Near-Surface Exploration GeoChemistry

Our near-surface exploration analysis techniques are designed for excellent recovery of base- and trace-elements from regolith materials. These are ideal for products from shallow drilling, such as aircore, rotary-air-blast and auger samples.

Microwave-Assisted Aqua-Regia Extraction
LabWest has developed microwave-assisted digestion techniques to obtain maximum recovery of metals from geochemical samples, with negligible loss of volatiles and no cross-contamination.

Our microwave-assisted aqua-regia digestion (scheme code MAR) is a first-class exploration tool, giving a degree of confidence in results that is not easily obtainable with traditional hotplate or hotbox techniques.

Very low detection limits are obtained with current-generation ICP-MS.

LabWest Code MAR-01 20 elements
LabWest Code MAR-04 44 elements

Element

DL (ppm)

Element

DL (ppm)

Element

DL (ppm)

Element

DL (ppm)

Ag

0.01

Fe

100

Nb

0.05

Ta

0.01

Al

10

Ga

0.05

Ni

0.5

Te

0.01

As

0.5

Ge

0.05

P

5

Th

0.02

Ba

0.2

Hf

0.02

Pb

0.2

Ti

10

Be

0.05

Hg

0.01

Pt

0.001

Tl

0.02

Bi

0.01

In

0.01

Rb

0.1

U

0.02

Ca

10

K

10

Re

0.001

V

1

Cd

0.02

La

0.05

S

50

W

0.01

Ce

0.05

Li

0.5

Sb

0.01

Y

0.05

Co

0.2

Mg

10

Sc

1

Zn

0.2

Cr

2

Mn

2

Se

0.05

Zr

0.5

Cs

0.1

Mo

0.1

Sn

0.1

Indicative

Cu

0.2

Na

10

Sr

0.1

Au

0.0005

 

 

Commodity-Specific Exploration Packages
In consultation with leading geoscientists we have developed analysis suites that will meet the specific needs of explorers for various commodities.

Gold Exploration:

WAR-25
Au to 0.5ppb by aqua-regia/ICP-MS

WCN-500
Au to 0.01ppb, plus Ag As Bi Cd Co Cu Mo Ni Pd Pt Zn

Gold and Base-Metals:

LabWest Code EXPRESS AU+20
20 elements by MAR, plus Au (0.5ppb)
Ag As Au Bi Ca Co Cr Cu Fe Hg In Mn Mo Ni Pb Sb Te Tl U W Zn

Uranium Exploration:

LabWest Code MMA-01U
21 elements, by HF/Total digestion
Ag As Ba Ca Co Cu Fe K Li Mo Ni P Pb S Se Th Ti U V Y Zn

Iron Exploration:

LabWest Code MIO-01
Major oxides by HF/Total digestion
Fe Al2O3 CaO K2O Na2O MgO MnO P S SiO2 TiO2 LOI

Lithium Exploration:

LabWest Code MMA01-Li
20 elements, by HF/Total digestion
Al Be Ca Cs Fe K Li Mg Mn Na Nb P Rb Sn S Ta Th Ti U W