Please note that this is an old ALC web page. Please proceed to the new web page at https://sites.google.com/laserchron.org/arizonalaserchroncenter/home

The Arizona LaserChron Center is an NSF multi-user facility that is designed to address problems in Earth Science through the generation of U-Th-Pb geochronologic data and complementary geochemical information by Laser Ablation ICP Mass Spectrometry. Our primary goals are as follows:

  • Generate U-Th-Pb ages, Hf isotope ratios, and trace element concentrations of the best precision, accuracy, and spatial resolution possible from LA-ICPMS.
  • Provide opportunities for researchers from around the world (and especially NSF-supported scientists) to use our instruments and expertise to address geologic problems.
  • Drive the development of new techniques and applications of geochronology, thermochronology, and petrochronology.
  • Build new cyberinfrastructure for data acquisition, analysis, and archiving.
  • Use every aspect of facility operation as an opportunity to enhance expertise and diversity among geochronologists and users of geochronology. 

The main instruments utilized at the Arizona LaserChron Center include a Nu Plasma multicollector ICPMS, a Thermo Element2 single-collector ICPMS, two Photon Machines Analyte G2 excimer lasers, and a Hitachi 3400N SEM, all of which are dedicated to ALC research. These instruments were acquired with support from the University of Arizona, the National Science Foundation, and ExxonMobil Upstream Research. 

Support for the Arizona LaserChron Center is provided by the NSF Instrumentation and Facilities Program. The center is a multi-user facility, available to all NSF-supported researchers and students as well as researchers from around the world. NSF funding allows us to significantly reduce the cost of NSF-supported research, with additional support available to subsidize research conducted by students. Additional information about NSF multi-user facilities is available at http://www.nsf.gov/geo/ear/if/facil.jsp.

Please contact George Gehrels (Director of the ALC; ggehrels@email.arizona.edu) for general questions about the lab, or Mark Pecha (Manager of the ALC; mpecha@email.arizona.edu) for specific information about analytical methods, schedules, costs, letters of collaboration, etc.
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Sample NameRock Type (DZ IG PC)LAT (dec deg)LONG (dec deg)Formation NameGeologic PeriodJCPVWTFRMIMount #MapImagingAnalysesDateNotes
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Sample NameRock Type (DZ IG PC)LAT (dec deg)LONG (dec deg)Formation NameGeologic PeriodJCPVWTFRMIMount #MapImagingAnalysesDateNotes
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