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#1 Federal

Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Sulfur isotope analysis of samples from outside the Kīlauea summit crater lake

Organization: Department of the Interior
Dataset Last Updated: March 30, 2023 at 12:00 AM

Samples from outside the crater lake were analyzed for their sulfur isotopic composition. Samples of sulfate alteration and native sulfur from the Kīlauea summit, Halema’uma’u crater (HMM), and...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 07:28 PM

#2 Federal

Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Water Chemistry

Organization: Department of the Interior
Dataset Last Updated: March 30, 2023 at 12:00 AM

Samples for water chemistry analysis were filtered to 0.45 µm upon collection. Since the solute-rich samples continued to form precipitates, samples were filtered again immediately prior to...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:44 PM

#3 Federal

Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: X-Ray Diffraction (XRD) of solids filtered from water samples

Organization: Department of the Interior
Dataset Last Updated: March 30, 2023 at 12:00 AM

Samples of the crater lake water were filtered in the field with a 0.45 micron filter. Subsequently, additional precipitates formed in the solute-rich samples (secondary precipitates) which were...

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:33 PM

#4 Federal

Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Water Isotopes

Organization: Department of the Interior
Dataset Last Updated: March 30, 2023 at 12:00 AM

Water samples for Oxygen-18 and deuterium isotope determinations were stored unfiltered in 15 ml glass bottles and analyzed at the USGS laboratories in Reston, Virginia. Analysis of oxygen...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:57 PM

#5 Federal

Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Chemical composition of solids filtered from water samples

Organization: Department of the Interior
Dataset Last Updated: March 30, 2023 at 12:00 AM

Samples of the crater lake water were filtered in the field with a 0.45 micron filter. Subsequently, additional precipitates formed in the solute-rich samples (secondary precipitates). The solids...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 10:14 PM

#6 Federal

Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Scanning Electron Microscopy (SEM) of solids filtered from water samples

Organization: Department of the Interior
Dataset Last Updated: March 30, 2023 at 12:00 AM

Samples of the crater lake water were filtered in the field with a 0.45 micron filter. Subsequently, additional precipitates formed in the solute-rich samples (secondary precipitates) which were...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:01 PM

#7 Federal

Chemical and isotopic composition of gas, water, and solids from the 2019-2020 water lake in Halema’uma’u Crater, Kīlauea Volcano, Hawaii: Sulfur and oxygen isotopes of dissolved sulfate

Organization: Department of the Interior
Dataset Last Updated: March 30, 2023 at 12:00 AM

Aliquots of collected water samples were prepared for isotopic analysis at the USGS laboratories in Menlo Park, CA by precipitating dissolved sulfate as barium sulfate, using the methods of...

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Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 07:43 PM

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