Twenty-nine hours of travel...

has delivered me from Grand Junction, Colorado to Port Moresby in Papua New Guinea.

Sedimentary strata (Cretaceous) in the Book Cliffs in Utah seen at take off from Grand Junction, Colorado.

Sedimentary strata (Cretaceous) in the Book Cliffs in Utah seen at take off from Grand Junction, Colorado.

Sun rise across the International Date Line on approach to Brisbane, Australia.

Sun rise across the International Date Line on approach to Brisbane, Australia.

Dash to the Pintler Wilderness...

in western Montana seemed more like a wildlife safari.

Juvenile bald eagle.

Juvenile bald eagle.

The American dipper, also known as a water ouzel.

The American dipper, also known as a water ouzel.

Water ouzel on Pintler Creek.

Water ouzel on Pintler Creek.

Canadian geese taking flight from the Big Hole River.

Canadian geese taking flight from the Big Hole River.

The back ends of six sandhill cranes on the Big Hole River north of Wisdom, MT.

The back ends of six sandhill cranes on the Big Hole River north of Wisdom, MT.

Red-tailed chipmunk in camp.

Red-tailed chipmunk in camp.

Belted kingfisher working the Big Hole River.

Belted kingfisher working the Big Hole River.

Prepping for Papua New Guinea...

with Zegrahm Expeditions, leaving in exactly one week. After traveling in polar regions for four-and-a-half months this year, this trip will feel like a tropical vacation! I’m looking forward to snorkeling on some of the most bio-diverse reef systems in the world.

Voyage map: Port Moresby to Rabaul.

Voyage map: Port Moresby to Rabaul.

Seismicity of the convergent tectonic setting (from USGS). Earthquake foci color coded red (shallow) to yellow (deep).

Seismicity of the convergent tectonic setting (from USGS). Earthquake foci color coded red (shallow) to yellow (deep).

Microplates in convergent boundary between Australian and Pacific Plates. From Holm, RJ et al., 2016, Post 8 Ma reconstruction of Papua New Guinea and Solomon Islands: Earth-Science Reviews.

Microplates in convergent boundary between Australian and Pacific Plates. From Holm, RJ et al., 2016, Post 8 Ma reconstruction of Papua New Guinea and Solomon Islands: Earth-Science Reviews.

An attempt to control an advancing lava flow...

occurred in January-July 1973 in Heimaey, Iceland, where a short-lived eruption of Eldfjell volcano nearly closed the tiny fishing harbor.

View of Heimaey and harbor from northern flank of Eldfjell volcano.

View of Heimaey and harbor from northern flank of Eldfjell volcano.

Hiking the recent lava flow towards Eldfjell volcano in the mist.

Hiking the recent lava flow towards Eldfjell volcano in the mist.

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View of Surtsey (erupted in 1963) from the bridge.

View of Surtsey (erupted in 1963) from the bridge.

Surtsey volcano in the Vestmannaeyjar archipelago off southern Iceland.

Surtsey volcano in the Vestmannaeyjar archipelago off southern Iceland.

Exploring Iceland...

Orca pod welcoming committee in the Denmark Strait between Greenland and Iceland.

Orca pod welcoming committee in the Denmark Strait between Greenland and Iceland.

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Entrance to sub-glacial ice tunnel on Langjokull glacier, Iceland.

Entrance to sub-glacial ice tunnel on Langjokull glacier, Iceland.

Exploring the excavated ice tunnel within Langjokull glacier.

Exploring the excavated ice tunnel within Langjokull glacier.

Hraunfossar waterfall, with groundwater emerging from a lava flow into a glacial meltwater stream.

Hraunfossar waterfall, with groundwater emerging from a lava flow into a glacial meltwater stream.

Exploring Longyearbyen...

for four days, the northernmost town on Earth.

Searching the glacial moraine with Ida and Ryan for Paleocene plant fossils.

Searching the glacial moraine with Ida and Ryan for Paleocene plant fossils.

Me at the headworks to coal mine 2B above town.

Me at the headworks to coal mine 2B above town.

Inside the headworks at mine 2B.

Inside the headworks at mine 2B.

Exploring the coal mining headworks with Cobus and Blackjack.

Exploring the coal mining headworks with Cobus and Blackjack.

Svalbard poppy enjoying the short summer bloom.

Svalbard poppy enjoying the short summer bloom.