The Use Of Pb Isotopes To Characterize The Fate And Transport Of Pb In An Interrupted Stream, Aravaipa Creek, Graham County, Arizona

Persistent Link:
http://hdl.handle.net/10150/191346
Title:
The Use Of Pb Isotopes To Characterize The Fate And Transport Of Pb In An Interrupted Stream, Aravaipa Creek, Graham County, Arizona
Author:
Torre de Álvaraz Morfĩn, Orestes de la.
Issue Date:
1999
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
This study identifies the probable sources of Pb pollution in the perennial reach of Aravaipa Creek using 208pb/204pb, 206pb/204pb and 207pb/204 Pb ratios, 87Sr/86Sr isotope ratios, total metals analysis, metals ratios and sequential extractions. Comparison of these data in local ores, minewaste, crystal specimens, and streambed sediments establishes two Pb isotopic ratio groupings. Pb isotope ratios show one source, the flotation mill at Klondyke, Arizona, is a major contributor to Pb in the perennial reach, and are consistent with mines from the reduced end of the deposit as sources of ores processed on-site. Differences between ephemeral and perennial reach Sr ratios is consistent with in-stream Sr/Ca re-equilibration. Sequential extraction data reveal carbonate grain coatings as the controlling phase for Pb fate in streambed sediments. Spatial trends of metals, Pb and Sr isotope ratios, and sequential extraction data are consistent with atmospheric deposition as the probable mechanism for offsite Pb transport.
Type:
Thesis-Reproduction (electronic); text
LCSH Subjects:
Hydrology.; Lead -- Isotopes -- Arizona -- Graham County.; River channels -- Arizona -- Graham County.
Degree Name:
M.S.
Degree Level:
masters
Degree Program:
Hydrology and Water Resources; Graduate College
Degree Grantor:
University of Arizona
Committee Chair:
Conklin, Marha H.

Full metadata record

DC FieldValue Language
dc.language.isoenen_US
dc.titleThe Use Of Pb Isotopes To Characterize The Fate And Transport Of Pb In An Interrupted Stream, Aravaipa Creek, Graham County, Arizonaen_US
dc.creatorTorre de Álvaraz Morfĩn, Orestes de la.en_US
dc.contributor.authorTorre de Álvaraz Morfĩn, Orestes de la.en_US
dc.date.issued1999en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractThis study identifies the probable sources of Pb pollution in the perennial reach of Aravaipa Creek using 208pb/204pb, 206pb/204pb and 207pb/204 Pb ratios, 87Sr/86Sr isotope ratios, total metals analysis, metals ratios and sequential extractions. Comparison of these data in local ores, minewaste, crystal specimens, and streambed sediments establishes two Pb isotopic ratio groupings. Pb isotope ratios show one source, the flotation mill at Klondyke, Arizona, is a major contributor to Pb in the perennial reach, and are consistent with mines from the reduced end of the deposit as sources of ores processed on-site. Differences between ephemeral and perennial reach Sr ratios is consistent with in-stream Sr/Ca re-equilibration. Sequential extraction data reveal carbonate grain coatings as the controlling phase for Pb fate in streambed sediments. Spatial trends of metals, Pb and Sr isotope ratios, and sequential extraction data are consistent with atmospheric deposition as the probable mechanism for offsite Pb transport.en_US
dc.description.notehydrology collectionen_US
dc.typeThesis-Reproduction (electronic)en_US
dc.typetexten_US
dc.subject.lcshHydrology.en_US
dc.subject.lcshLead -- Isotopes -- Arizona -- Graham County.en_US
dc.subject.lcshRiver channels -- Arizona -- Graham County.en_US
thesis.degree.nameM.S.en_US
thesis.degree.levelmastersen_US
thesis.degree.disciplineHydrology and Water Resourcesen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.chairConklin, Marha H.en_US
dc.identifier.oclc213500056en_US
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