dc.contributor.advisor | David McGee. | en_US |
dc.contributor.author | Neary, Ashling | en_US |
dc.contributor.other | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences. | en_US |
dc.coverage.spatial | n-us-nv | en_US |
dc.date.accessioned | 2018-03-12T19:30:00Z | |
dc.date.available | 2018-03-12T19:30:00Z | |
dc.date.copyright | 2016 | en_US |
dc.date.issued | 2016 | en_US |
dc.identifier.uri | http://hdl.handle.net/1721.1/114103 | |
dc.description | Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2016. | en_US |
dc.description | Cataloged from PDF version of thesis. | en_US |
dc.description | Includes bibliographical references (pages 26-29). | en_US |
dc.description.abstract | Trace elements (Mg/Ca and Sr/Ca) and stable isotopes ([delta]13C and [delta]18O) were measured in two coeval stalagmites, LC3 and BT1, from the Lehman Caves, Nevada. BT1 spans 388 to 384 ka. The LC3 record is split into two parts due to a hiatus observed through fluorescent imaging. The section prior to the hiatus spans 411 ka to 402 ka. The post-hiatus section of the stalagmite has a single age of 383 ka; an age model cannot be constructed for this part of the record. These stalagmites span Marine Isotope Stage 11 (MIS 11), a long interglacial that occurred around 424-374 ka. Comparison with more recent stalagmite records has shown prior calcite precipitation to be the dominant control on Mg/Ca and [delta]13C in the cave. The trace element and stable isotope records obtained point to an arid climate in the Great Basin during MIS 11. | en_US |
dc.description.statementofresponsibility | by Ashling Neary. | en_US |
dc.format.extent | 29 pages | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Massachusetts Institute of Technology | en_US |
dc.rights | MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission. | en_US |
dc.rights.uri | http://dspace.mit.edu/handle/1721.1/7582 | en_US |
dc.subject | Earth, Atmospheric, and Planetary Sciences. | en_US |
dc.title | Records of Great Basin precipitation during MIS 11 from two Lehman Cave stalagmites | en_US |
dc.type | Thesis | en_US |
dc.description.degree | S.B. | en_US |
dc.contributor.department | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences | |
dc.identifier.oclc | 1027221076 | en_US |