EPMA: This table includes electron probe microanalyzer (EPMA) analyses. Analyses are of matrix glass. This table can be linked to the Samples table by the AT_num column. EPMAStandards: This table includes EPMA standard reference material (SRM) analyses. This table includes summary statistics for EPMA SRM analyses. The EPMAStandardsSummary and the LaserStandardsSummary tables are not machine-readable and are supplementary tables to the text. Laser: This table includes laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analyses of matrix glass. This table can be linked to the Samples table by the AT_num column. LaserStandards: This table includes LA-ICP-MS SRM analyses. The summary table includes summary statistics for LA-ICP-MS SRM analyses. The LaserStandardsSummary and the EPMAStandardsSummary tables are not machine-readable and are supplementary tables to the text. References: This table includes references used throughout the following tabs. There are columns for “short†(i.e., in-text) and full (i.e., bibliography) versions of each reference. Samples: This table includes metadata for all analyzed samples. Samples can be linked across tables using the AT_num column. Stations: Station observations and station coordinates.
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We thank the field geologists who, over numerous decades, collected most of the samples used in this project. Analytical assistance was provided by Dawn Ruth (EPMA) and Chris Russo (LA-ICP-MS). We would also like to thank Simone Montayne and Laura Walkup for their constructive reviews. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
These samples were collected over many years during geologic investigations of the eruptive histories of these source volcanoes and in regional studies of eruption impacts. They are compiled here to support research characterizing the composition and impacts of these volcanoes. These data describe the nature of samples from a past eruption to aid in discussing Alaska volcanism's spatial and temporal patterns. In addition, the work supports improvements to eruption scenario forecasts and hazard response.
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Are there legal restrictions on access or use of the data?Access_Constraints:
This report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below).Use_Constraints:Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. The user specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
The State of Alaska makes no expressed or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
| Data format: | table in format csv |
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| Network links: |
https://doi.org/10.14509/31091 |