Invitation to Bid

Project: Polar Bear immobilization

Requirement: Telazol (Tiletamine HCL and Zolazepan HCL), Quantity of (400) 5 ml vials, 100 mg/ml dry

Quote due by: 05/01/2009

Project: Detrital zircon geochronology and apatite fission track

3 Samples: Detrital zircon geochronology of granite samples. Includes mineral separation, hand-picking, mounting, LAICPMS instrumental analysis of at least
100 zircon grains per sample and data reduction.

U-Pb analytical results will be transmitted electronically as standard Excel spreadsheets suitable for analysis using ISOPLOT.
(Samples are from the Susitna basin region)

12 Samples: Apatite fission track geochronology of granite samples from the Kichatna Mountains. Includes mineral separation, hand-picking, mounting, and
counting of 100 tracks per sample. Analysis shall include 25 single grain ages and 125 confined track-length measurements and analysis of cooling history with
Hefty software.

Analytical results will be transmitted electronically as standard excel spreadsheets, Microsoft word documents, and PDF files.

Quote due by: 05/08/2009

Contact: Tyrone Rowse

U.S. Department of the Interior | U.S. Geological Survey
URL: http://alaska.usgs.gov
Page Contact Information: ascweb@usgs.gov
Page Last Modified: April 29, 2009