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#hydrothermal

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Lukas VFN 🇪🇺

Life recovered rapidly at site of dino-killing asteroid. A hydrothermal system may have helped
phys.org/news/2025-04-life-rec paper: nature.com/articles/s41467-025

"the crater it left behind in the #GulfOfMexico was a literal hotbed for life, enriching the overlying #ocean for at least 700,000 years... a #hydrothermal system created by the #asteroid impact may have helped marine life flourish at the impact site by generating and circulating nutrients in the crater environment."

Simplified map of the Gulf of Mexico just after the asteroid impact.
Public *
💧🌏 Greg Cocks

Multispectral Remote Sensing Expression of Lineaments and Alteration Minerals in Part of Crystalline Rock Units of Southwestern Nigeria - Implication on Gold Prospecting
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doi.org/10.1016/j.oreoa.2025.1 <-- shared paper
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#GIS #spatial #mapping #ASTER #Gold #Hydrothermal #HydrothermalAlteration #Lineament #Landsat #ETM #EnhancedThematicMapper #phyllic #Ilesha #schist #belt #geology #mining #Nigeria #naturalresources #mineral #mineralresources #golddeposits #aerogeophysical #remotesensing #geophysical #spatialanalysis #geomorphology #geomorphometry #alteration #propylitic #argillic #mineralogy #XRD #structuralgeology #lithology #PrincipalComponentAnalysis #PCA #prospecting #fracture #joints #faulting #Multispectral #Lineaments #Crystalline

aerial oblique image - existing gold mine, Nigeria
geology/geomorphology map - Showing VES Positions Overlay on Mineral Prospective Map
(a) Lineament Map of the Study Area (b) Lineament Density Map of the Study Area (c) Superposition of Lineament on Geology Map of the Study Area
maps of remote sensing data - (a) Composite (RGB) 7, 5, 2 Image of the Study Area (b) Composite (RGB) 3, 2, 1 Image of the Study Area (c) Composite (RGB) 4, 3, 1 Image of the Study Area (d) Composite (RGB) 3, 2, 1 Image of the Study Area
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