Geochemistry Guide 2024

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Lithium SGS has the methodology to support exploration and production analysis of lithium. Multi-element packages are listed in the Exploration Grade Analysis section of this guide for low grade lithium samples.

LITHIUM PACKAGES FOR LOW GRADE MINERALIZATION CODE(S)

ELEMENTS/ LIMIT(S) 0.5 - 10,000 ppm 1 - 10,000 ppm 10 - 50,000 ppm

DESCRIPTION

GE_IMS21B20 GE_ICP40Q12 GE_ICP92A50 GE_IMS90A50

Aqua regia digest / ICP-OES 4-Acid digest / ICP-OES

Sodium peroxide fusion / ICP-OES Sodium peroxide fusion / ICP-MS

5 - 10,000 ppm

LITHIUM PACKAGES FOR HIGHER GRADE MINERALIZATION CODE(S)

ELEMENTS/ LIMIT(S)

DESCRIPTION

GC_ICP92A50

≥ 10ppm

Sodium peroxide fusion / ICP-OES

Rare Earth Element Analysis Rare earth element (REE) samples can be analyzed using a variety of techniques depending on the concentration levels. The following packages are available for trace to percent level concentrations. Please enquire to ensure we meet your requirements. The following exploration packages contain REEs or can have additional REEs requested.

Industrial minerals

RARE EARTH ELEMENT ADD ON TRACE PACKAGES CODE(S)

ADDITIONAL ELEMENTS*

DESCRIPTION

Minerals most commonly used industrial activities, including construction, manufacturing, and technology Bauxite XRF is the industry standard for elemental analysis of bauxite materials across the mining lifecycle.

GE_ IMS40Q12

Pr, Nd, Sm, Eu, Gd,

4-Acid digest / ICP-MS

Dy, Ho, Er, Tm

* REE elements that can be added to existing package

RARE EARTH ELEMENT INCLUSIVE TRACE PACKAGES CODE(S)

ELEMENTS

DESCRIPTION

GE_ICP90A50 & GE_IMS90A50

Refer to pg 29 Refer to pg 30

Sodium peroxide fusion / ICP-OES / ICP-MS

Lithium metaborate fusion / ICP-MS

GE_IMS95A50

GO/GT_XRF72BX ANALYTE

REPORTED AS

RANGE

GO_IMS91Q100 SODIUM PEROXIDE FUSION / ICP-MS REE ORE GRADE PACKAGE ELEMENTS AND LIMIT(S) Ce 50 - 150,000 ppm Ho 0.1 - 200 ppm

Al 2 O 3 BaO CaO Cr 2 O 3 Fe 2 O 3

0.01 - 100% 0.01 - 5% 0.01 - 5% 0.01 - 1% 0.01 - 50% 0.01 - 1% 0.001 - 5% 0.01 - 10% 0.01 - 10% 0.01 - 10% 0.01 - 10% 0.05 - 100% 0.01 - 1% 0.01 - 5% 0.01 - 1% 0.01 - 1% -10 - 100%

Al

Ba Ca Cr Fe Ga

Sm 10 - 20,000 ppm

Y 5 -10,000 ppm Yb 1 - 200 ppm

Dy 1 - 5,000 ppm Er 0.5 - 200 ppm Eu 1 - 5,000 ppm Gd 5 - 5,000 ppm

La 50 - 50,000 ppm Lu 0.2 - 200 ppm Nd 50 - 50,000 ppm Pr 10 - 20,000 ppm

Tb 1 - 500 ppm

Th 5 - 50,000 ppm Tm 0.1 - 200 ppm

Ga 2 O 3 optional

U 1 - 200 ppm

K 2 O

K

Note: This technique requires a minimum sample weight of 0.5 g.

Mg Mn

MgO

Mn 3 O 4

Na 2 O P 2 O 5 SiO 2 SO 3 TiO 2 V 2 O 5 ZrO 2

Na

P

Si

S

Ti

V

Zr

LOI (1000 0 C)*

LOI

*G_PHY01V or G_PHY02V Dried sample only.

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