|
Services
|
Cost per
Sample
|
|
Sr Isotope Analyses
|
|
87Sr/86Sr (better than 30 ppm)
|
$300.00
|
|
87Sr/86Sr (ultra high precision, better
than 20 ppm)
|
$500.00
|
|
Sr content by isotope
dilution mass spectrometry
|
$150.00
|
|
Crushing and
homogenization to -100 mesh
|
$50.00
|
|
Mineral separation
(includes crushing)
|
$200.00
|
|
HF digestion (as required
for silicates, etc.)
|
$75.00
|
|
|
|
Rb-Sr Age
Determinations
|
|
Rb-Sr dating or each
point on a Rb-Sr isochron
|
$750.00
|
|
Mineral separation if
required
|
$200.00
|
|
|
|
Pb Isotope
Analyses
|
|
Pb isotopes in galena,
sulfides, soils (excluding hydrocarbons)*
|
$300.00
|
|
Pb isotopes in
archaeological alloys (metallic)
|
$300.00
|
|
Pb isotopes in total rock
Pb, feldspars, etc.
|
$375.00
|
|
* for analysis of
hydrocarbons, call for details.
|
|
|
|
U-Pb Isotope Analyses
|
|
U-Pb dating of refractory
minerals (each point on a Concordia diagram with air abrasion of minerals)
|
$750.00
|
|
Mineral separation and
preparation
|
$200.00
|
|
|
|
Sm-Nd Isotope Analyses
|
|
Whole rock or minerals
for construction of an isochron (per point - a minimum of three points is
needed)
|
$800.00
|
|
143Nd/144Nd isotopes in geologic samples
|
$650.00
|
|
Mineral separation and
preparation
|
$200.00
|
