Skip to main content
U.S. flag

An official website of the United States government

Aaron J Pietruszka (Former Employee)

Science and Products

plasma lab instruments

From Outcrop to Ions: development and application of in-situ isotope ratio measurements to solve geologic problems

Project objectives are to (1) develop innovative analytical techniques for isotope geochemistry and U-Pb geochronology using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), and (2) apply these techniques to collaborative research projects of high priority to the Mineral Resources Program, including studies related to the formation of "critical mineral" deposits, and...
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center
From Outcrop to Ions: development and application of in-situ isotope ratio measurements to solve geologic problems

From Outcrop to Ions: development and application of in-situ isotope ratio measurements to solve geologic problems

Project objectives are to (1) develop innovative analytical techniques for isotope geochemistry and U-Pb geochronology using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), and (2) apply these techniques to collaborative research projects of high priority to the Mineral Resources Program, including studies related to the formation of "critical mineral" deposits, and...
Learn More

Strontium isotope ratios of lavas from Kilauea Volcano, Hawaii Strontium isotope ratios of lavas from Kilauea Volcano, Hawaii

Strontium isotope ratios of historical Kilauea summit and rift lavas were analyzed by thermal ionization mass spectrometry (TIMS) at the Southwest Isotope Research Laboratories of the U.S. Geological Survey (USGS) in Denver. There were 151 analyses of 49 samples obtained from the field, the collections of the USGS Hawaiian Volcano Observatory (HVO), and the Smithsonian Institution. Data...
By
Geology, Geophysics, and Geochemistry Science Center, Kīlauea

Common lead isotopic measurements in silicate glasses and minerals by laser ablation double-focusing SC-ICPMS (2017) Common lead isotopic measurements in silicate glasses and minerals by laser ablation double-focusing SC-ICPMS (2017)

This dataset is related to a 2017 journal article by A. J. Pietruszka and L. A. Neymark titled "Evaluation of laser ablation double-focusing SC-ICPMS for "common" lead isotopic measurements in silicate glasses and minerals" that is published in the Journal of Analytical Atomic Spectrometry (doi:10.1039/c7ja00005g).
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

Awakening of Maunaloa linked to melt shared from Kilauea’s mantle source Awakening of Maunaloa linked to melt shared from Kilauea’s mantle source

Maunaloa—the largest active volcano on Earth—erupted in 2022 after its longest known repose period (~38 years) and two decades of volcanic unrest. This eruptive hiatus at Maunaloa encompasses most of the ~35-year-long Puʻuʻōʻō eruption of neighboring Kīlauea, which ended in 2018 with a collapse of the summit caldera and an unusually voluminous (~1 km3) rift eruption. A long-term pattern...
Authors
Aaron J. Pietruszka, Daniel Heaton, Jared Marske, Marc Norman, Mahinaokalani Robbins, Reed Mershon, Kendra Lynn, Drew Downs, Arron Steiner, J. Rhodes, Michael Garcia
By
Volcano Hazards Program, Volcano Science Center

Explosive summit collapse of Kīlauea Volcano in 1924 preceded by a decade of crustal contamination and anomalous Pb isotope ratios Explosive summit collapse of Kīlauea Volcano in 1924 preceded by a decade of crustal contamination and anomalous Pb isotope ratios

A geochemical time-series analysis of lavas from frequently active basaltic volcanoes has the potential to reveal the enigmatic mantle controls on volcanic behavior and hazards. In May 1924, the century-long lava lake within Halemaʻumaʻu pit crater at the summit of Kīlauea Volcano drained and the floor of Halemaʻumaʻu collapsed, triggering ∼3 weeks of phreatic explosions due to the...
Authors
Aaron Pietruszka, Daniel Heaton, Michael Garcia, Jared Marske
By
Geology, Geophysics, and Geochemistry Science Center

A high carbon content of the Hawaiian mantle from olivine-hosted melt inclusions A high carbon content of the Hawaiian mantle from olivine-hosted melt inclusions

The deep mantle carbon content and flux are fundamental quantities in understanding global volatile cycles and distributions. Here, we present CO2 concentrations measured in 407 olivine-hosted melt inclusions from Hualalai, Kilauea, Koolau, Loihi, and Mauna Loa to constrain the Hawaiian mantle CO2 content and flux. Quantification of melt inclusion CO2 is complicated by the ubiquitous...
Authors
Jonathan Tucker, Erik Hauri, Jared Marske, Aaron Pietruszka, Michael Garcia, Frank Trusdell
By
Natural Hazards Mission Area, Volcano Hazards Program, Volcano Science Center

Evaluation of laser ablation double-focusing SC-ICPMS for “common” lead isotopic measurements in silicate glasses and mineral Evaluation of laser ablation double-focusing SC-ICPMS for “common” lead isotopic measurements in silicate glasses and mineral

An analytical method for the in situ measurement of “common” Pb isotope ratios in silicate glasses and minerals using a 193-nm excimer laser ablation (LA) system with a double-focusing single-collector (SC)-ICPMS is presented and evaluated as a possible alternative to multiple-collector (MC)-ICPMS. This LA-SC-ICPMS technique employs fast-scanning ion deflectors to sequentially place a...
Authors
Aaron Pietruszka, Leonid A. Neymark
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

High spatial resolution U-Pb geochronology and Pb isotope geochemistry of magnetite-apatite ore from the Pea Ridge iron oxide-apatite deposit, St. Francois Mountains, southeast Missouri, USA High spatial resolution U-Pb geochronology and Pb isotope geochemistry of magnetite-apatite ore from the Pea Ridge iron oxide-apatite deposit, St. Francois Mountains, southeast Missouri, USA

The Pea Ridge iron oxide-apatite (IOA) deposit is one of the major rhyolite-hosted magnetite deposits of the St. Francois Mountains terrane, which is located within the Mesoproterozoic (1.5–1.3 Ga) Granite-Rhyolite province in the U.S. Midcontinent. Precise and accurate determination of the timing and duration of oreforming processes in this deposit is crucial for understanding its...
Authors
Leonid A. Neymark, Christopher Holm-Denoma, Aaron Pietruszka, John Aleinikoff, C. Fanning, Renee Pillers, Richard Moscati
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

A review of the recent geochemical evolution of Piton de la Fournaise volcano (1927-2010) A review of the recent geochemical evolution of Piton de la Fournaise volcano (1927-2010)

Between 1927 and 2010, more than one hundred eruptions of Piton de la Fournaise produced ~1 km3 of lava, and the volcano’s summit collapsed twice (in 1931 and 2007). These lavas display, respectively, 20 and 65 % of the Sr–Nd and the Pb isotope ranges reported for La Réunion volcanoes over their known eruptive record (3.8 Ma). Variations in major and trace element concentrations and Sr...
Authors
Aaron J. Pietruszka, Ivan Vlastelic
By
Geology, Geophysics, and Geochemistry Science Center

Two magma bodies beneath the summit of Kilauea Volcano unveiled by isotopically distinct melt deliveries from the mantle Two magma bodies beneath the summit of Kilauea Volcano unveiled by isotopically distinct melt deliveries from the mantle

The summit magma storage reservoir of Kīlauea Volcano is one of the most important components of the magmatic plumbing system of this frequently active basaltic shield-building volcano. Here we use new high-precision Pb isotopic analyses of Kīlauea summit lavas—from 1959 to the active Halema‘uma‘u lava lake—to infer the number, size, and interconnectedness of magma bodies within the...
Authors
Aaron Pietruszka, Daniel Heaton, Jared Marske, Michael Garcia
By
Geology, Geophysics, and Geochemistry Science Center

Uranium series, rates of basaltic melt generation and transport Uranium series, rates of basaltic melt generation and transport

No abstract available.
Authors
Aaron J. Pietruszka
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

Geochemistry of southern Pagan Island lavas, Mariana arc: The role of subduction zone processes Geochemistry of southern Pagan Island lavas, Mariana arc: The role of subduction zone processes

New major and trace element abundances, and Pb, Sr, and Nd isotopic ratios of Quaternary lavas from two adjacent volcanoes (South Pagan and the Central Volcanic Region, or CVR) located on Pagan Island allow us to investigate the mantle source (i.e., slab components) and melting dynamics within the Mariana intra-oceanic arc. Geologic mapping reveals a pre-caldera (780-9.4ka) and post...
Authors
J.P. Marske, A.J. Pietruszka, F. A. Trusdell, M.O. Garcia
By
Volcano Hazards Program, Volcano Science Center, Hawaiian Volcano Observatory

Tectono-magmatic processes investigated at deep-water flanks of Hawaiian volcanoes Tectono-magmatic processes investigated at deep-water flanks of Hawaiian volcanoes

Hawaiian volcanoes are exceptional examples of intraplate hotspot volcanism. Hotspot volcanoes, which frequently host large eruptions and related earthquakes, flank‐failure landslides, and associated tsunamis, can present severe hazards to populated regions. Many studies have focused on subaerial parts of Hawaiian volcanoes, but the deep‐water flanks of the edifices, which can reach 5700...
Authors
J. Naka, E Takahasi, D. Clague, Takeshi Hanyu, E. Herrero-Bervera, J. Ishibashi, Osamu Ishizuka, K. Johnson, T. Kanamatsu, I. Kaneoka, Peter Lipman, A. Malahoff, Gary McMurtry, B. Midson, Jeff Moore, J. Morgan, T. Naganuma, K Nakajima, T Oomori, Aaron Pietruszka, Satake Kenji, David Sherrod, Tsugio Shibata, K Shinozaki, Thomas Sisson, John R. Smith, S. Takarada, C. Thomber, Frank A. Trusdell, Nohiro Tsuboyama, T. Ui, Susumu Umino, K. Uto, H. Yokose

Science and Products

plasma lab instruments

From Outcrop to Ions: development and application of in-situ isotope ratio measurements to solve geologic problems

Project objectives are to (1) develop innovative analytical techniques for isotope geochemistry and U-Pb geochronology using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), and (2) apply these techniques to collaborative research projects of high priority to the Mineral Resources Program, including studies related to the formation of "critical mineral" deposits, and...
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center
From Outcrop to Ions: development and application of in-situ isotope ratio measurements to solve geologic problems

From Outcrop to Ions: development and application of in-situ isotope ratio measurements to solve geologic problems

Project objectives are to (1) develop innovative analytical techniques for isotope geochemistry and U-Pb geochronology using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), and (2) apply these techniques to collaborative research projects of high priority to the Mineral Resources Program, including studies related to the formation of "critical mineral" deposits, and...
Learn More

Strontium isotope ratios of lavas from Kilauea Volcano, Hawaii Strontium isotope ratios of lavas from Kilauea Volcano, Hawaii

Strontium isotope ratios of historical Kilauea summit and rift lavas were analyzed by thermal ionization mass spectrometry (TIMS) at the Southwest Isotope Research Laboratories of the U.S. Geological Survey (USGS) in Denver. There were 151 analyses of 49 samples obtained from the field, the collections of the USGS Hawaiian Volcano Observatory (HVO), and the Smithsonian Institution. Data...
By
Geology, Geophysics, and Geochemistry Science Center, Kīlauea

Common lead isotopic measurements in silicate glasses and minerals by laser ablation double-focusing SC-ICPMS (2017) Common lead isotopic measurements in silicate glasses and minerals by laser ablation double-focusing SC-ICPMS (2017)

This dataset is related to a 2017 journal article by A. J. Pietruszka and L. A. Neymark titled "Evaluation of laser ablation double-focusing SC-ICPMS for "common" lead isotopic measurements in silicate glasses and minerals" that is published in the Journal of Analytical Atomic Spectrometry (doi:10.1039/c7ja00005g).
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

Awakening of Maunaloa linked to melt shared from Kilauea’s mantle source Awakening of Maunaloa linked to melt shared from Kilauea’s mantle source

Maunaloa—the largest active volcano on Earth—erupted in 2022 after its longest known repose period (~38 years) and two decades of volcanic unrest. This eruptive hiatus at Maunaloa encompasses most of the ~35-year-long Puʻuʻōʻō eruption of neighboring Kīlauea, which ended in 2018 with a collapse of the summit caldera and an unusually voluminous (~1 km3) rift eruption. A long-term pattern...
Authors
Aaron J. Pietruszka, Daniel Heaton, Jared Marske, Marc Norman, Mahinaokalani Robbins, Reed Mershon, Kendra Lynn, Drew Downs, Arron Steiner, J. Rhodes, Michael Garcia
By
Volcano Hazards Program, Volcano Science Center

Explosive summit collapse of Kīlauea Volcano in 1924 preceded by a decade of crustal contamination and anomalous Pb isotope ratios Explosive summit collapse of Kīlauea Volcano in 1924 preceded by a decade of crustal contamination and anomalous Pb isotope ratios

A geochemical time-series analysis of lavas from frequently active basaltic volcanoes has the potential to reveal the enigmatic mantle controls on volcanic behavior and hazards. In May 1924, the century-long lava lake within Halemaʻumaʻu pit crater at the summit of Kīlauea Volcano drained and the floor of Halemaʻumaʻu collapsed, triggering ∼3 weeks of phreatic explosions due to the...
Authors
Aaron Pietruszka, Daniel Heaton, Michael Garcia, Jared Marske
By
Geology, Geophysics, and Geochemistry Science Center

A high carbon content of the Hawaiian mantle from olivine-hosted melt inclusions A high carbon content of the Hawaiian mantle from olivine-hosted melt inclusions

The deep mantle carbon content and flux are fundamental quantities in understanding global volatile cycles and distributions. Here, we present CO2 concentrations measured in 407 olivine-hosted melt inclusions from Hualalai, Kilauea, Koolau, Loihi, and Mauna Loa to constrain the Hawaiian mantle CO2 content and flux. Quantification of melt inclusion CO2 is complicated by the ubiquitous...
Authors
Jonathan Tucker, Erik Hauri, Jared Marske, Aaron Pietruszka, Michael Garcia, Frank Trusdell
By
Natural Hazards Mission Area, Volcano Hazards Program, Volcano Science Center

Evaluation of laser ablation double-focusing SC-ICPMS for “common” lead isotopic measurements in silicate glasses and mineral Evaluation of laser ablation double-focusing SC-ICPMS for “common” lead isotopic measurements in silicate glasses and mineral

An analytical method for the in situ measurement of “common” Pb isotope ratios in silicate glasses and minerals using a 193-nm excimer laser ablation (LA) system with a double-focusing single-collector (SC)-ICPMS is presented and evaluated as a possible alternative to multiple-collector (MC)-ICPMS. This LA-SC-ICPMS technique employs fast-scanning ion deflectors to sequentially place a...
Authors
Aaron Pietruszka, Leonid A. Neymark
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

High spatial resolution U-Pb geochronology and Pb isotope geochemistry of magnetite-apatite ore from the Pea Ridge iron oxide-apatite deposit, St. Francois Mountains, southeast Missouri, USA High spatial resolution U-Pb geochronology and Pb isotope geochemistry of magnetite-apatite ore from the Pea Ridge iron oxide-apatite deposit, St. Francois Mountains, southeast Missouri, USA

The Pea Ridge iron oxide-apatite (IOA) deposit is one of the major rhyolite-hosted magnetite deposits of the St. Francois Mountains terrane, which is located within the Mesoproterozoic (1.5–1.3 Ga) Granite-Rhyolite province in the U.S. Midcontinent. Precise and accurate determination of the timing and duration of oreforming processes in this deposit is crucial for understanding its...
Authors
Leonid A. Neymark, Christopher Holm-Denoma, Aaron Pietruszka, John Aleinikoff, C. Fanning, Renee Pillers, Richard Moscati
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

A review of the recent geochemical evolution of Piton de la Fournaise volcano (1927-2010) A review of the recent geochemical evolution of Piton de la Fournaise volcano (1927-2010)

Between 1927 and 2010, more than one hundred eruptions of Piton de la Fournaise produced ~1 km3 of lava, and the volcano’s summit collapsed twice (in 1931 and 2007). These lavas display, respectively, 20 and 65 % of the Sr–Nd and the Pb isotope ranges reported for La Réunion volcanoes over their known eruptive record (3.8 Ma). Variations in major and trace element concentrations and Sr...
Authors
Aaron J. Pietruszka, Ivan Vlastelic
By
Geology, Geophysics, and Geochemistry Science Center

Two magma bodies beneath the summit of Kilauea Volcano unveiled by isotopically distinct melt deliveries from the mantle Two magma bodies beneath the summit of Kilauea Volcano unveiled by isotopically distinct melt deliveries from the mantle

The summit magma storage reservoir of Kīlauea Volcano is one of the most important components of the magmatic plumbing system of this frequently active basaltic shield-building volcano. Here we use new high-precision Pb isotopic analyses of Kīlauea summit lavas—from 1959 to the active Halema‘uma‘u lava lake—to infer the number, size, and interconnectedness of magma bodies within the...
Authors
Aaron Pietruszka, Daniel Heaton, Jared Marske, Michael Garcia
By
Geology, Geophysics, and Geochemistry Science Center

Uranium series, rates of basaltic melt generation and transport Uranium series, rates of basaltic melt generation and transport

No abstract available.
Authors
Aaron J. Pietruszka
By
Mineral Resources Program, Geology, Geophysics, and Geochemistry Science Center

Geochemistry of southern Pagan Island lavas, Mariana arc: The role of subduction zone processes Geochemistry of southern Pagan Island lavas, Mariana arc: The role of subduction zone processes

New major and trace element abundances, and Pb, Sr, and Nd isotopic ratios of Quaternary lavas from two adjacent volcanoes (South Pagan and the Central Volcanic Region, or CVR) located on Pagan Island allow us to investigate the mantle source (i.e., slab components) and melting dynamics within the Mariana intra-oceanic arc. Geologic mapping reveals a pre-caldera (780-9.4ka) and post...
Authors
J.P. Marske, A.J. Pietruszka, F. A. Trusdell, M.O. Garcia
By
Volcano Hazards Program, Volcano Science Center, Hawaiian Volcano Observatory

Tectono-magmatic processes investigated at deep-water flanks of Hawaiian volcanoes Tectono-magmatic processes investigated at deep-water flanks of Hawaiian volcanoes

Hawaiian volcanoes are exceptional examples of intraplate hotspot volcanism. Hotspot volcanoes, which frequently host large eruptions and related earthquakes, flank‐failure landslides, and associated tsunamis, can present severe hazards to populated regions. Many studies have focused on subaerial parts of Hawaiian volcanoes, but the deep‐water flanks of the edifices, which can reach 5700...
Authors
J. Naka, E Takahasi, D. Clague, Takeshi Hanyu, E. Herrero-Bervera, J. Ishibashi, Osamu Ishizuka, K. Johnson, T. Kanamatsu, I. Kaneoka, Peter Lipman, A. Malahoff, Gary McMurtry, B. Midson, Jeff Moore, J. Morgan, T. Naganuma, K Nakajima, T Oomori, Aaron Pietruszka, Satake Kenji, David Sherrod, Tsugio Shibata, K Shinozaki, Thomas Sisson, John R. Smith, S. Takarada, C. Thomber, Frank A. Trusdell, Nohiro Tsuboyama, T. Ui, Susumu Umino, K. Uto, H. Yokose
Was this page helpful?