Merapi volcano, Indonesia
Merapi volcano, Indonesia

October 2017

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Pumice from Merapi 2010 eruption
Pumice from Merapi 2010 eruption

Dark mineral: pyroxene

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Microphotograph of clinopyroxene phenocryst that contains apatite and melt inclusions
Microphotograph of clinopyroxene phenocryst that contains apatite and melt inclusions

From Merapi 2010 pumice

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Merapi volcano, Indonesia
Merapi volcano, Indonesia

October 2017

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Mt. Shasta, USA
Mt. Shasta, USA

August, 2017

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Mt. Shasta, USA
Mt. Shasta, USA

August, 2017

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Stromboli volcano, Italy
Stromboli volcano, Italy

September 5, 2013

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Stromboli volcano, Italy
Stromboli volcano, Italy

September 5, 2013

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Mt. Fuji, Japan
Mt. Fuji, Japan

June, 2018

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Basaltic lava flow from Jogan eruption, 864 A.D.
Basaltic lava flow from Jogan eruption, 864 A.D.

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Mt. Fuji, Japan
Mt. Fuji, Japan

June, 2018

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Tianchi, Changbaishan volcano, China
Tianchi, Changbaishan volcano, China

September 2012

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Hot spring at Changbaishan volcano
Hot spring at Changbaishan volcano

September, 2012

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Sanidine phenocrysts
Sanidine phenocrysts

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Tianchi, Changbaishan volcano, China
Tianchi, Changbaishan volcano, China

September 2012

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Columnar jointing of flood basalt
Columnar jointing of flood basalt

To the north of Lake Baikal (September, 2013)

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Huge volcanic bomb
Huge volcanic bomb

Near lake Baikal, September 2013

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Camping near lake Baikal
Camping near lake Baikal

September, 2013

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Columnar jointing of flood basalt
Columnar jointing of flood basalt

To the north of Lake Baikal (September, 2013)

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