Petrological, Textural, and Volatile Constraints on the Architecture of Mauna Loa’s Magmatic System over 170 years (1852– 2022)
Abstract:
We report major and volatile element data for Mauna Loa lavas erupted between 1852 and 2022. The sample suite spans seven eruptions (1852, 1855, 1868, 1949, 1950, 1984, 2022) and consists of olivine- and orthopyroxene-hosted melt inclusions, host minerals, and matrix glasses. Major element compositions for all phases were analyzed using SEM-based Energy Dispersive (EDS) and Wavelength Dispersive (WDS) spectroscopy, while volatile element concentrations in the glass phase were determined via Secondary Ion Mass Spectrometry (SIMS). Raman spectroscopy was used to quantify CO2 held in melt inclusion vapor bubbles. This dataset provides high-resolution constraints on magmatic evolution and volatile budgets over the last two centuries of Mauna Loa’s activity
How to cite this dataset:
Bearden, A. T., Wieser, P., DeVitre, C., Gordon, C., Lynn, K., Monteleone, B., 2026. Petrological, Textural, and Volatile Constraints on the Architecture of Mauna Loa’s Magmatic System over 170 years (1852– 2022), Version 1.0. Interdisciplinary Earth Data Alliance (IEDA).
https://doi.org/10.60520/IEDA/114322. Accessed 2026-02-21.
DOI Creation Date:
2026-01-22
Related
Publication(s):
Bearden, A.T., Wieser, P.E., DeVitre, C.L., Gordon, C., Lynn, K.J., Monteleone, B. (Submitted). Petrological, Textural, and Volatile Constraints on the Architecture of Mauna Loa’s Magmatic System over 170 years (1852 – 2022). Submitted to the Journal of Petrology.
License:
Creative Commons Attribution 4.0 International [CC-BY-4.0]
Funding source(s):
National Science Foundation:
2218698 National Science Foundation:
2217371Keyword(s):
Coverage Scope: Regional (Continents, Oceans)
Geographic Location: Hawaiʻi, Mauna Loa
User Contributed Keyword(s):
Mauna Loa, volatiles, melt inclusions, olivine, orthopyroxene, matrix glasses, magma storage, Raman spectroscopy, SIMS, EDS, WDS, Sector Zoning
Data Available On:
2026-01-23