NSF) funded research grants as well as by grants from other agencies and contracts. We provide service, scientific expertise and educational outreach activities to the research community in the U.S. and beyond. This web site is aimed at providing important information about the facility and promoting the use of secondary ion mass spectrometers (SIMS) in research and education.
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The NENIMF was established in 1996 by Nobumichi Shimizu as an outgrowth of the Woods Hole Oceanographic Institution (WHOI) Regional Ion Microprobe Facility, and represents a consortium effort involving WHOI, Massachusetts Institute of Technology (MIT), Brown University, Rensselaer Polytechnic Institute (RPI), Lamont-Doherty Earth Observatory (LDEO) and the American Museum of Natural History (AMNH). The facility is equipped with Cameca IMS 3f and IMS 1280 ion microprobes that were purchased with support from NSF, the Kresge Foundation, the Cecil and Ida Green Foundation, and the Consortium Members.
The NENIMF consortium members cover a broad range of geochemical research including solar/presolar materials and processes, early Earth evolution, mantle dynamics, crustal processes and evolution, environmental monitoring and experimental geochemistry. Measurements of both the abundances of diverse trace elements (REE, HFSE, LILE) as well as stable and radiogenic isotopes are essential components of this research. Technique developments reflect the broad range of scientific interests of the user base.
The IMS 3f has been used since 1978 for a wide spectrum of geochemical studies, and remains highly effective for in situ trace element and REE analysis of rock-forming minerals and glasses (spatial resolution better than 10 μm). More recent applications for the IMS 3f include measurement of δ11B in melt inclusions and in natural waters (prepared by evaporation) as well as measurement of Sr, Mg and Ba in marine carbonates for paleotemperature reconstructions.
The IMS 1280 is a new generation high transmission-high mass resolution SIMS instrument with a great number of extended capabilities for geochemical analysis. Types of applications available now at NENIMF are summarized in the Access section. The IMS 1270 was seriously damaged in a fire on October 22, 2002. The rebuilt IMS 1280 was delivered to WHOI in January 2005 and was successfully installed and is operational.
NENIMF consists of Director, Facility Manager, Analyst, Engineer, and Administrator. They are in charge of daily operational matters, maintenance and renovation of the instruments, and development and improvement of analytical protocols. NENIMF personnel also are responsible for helping and training users.
In order to make management and operation of the facility satisfactory to the community of scientists in a broad spectrum of Earth and Ocean Sciences, the NENIIMF Director works closely with the WHOI Director of Research, the Internal Advisory Committee, and the External Advisory Committee. The External Advisory Committee consists of representatives of the consortium member institutions and representatives of the SIMS technical and user community outside the consortium, and provides advice to the NENIMF Director and the WHOI Director of Research on management/operation of the facility as well as on technical matters.
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Major funding for the Northeast National Ion Microbe Facility is provided by Woods Hole Oceanographic Institution and the National Science Foundation.