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Archives: Geoheritage Sites

Heisei Shinzan Lava Dome

Northeast view of Heisei Shinzan, formed in the 1990–1995 eruption, with the endogenous part at top. Taken from above the Taruki Forest Park.

The Active Hunga Volcano

Hunga Volcano's subaerial landscape during a smaller surtseyan eruption in the lead up to the January 2022 phreatoplinian event (Photo credit: Taaniela Kula).

Rotorua’s geothermal fields, Ahi-tupua

Waiotapu's Champagne Pool (left), with orange sinter rim, and Artist's Palette sinter terrace (right) are among the most colourful geothermal features globally. Photo: Alastair Jamieson.

The Mid-Atlantic ridge on Reykjanes

Gunnuhver hot spring, with the Fagradalsfjall volcanic eruption (2021) in the background (Photo Lovísa Ásbjörnsdóttir).

The evolution of the Andes in Colca Canyon

Northeastern view Colca Canyon. Right: Quaternary volcanic rocks on the surface, intersected by normal fault; to the backdrop: Plio-Quaternary volcanic arc glacial mountains.

Salt domes and glaciers of the Zagros Fold and Thrust Belt

Ediacaran-Early Cambrian Hormuz salt extruded in the eroded core of a whale-back anticline of the Zagros mountain of southern Iran. The folded strata belong to Cretaceous to Pliocene sequence.

The Patos Shear Zone

Migmatitic rocks from the high-temperature part of the Patos shear zone near Patos where melt formed during late Proterozoic shearing.

Esla Unit thrust system

In the foreground ridge, Cambrian dolostones of the Esla Nappe (right) rest over Devonian limestones (left) along an overturned thrust. In the distance, folded unconformable succession.

Glarus Thrust

Famous view of Tschingelhörner with Martin’s Hole. The Glarus thrust is visible as a line along the cliff where the rock changes color.

Monte Perdido massif tectonic structure

Fold and thrust of the Cilindro de Marboré, one of the most iconic images of the Monte Perdido massif.
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IUGS Zumaia Declaration
  • About
    • • Organization chart
    • • Objetives
    • • Terms of reference
    • • Annual reports
  • Projects & News
    • Projects
    • Events & News
  • Publications
  • IUGS Zumaia Declaration
  • Geoheritage sites
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    • • Designations
  • Geoheritage stone
    • • Subcommission on
    • • Definition / Standards
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  • Geo-collections
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