
© Hradecký, Petr | 2003
|

Jarosite
© Hanl, Pavel | 2008
|

Ignimbrite
© Hanl, Pavel | 2008
|

Malý Křenov - ryolitový ignimbrit
© Tasáryová, Zuzana | 2011
|

© Kachlík, Václav | 2012
|

Corbetti Caldera
© Rapprich, Vladislav | 2012
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© Hradecký, Petr | 2012
|

© Gürtlerová, Pavla | 2017
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© Gürtlerová, Pavla | 2017
|

© Gürtlerová, Pavla | 2017
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Cerro Guiliguisca, Río Coco Geopark site
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Petroglyphs in Aguas Calientes, Nicaragu
© áček, Vladimír | 2017
|

Petroglyphs in Aguas Calientes, Nicaragu
© áček, Vladimír | 2017
|

Petroglyphs in Aguas Calientes, Nicaragu
© áček, Vladimír | 2017
|

Cerro Guiliguisca, Río Coco Geopark site
© áček, Vladimír | 2017
|

Cerro Guiliguisca, Río Coco Geopark site
© áček, Vladimír | 2017
|

Cerro Guiliguisca, Río Coco Geopark site
© áček, Vladimír | 2017
|

Cerro Guiliguisca, Río Coco Geopark site
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

Cueva Aserrio, Río Coco Geopark locality
© áček, Vladimír | 2017
|

© Gürtlerová, Pavla | 2019
|

© Gürtlerová, Pavla | 2019
|

© Gürtlerová, Pavla | 2019
|

© Gürtlerová, Pavla | 2019
|

© Vajskebrová, Markéta | 2020
|

© Vajskebrová, Markéta | 2020
|

© Vajskebrová, Markéta | 2020
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© Vajskebrová, Markéta | 2020
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