Geoscience Bulletin Board – 1 July 2024
Elaine Hanford
Retired Professional Geologist & Environmental Scientist; Consultant & Freelance Technical Editor; Consultant Family History e-Search
“Beachball” earthquake focal mechanisms at Yellowstone
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Future asteroid strike – limited readiness to prevent impact – methods to inform the public not fully developed
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New interpretation & mapping off offshore sedimentary basins of New Zealand reveal clues to continental evolution
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Tracing anthropogenic radionuclides in helps reveal pathways & timing of mingling of Atlantic & Arctic currents
·?????? Paper:?? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JC020813
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Distinguishing atmospheric and oceanic tsunami waves from 2022 Tonga volcanic eruption
·?????? https://eos.org/editor-highlights/dual-tsunami-generation-from-atmospheric-and-oceanic-sources
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Experimental model may explain volcanic processes that carbonatite could transport green metals upward to the surface of the Earth in magmatic sulfide systems
·?????? Paper:? https://www.science.org/doi/10.1126/sciadv.adl3127
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Magnitude of horizontal & vertical displacements in December 2020 Petrinja earthquake in Croatia
·?????? Paper:? https://www.mdpi.com/2072-4292/16/12/2112
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Toward improved understanding of dust source in Gurbantunggut Desert in Junggar Basin in China
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Reservoir of dissolved organic matter in the ocean
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Large plume of Saharan Desert dust to reach the Atlantic Coast
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Oil-sands production in Canada among most carbon-intensive sources of oil
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Suggesting that Tunguska event was caused by black hole but evidence is lacking
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2D hydraulic model for Chain of Lakes on Fox River in McHenry County, Illinois
·?????? USFS SIR 2024-5056:? https://pubs.usgs.gov/sir/2024/5056/sir20245056.pdf
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Predicting depth to bedrock in Delaware River Basin using noisy data on multiscale performance
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Dissolved arsenic concentrations of upper Klamath River Basin waters in Oregon & California
·?????? USGS SIR 2024-5029:? https://pubs.usgs.gov/sir/2024/5029/sir20245029.pdf
El Ni?o forecast for 18 months using physics-based model – explainable predictability
Impact of seamounts on ocean circulation due to intense turbulence
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Direct measurement (using fluorescent dye) of cold deep water upwelling via turbulent mixing along slope of submarine canyon in Atlantic Ocean - observed rate was 10,000+ times the predicted global average
·?????? Paper:? https://www.nature.com/articles/s41586-024-07411-2
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Active eruption cycle on Reykjanes Peninsula in Iceland may continue for decades
·?????? Paper:? https://onlinelibrary.wiley.com/doi/10.1111/ter.12733
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New model of “missing” aerosols and cloud condensation nuclei
·?????? Paper:? https://www.nature.com/articles/s41586-024-07547-1
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Water transport in subduction zones includes nominally anhydrous minerals (NAMs) and water-bearing minerals – stishovite (SiO2) may retain large amounts of water but has limited stability deep in the Mantle
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New method for visualization & prediction of sedimentation in soft-ground drilling
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100-foot diameter sinkhole opens up beneath soccer field in Alton, Illinois– video
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Deformation on Mauna Loa
·?????? https://www.usgs.gov/observatories/hvo/news/volcano-watch-beyond-lava-mauna-loas-deformation-story
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Heap leach landslide at Eagle Mine in Canada
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Possible causes of Sorte debris flow in Switzerland
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Upwelling mantle plume created ocean basin in Mongolia 410 myo
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Why the US has so many tornadoes – all about convergence & contrast
Reconstruction of the Intertropical Convergence Zone (ITCZ)
·?????? Paper:? https://www.pnas.org/doi/epdf/10.1073/pnas.2408502121
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Ammonites were not in decline prior to Late Cretaceous event
·?????? Paper:? https://www.nature.com/articles/s41467-024-49462-z
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Growth mechanism for golf ball & even grapefruit size hail
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“Expert” opinions on the global methane budget
·?????? Paper:? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023EF004234
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Planetary geology:? lower-temperature hydrothermal vents could create conditions that support if on “ocean worlds” in the Solar System
·?????? Paper:? https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JE008202
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Klondike gold rush history from Seattle, Washington, to Skagway
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Exceptionally well-preserved assemblage of Cambrian trilobites in High Atlas of Morocco
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Geomyth - debunking popular claim that Protoceratops inspired legend of the Griffin
·?????? 1989 Paper:? https://www.academia.edu/531069/Paleocryptozoology_A_Call_for_Collaboration_between_Classicists_and_Cryptozoologists
·?????? Paper:? https://journals.sagepub.com/doi/10.1177/03080188241255543
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Visualizing Saudi Aramco oil reserves
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Yeah, this is a brilliant idea:? $60M scheme to pump carbon to bottom of the ocean to “solve” non-existent climate crisis
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Inbreeding did not cause extinction of Wooly Mammoth – lack of genetic evidence to support inbreeding concept
·?????? Paper:? https://www.cell.com/cell/fulltext/S0092-8674(24)00577-4
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