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#hydrothermal

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💧🌏 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

💧🌏 Greg Cocks

New Study Seeks To Shed Light On Earthquake Hazards In The Gallatin Range
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usgs.gov/observatories/yvo/new <-- shared technical article
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#GIS #spatial #mapping #remotesensing #LiDAR #earthquake #fault #scarps #faulting #opendata #3dep #NGTOC #ruptures #surfaceexpression #risk #hazard #geology #engineeringgeology #geomorphology #geomorphmetry #seismology #elevation #topography #EastGallatin #ReeseCreek #faultsystem #EGRCFS #GallatinRange #GardnersHole #Yellowstone #Wyoming #Montana #USA #glaciation #superposition #dating #geologichistory #NationalSeismicHazardModel #model #modeling #spatialanalysis #spatiotemporal #massmovement #hydrothermal #YellowstoneNationalPark
@USGS

Daniel Pomarède

Perseverance Rover to Begin Long Climb Up Martian Crater Rim

Priority regions to study at the top of the crater are nicknamed “Witch Hazel Hill” and “Pico Turquino”, which contains ancient fractures that may have been caused by past hydrothermal activity.
nasa.gov/missions/mars-2020-pe

#Mars #Perseverance #rover #perseverancerover #astrobiology #geology #space #science #WitchHazelHill #PicoTurquino #JeseroCrater #crater #hydrothermal #astrodo.

NASA · NASA’s Perseverance Rover to Begin Long Climb Up Martian Crater Rim - NASAEditor’s note: This story was updated Aug. 16, 2024, to correct the length of time that NASA’s Perseverance Mars rover has been exploring Jezero Crater.
Chuck Darwin

Hydrothermal eruption in Yellowstone National Park sends sightseers fleeing

A surprise #hydrothermal #explosion in #Yellowstone national park has sent sightseers running for safety,
after steam and dark-coloured rock and dirt shot up high into the sky.

The eruption happened around 10am local time on Tuesday
in #Biscuit #Basin, a collection of hot springs a couple miles north of the famous Old Faithful Geyser.

theguardian.com/environment/ar

The Guardian · Hydrothermal eruption in Yellowstone National Park sends sightseers fleeingBy Guardian staff reporter
Nonilex

#Hydrothermal eruption sends tourists running in #Yellowstone

Part of #BiscuitBasin, just north of #OldFaithful, is closed after a hydrothermal explosion Tues morning.

Hydrothermal explosions occur when hot water creates bubbles of steam, leading to underground pressure that eventually bursts through the surface. …It’s not unlike the steam that builds up inside a sealed pressure cooker.

#geology #science
washingtonpost.com/nation/2024

The Washington Post · Video: Hydrothermal eruption sends tourists running in YellowstoneBy Jiselle Lee
Ruth Mottram

Oh my goodness, so cute!
scholar.social/@animalculum/11
animalculum@scholar.social - #Scientists Discover Four #NewSpecies of #DeepSea Octopus schmidtocean.org/scientists-di

"The team found two #octopus nurseries affiliated with #hydrothermal springs during their first expedition in June. Six months later, scientists returned to the nurseries and confirmed they appear to be active year-round. They also observed several other new octopus species away from the hydrothermal springs."

Scholar SocialLukas VF Novak (@animalculum@scholar.social)Attached: 1 image #Scientists Discover Four #NewSpecies of #DeepSea Octopus https://schmidtocean.org/scientists-discover-four-new-species-of-deep-sea-octopus/ "The team found two #octopus nurseries affiliated with #hydrothermal springs during their first expedition in June. Six months later, scientists returned to the nurseries and confirmed they appear to be active year-round. They also observed several other new octopus species away from the hydrothermal springs."
Mikko Tuomi

Mixing hydrogen, bicarbonate, and iron-rich magnetite under conditions mimicking #hydrothermal vent results in the formation of a spectrum of #organic molecules.

This is how some key molecules needed to produce life are made from inorganic chemicals, which is essential to understanding a key step in how #life formed on the Earth billions of years ago providung a plausible genesis for the organic molecules that formed ancient cell membranes.

#abiogenesis #astrobiology
astrobiology.com/2024/01/the-p

Astrobiology · The Potential Origins Of Life In Ancient Hot Springs - AstrobiologyNewcastle University research turns to ancient hot springs to explore the origins of life on Earth.
Mikko Tuomi

Deep-sea #hydrothermal vents are hot springs on the #ocean floor.

Around these vents, far from any sunlight, vibrant biological communities are found.

Here, #microbes play the role of primary producers through #chemosynthesis—similar to the role that plants play on land through photosynthesis.

Now, a newly discovered bacterial species from a hydrothermal vent throws light on microbial #evolution.

phys.org/news/2023-11-bacteria

Paper by Mino et al. (2023):
microbiologyresearch.org/conte

Phys.org · A new bacterial species from a hydrothermal vent throws light on microbial evolutionBy Science X
Mikko Tuomi

Ocean #moons of the outer solar system hint at ice volcanoes, #hydrothermal vents, and the tantalizing chance of #habitability.

#Jupiter’s moons #Europa and #Ganymede, #Saturn’s moons #Enceladus and #Titan, and more objects in the outer solar system have turned out to be remarkably active ocean worlds.

They are filled with ice and vast seas of water. They may have hydrothermal vents feeding into oceans. All of these characteristics add up to potential #habitability.

eos.org/features/cryovolcanism

Eos · Cryovolcanism’s Song of Ice and FireBy Erik Klemetti
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