Geoscience Bulletin Board – 29 April 2024
Elaine Hanford
Retired Professional Geologist & Environmental Scientist; Consultant & Freelance Technical Editor; Consultant Family History e-Search
Record of regional climate in hydrothermal deposits in Yellowstone
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Warning of further volcanic activity at Sundhnúkur in Iceland where magma may soon breach the surface – noted increased pressure & ground uplift
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Landslides triggered by intense rainfall in Jiangwan, Guangdong, China
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Oldest undisputed evidence of magnetic field of Earth in 3.7 byo sequence of iron-bearing rocks in Isua, Greenland, record magnetic field strength
·???????? Paper:? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JB027706
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Possible point of origin of Golconda diamonds, including the Hope Diamond
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Computer simulations of supercell thunderstorm that produced deadly baseball-sized hailstones in Girona in northwest Spain in 2022 – of course it is blamed on “man-made global warming”
·???????? Paper:? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023GL107632
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East Asian monsoon transports short-lived ozone-depleting organic chlorine substances to the upper atmosphere
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Relationship between carbon cycle & climate influenced by volcanism & seafloor spreading during Miocene Climate Optimum (MCO) between 17 and 14 myo
·???????? Paper:? https://www.sciencedirect.com/science/article/abs/pii/S2095927323009386
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Dozens of strong aftershocks of Taiwan earthquake
Potential for airborne interferometric radar altimeter measurements of sub-mesoscale sea surface height anomalies
·???????? Paper:? https://www.mdpi.com/2072-4292/16/8/1359
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CloudSat ends mission after nearly two decades of using W-band radar to study clouds
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Fluctuations in the geomagnetic field during magnetic field excursions and complete reversals
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Venezuela closes illegal Bulla Loca open-pit gold mine
·???????? https://www.terradaily.com/reports/Venezuela_expels_10000_from_illegal_gold_mine_now_closed_999.html
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Saharan dust clouds carried into Greece and sandstorm hits east Libya
·???????? https://www.terradaily.com/reports/Greece_suffers_new_round_of_Saharan_dust_pollution_999.html
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Groundwater pumping in Central Valley of California – groundwater level and storage declines, land subsidence, changes to streamflow, degradation of water quality – approximately 158 cubic kilometers of storage loss including 15% of permanent total storage loss
·???????? Paper:? https://www.mdpi.com/2073-4441/16/8/1189
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Seabed maps of quadrangle 5 of Stellwagen Bank National Marine Sanctuary offshore of Massachusetts
·???????? Pamphlet:? https://pubs.usgs.gov/sim/3515/sim3515_pamphlet.pdf
·???????? Links to maps: https://pubs.usgs.gov/publication/sim3515
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Geologic framework & hydro-stratigraphy of Edwards & Trinity aquifers in Andera & Kendall Counties, Texas
·???????? Pamphlet:? https://pubs.usgs.gov/sim/3518/sim3518_pamphlet.pdf
·???????? Map Sheet:? https://pubs.usgs.gov/sim/3518/sim3518.pdf
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Toward improved modeling & prediction of arctic riverbank erosion
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Evidence from 3+ byo Yangtze Block craton in China suggests crustal rejuvenation occurred globally as result of increased mantle temperatures
·???????? https://eos.org/research-spotlights/mantle-heat-may-have-boosted-earths-crust-3-billion-years-ago
·???????? Paper:? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024GL108715
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领英推荐
Possible explanation for lack of renewed mega-slide activity on the Surveyor Fan in the Gulf of Alaska
·???????? Paper:? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024GL108374
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Five megathrust earthquakes may have led to demise of Teotihuacan
·???????? Paper:? https://www.sciencedirect.com/science/article/pii/S2352409X24001561
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Bioluminescence evolved 540 myo in Octocorallia in depths of the ocean
·???????? https://www.sciencealert.com/bioluminescence-evolved-in-the-abyss-540-million-years-ago-study-finds
·???????? Paper:? https://royalsocietypublishing.org/doi/10.1098/rspb.2023.2626
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Mine Water Energy Symposium held in Edinburgh addresses research on heat-flow modeling, biogeochemistry and social sciences
·???????? Link to program:? https://www.bgs.ac.uk/download/bgs-events-mine-water-energy-symposium-2024-programme/
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Thyreosaurus atlasicus?– Middle Jurassic stegosaur species from Morocco had dermal armor
·???????? Paper:? https://www.sciencedirect.com/science/article/abs/pii/S1342937X24000674
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Vasuki indicus – new genus & species of giant madtsoiid snake from early Middle Eocene in India – reached estimated lengths of 36 to 49 feet
·???????? Paper:? https://www.nature.com/articles/s41598-024-58377-0
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New geological province map of Greenland
·???????? Paper:? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023GL107357
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Mantle domain boundaries delineated by distinct geochemical signature
·???????? https://news.arizona.edu/news/geologists-rewind-clock-reveal-secrets-about-earths-mysterious-mantle
·???????? Paper:? https://www.nature.com/articles/s43247-024-01326-6
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Rockhounding in Montana
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Impact of karst on diesel spill cleanup in Whiteford Township in Monroe County, Ohio
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Will AI ever replace the wisdom and experience of a seasoned geologist?
·???????? https://www.miningreview.com/exploration/will-ai-enabled-geologists-replace-traditional-pros/
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Waterlogged volcano webcam is dried out and once again monitoring Kilauea
·???????? https://www.bigislandvideonews.com/2024/04/19/geologists-dry-out-water-logged-volcano-webcams/
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Humans took refuge in lava tube in Saudi Arabia for thousands of years
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Comprehensive 3D geological model for high-grade B26 Polymetallic Deposit in Canada
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Engineering & geological research completed for low-power nuclear power plant in Yakutia, Russia
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Geopark Academy 2024 will explore unique geological terrain of the Burren in County Clare, Ireland
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UNESCO has added 18 sites to list of Global Geoparks
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Oldest blue glacial ice core from Antarctica is 6 myo from Allen Hills adjacent to Ross Ice Shelf – not a continuous record
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New paradigm for studying landslide shapes & failure types
·???????? Paper:? https://www.nature.com/articles/s41467-024-46741-7
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Factors that drive migration rates of meandering rivers – big surprise:? global-scale trend based on sediment load
·???????? Paper:? https://www.sciencedirect.com/science/article/pii/S0012821X24001079
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