Arizona LaserChron Center

University of Arizona
https://sites.google.com/a/laserchron.org/laserchron/home

Contact Information

George Gehrels

520-621-6026

ggehrels@geo.arizona.edu

Tucson

ARIZONA

Instrument Type

MASS SPECTROMETERS - Radiogenic Isotopes

GV Instruments Multicollector Isoprobe

Application:

Age determination U-Pb

Typical Use:

U-Pb age determinations by laser ablation multicollector ICP mass spectrometry

Conditions for Use:

Submitted samples will be analyzed on a contract basis (i.e. lab personnel will do the work)
Visitors are invited to work in the lab to work with lab personnel
Visitors are invited to work in the lab to design and do the work yourself

User Fees:

$4 per analysis if research is NSF supported and users operate instrument
$8 per analysis if research is not NSF supported, or if LaserChron staff conduct the analyses
$12 per analysis if research is not NSF supported and LaserChron staff conduct the analyses

Instrument Priorities:

Instrument time is available for in-house research and research by lab visitors.
The instruments can also be operated off-site for classroom demonstrations.

Remote Use:

No

Sample Preparation:

Best if mineral separates are sent to us, but we are also able to process samples on site.

Standard Collections/Lab Blanks:

We have a set of well-calibrated zircon, sphene, and monazite standards.

Software:

Instrument software is provided by GV Instruments and by New Wave Research.
Data reduction takes place off-line with a user-friendly excel spreadsheet (Agecalc).
A variety of plotting and data analysis tools are available from our facility web site http://www.geo.arizona.edu/alc/Analysis%20Tools.htm

Educational Use:

Class demonstrations are available for undergraduates
Undergraduate student research projects are invited
Graduate student research projects are invited
Tutorials and other educational materials related to the lab are available
The instruments can also be operated off-site for classroom demonstrations


Support provided by:

The Arizona LaserChron Center is a national multi-user facility supported by the Instrumentation and Facilities Program of the National Science Foundation (EAR 0443387).