formerly called Iceland crystal (Icelandic: silfurberg [ˈsɪlvʏrˌpɛrk], lit. 'silver-rock') and also called optical calcite, is a transparent variety of calcite, or crystallized calcium carbonate, originally brought from Iceland, and used in demonstrating the polarization of light.[1][2]

Science, Geology, Minerals, Optics

29 points by Thevet 57 days ago | 4 comments

Burning Mountain (wikipedia.org)
Burning Mountain, the common name for Mount Wingen, is a hill near Wingen, New South Wales, Australia, approximately 224 km (139 mi) north of Sydney just off the New England Highway.[2]

Australia, Geography, Geology

5 points by ben_w 63 days ago | 0 comments

Earth endured over one million years of rain in the "Carnian Pluvial Event" (earth.com)
A period known as the Carnian Pluvial Event, which occurred about 232 million years ago, marked a dramatic turn in Earth’s climate history.

Earth Science, Paleontology, Climate Change, Geology

24 points by febed 75 days ago | 5 comments

USGS uses machine learning to show large lithium potential in Arkansas (usgs.gov)
Using a combination of water testing and machine learning, a U.S. Geological Survey-led study estimated between 5 and 19 million tons of lithium reserves are located beneath southwestern Arkansas.

Machine Learning, Lithium, Geology, Arkansas, Mining

337 points by antidnan 88 days ago | 222 comments

'Entire ecosystem' of fossils 8.7M years old found under Los Angeles high school (theguardian.com)
Marine fossils dating back to as early as 8.7m years ago have been uncovered beneath a south Los Angeles high school.

Paleontology, Los Angeles, Fossils, Geology

90 points by cpach 100 days ago | 23 comments

Washington's 'forgotten giant' volcano stirs (gizmodo.com)
There’s been some unusual rumblings coming from Mount Adams, but for those in the area, it’s not time to panic. Geologists are closely monitoring Washington’s largest volcano (and second tallest mountain), which hasn’t erupted since the Bronze Age.

Volcanoes, Geology, Washington State

76 points by rbanffy 101 days ago | 40 comments

Engineering Geology of the BART System (2000) (sonic.net)
The origins of the Bay Area Rapid Transit District date back to 1947, when the joint Army-Navy board suggested construction of a rapid transit tube beneath San Francisco Bay, to speed travel between Oakland and San Francisco.

Engineering, Geology, Transportation, Bay Area, History

66 points by pastureofplenty 102 days ago | 13 comments

Dwarf planet Ceres: Origin in the asteroid belt? (mpg.de)
Bright yellow deposits in Consus Crater bear witness to dwarf planet Ceres' cryovolcanic past - and revive the debate about its place of origin.

Space, Asteroids, Dwarf Planets, Geology, Planetary Science

5 points by sharpshadow 123 days ago | 0 comments

'Unidentified Seismic Object' Shook Earth for Nine Days–Now We Know What It Was (theconversation.com)
Earthquake scientists detected an unusual signal on monitoring stations used to detect seismic activity during September 2023. We saw it on sensors everywhere, from the Arctic to Antarctica.

Earthquakes, Science, Geology

12 points by dylan604 126 days ago | 1 comments

Natural Piezoelectric Effect May Build Gold Deposits (arstechnica.com)

Geology, Materials Science, Gold, Mining

88 points by FairDune 136 days ago | 32 comments

Giant underwater avalanche decimated Atlantic seafloor 60k years ago (livescience.com)

Geology, Oceanography, Natural Disasters

29 points by Brajeshwar 141 days ago | 15 comments

Studying Stones Can Rock Your World (newyorker.com)

Geology, Science, New York

23 points by prismatic 141 days ago | 3 comments

Dinosaur footprints on either side of the Atlantic are matching sets (gizmodo.com)

Paleontology, Science, Geology

28 points by nickthegreek 145 days ago | 7 comments