AGG surveys are focused on identifying gravity lows which are interpreted to be caused by hydrothermal fluids altering basement rocks to clay.

Source: https://investingnews.com/uranium-energy-corp-purchases-60-interest-in-the-henday-project-athabasca-basin-saskatchewan-forum-retains-40/

‘And if there were hydrothermal events in it which I was pretty sure there was, it just made sense to me that if you got all this mineralized hot water it’s rising out at the bottom at some point.

Source: https://metro.co.uk/2023/08/04/meg-2-the-trench-author-steve-alten-recalls-killing-off-critic-19256552/

Esperanza has a similar large hydrothermal alteration footprint and exhibits the scale and geological features needed for a Tier-1 discovery.”

Source: https://theclarion.ca/media-release/forte-minerals-receives-environmental-impact-statement-dia-approval-for-its-esperanza-porphyry-cu-mo-project-in-southern-peru/

For decades, Reysenbach has collected chimneys from deep-sea hydrothermal vents across the world's oceans, and her lab uses genetic fingerprinting and cultivation techniques to study the microbial of the communities associated with these rocks.

Source: https://phys.org/news/2023-01-immense-diversity-interdependence-high-temperature.html

Using submersible vehicles, the team studied the biodiversity and all the species found in that ecosystem, called a hydrothermal seep.

Source: https://www.delmartimes.net/news/story/2023-02-15/scripps-oceanography-researchers-discover-new-species-of-deep-sea-fish