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Papua New Guinea

Image of a thin section of peridotite, taken under a microscope, with the pinks, greens, purples, and blues of olivine crystals of various sizes mixed with other, less brightly colored minerals
Posted inNews

Million or Billion? Narrowing Down the Age of Mantle Processes in New Guinea

by Alka Tripathy-Lang 16 May 202216 May 2022

Mantle rocks in Papua New Guinea contain curious geochemical signatures that scientists have traditionally interpreted as evidence of billions-year-old melting. New evidence suggests otherwise.

Posted inEditors' Highlights

Low-angle Normal Fault in Papua New Guinea is Rolling Along

by N. Niemi 22 May 20196 October 2021

Geologic and geomorphic observations of an active low-angle normal fault reveal a rolling-hinge mechanism accommodating the exhumation of a metamorphic core complex in Papua New Guinea.

Scientists aboard the R/V Sonne profiled the seafloor and subsurface near Ritter Island, north of New Guinea, in 2016.
Posted inScience Updates

An 1888 Volcanic Collapse Becomes a Benchmark for Tsunami Models

by A. Micallef, S. F. L. Watt, C. Berndt, M. Urlaub, S.Brune, I. Klaucke, C. Böttner, J. Karstens and J. Elger 10 October 201718 November 2022

When volcanic mountains slide into the sea, they trigger tsunamis. How big are these waves, and how far away can they do damage? Ritter Island provides some answers.

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