Interior, Department Of The- Us Geological Survey- Office Of Acquisiton Grants
B-- MINERAL SEPARATION AND U- Pb Crystallization Age - MINERAL SEPARATION AND U- Pb Crystallization AgeThis is a notice of intent to solicit from a single source. The U. S. Geological Survey ( USGS), intends to award a purchase order to Geosep Services, LLC, of Moscow, ID, for mineral se
mineral separations for each sample as separate and labeled vials that, at a minimum, contain: apatite, zircon, lights from gravimetric separation, and the various amperage tilt intervals from magnetic separations used. leftover, unprocessed bulk rock material should be returned to the usgs. zircon uthpb data shall be made available as an excel spreadsheet that contains raw and standardized measurements of 238u, 232th, 206pb, 207pb, and 208pb and calculated isotopic dates and associated uncertainties following community established norms and best practices. a writeup of analytical methods and instrument operating conditions should be made available upon request.
Bid Close Date: