Chemistry of spring and well waters on Kilauea Volcano, Hawaii, and vicinity
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Journal Article: Chemistry of spring and well waters on Kilauea Volcano, Hawaii, and vicinity
AbstractPublished and new data for chemical and isotopic samples from wells and springson Kilauea Volcano and vicinity are presented. These data are used to understandprocesses that determine the chemistry of dilute meteoric water, mixtures with sea water,and thermal water. Data for well and spring samples of non-thermal water indicate that mixing with sea water and dissolution of rock from weathering are the major processes that determine the composition of dissolved constituents in water. Data from coastal springs demonstrate that there is a large thermal system south of the lower east rift of Kilauea. Samples of thermal water from shallow wells in the lower east rift and vicinity have rather variable chemistry indicating that a number of processes operate in the near surface. Water sampled from the available deep wells is different in composition from the shallow thermal water, indicating that generally there is not a significant component of deep water in the shallow wells. Data for samples from available deep wells show significant gradients in chemistry and steam content of the reservoir fluid. These gradients are interpreted to indicate that the reservoir tapped by the existing wells is an evolving vapor-dominated system.
- Cathy J. Janik, Manuel Nathenson and Martha A. Scholl
- Published Journal
- U.S. Geological Survey, 1994
- Not Provided
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Cathy J. Janik,Manuel Nathenson,Martha A. Scholl. 1994. Chemistry of spring and well waters on Kilauea Volcano, Hawaii, and vicinity. U.S. Geological Survey. .