lava sampling, USGS geologists, Hawaiian Volcano Observatory, fresh lava, pahoehoe lobe, quenched in water, chemical analysis, Kilauea volcano, HVO monitoring, geology, Hawaii

lava sampling, USGS geologists, Hawaiian Volcano Observatory, fresh lava, pahoehoe lobe, quenched in water, chemical analysis, Kilauea volcano, HVO monitoring, geology, Hawaii
lava sampling, USGS geologists, Hawaiian Volcano Observatory, fresh lava, pahoehoe lobe, quenched in water, chemical analysis, Kilauea volcano, HVO monitoring, geology, Hawaii
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