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Geochemistry, Mineralogy, Petrology & Volcanology
(990 entries)
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A hand sample of ferruginous sandstone
by Metwally Hamza
A specimen shows manganese dendrites
by Metwally Hamza
A thin section in pumice extrusive/volcanic igneous rock
by Metwally Hamza
A thin section contains a wide variety of mineral grains
by Metwally Hamza
An euhedral crystal (the biggest one in the photo) in groundmass matter
by Metwally Hamza
A thin section shows a coarse plagioclase mineral grain
by Metwally Hamza
A thin section in gabbro igneous rock, containing most beautiful colorized mineral grains
by Metwally Hamza
Basalt colums at Reynisfjara
by Sarah Weick
Mud Volcanoes rising to the surface
by Sarah Weick
Geometrical shadows cluster
by Alice Staro
World under the microscope
by Alice Staro
Skarn deposit in Etruscan-Roman mine, mining void
by Luca Tinagli
Skarn deposit in Etruscan-Roman mine
by Luca Tinagli
Working in the shadow of Bárðarbunga
by Tom Winder
The Icelandic Highlands
by Tom Winder
An amphitheatre of lava and water
by Tom Winder
Nyiragongo Crater by Nightfall
by Victoria Milanez Fernandes
Canyon wall sculpted by erosion
by Ioannis Daglis
The lost capital of Montserrat
by Martin Mergili
The Hoodoos, the surreal formations
by Mohammadreza Jamalreyhani
The Hidden Meteorite, Poster
by Isaac Kerlow
Volcanic Infrasound Poster
by Isaac Kerlow
Bubbling lava lake of Nyiragongo
by Jonas Kuhn
Explosion inside the condensed emisssions of Nyiragongo
by Jonas Kuhn
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