Gary Lewis
@geoetc.bsky.social
Geologist, trip leader, educator, Airtable expert and more.
Lava pours into the ocean creating a plume of acidic steam. A tour boat is way too close!
May 11, 2025 at 9:20 PM
Lava pours into the ocean creating a plume of acidic steam. A tour boat is way too close!
The eroded volcanic plugs of the Glasshouse Mountains, Queensland Australia. Evidence of Australias slow passage over a mantle hotspot. #geology #geoetc #volcano #queensland
April 26, 2025 at 11:31 AM
The eroded volcanic plugs of the Glasshouse Mountains, Queensland Australia. Evidence of Australias slow passage over a mantle hotspot. #geology #geoetc #volcano #queensland
April 24, 2025 at 11:31 AM
Once horizontal, these layers of sandstones and shale formed from turbidity flows on an ancient sea floor that sat between North America and a small plate called Avalonia. When the plates collided these layers were squashed up and exposed. #geology #geoetc #platetectonics #maine
April 23, 2025 at 7:48 PM
Once horizontal, these layers of sandstones and shale formed from turbidity flows on an ancient sea floor that sat between North America and a small plate called Avalonia. When the plates collided these layers were squashed up and exposed. #geology #geoetc #platetectonics #maine
Celebrating Earth Day (with thanks to AGI)
April 22, 2025 at 1:28 PM
Celebrating Earth Day (with thanks to AGI)
Dinosaurs display in the American Museum of Natural History , New York. Full of little future paleontologists. #geology #dinosaurs #fossils #newyorkcity #geoetc
April 21, 2025 at 8:55 PM
Dinosaurs display in the American Museum of Natural History , New York. Full of little future paleontologists. #geology #dinosaurs #fossils #newyorkcity #geoetc
April 20, 2025 at 8:03 PM
The decay of marble statues in cities around the world is linked to air pollution causing rain to become acidic. This chemical weathering can be seen in this saint in Amsterdam. #geology #geoetc #weathering #pollution #acidrain
April 16, 2025 at 6:20 PM
The decay of marble statues in cities around the world is linked to air pollution causing rain to become acidic. This chemical weathering can be seen in this saint in Amsterdam. #geology #geoetc #weathering #pollution #acidrain
Trying to outrun a lava flow? Teachers having fun in Hawaii on a GEOetc.com field adventure.
April 15, 2025 at 7:04 PM
Trying to outrun a lava flow? Teachers having fun in Hawaii on a GEOetc.com field adventure.
April 12, 2025 at 9:09 AM
April 11, 2025 at 9:02 PM
Cut granite slabs awaiting placement in a new structure. The skill of splitting straight slabs is great, curved is amazing! #geology #geoetc #granite #dimensionstone
April 9, 2025 at 8:47 AM
Cut granite slabs awaiting placement in a new structure. The skill of splitting straight slabs is great, curved is amazing! #geology #geoetc #granite #dimensionstone
