Geochemistry Guide 2025

house

house

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 contact your SGS customer service agent. The following exploration packages contain REEs or can have additional REEs requested.

Industrial minerals

Minerals most commonly used industrial activities, including construction, manufacturing, and technology

RARE EARTH ELEMENT ADD ON TRACE PACKAGES CODE(S)

Bauxite XRF is the industry standard for elemental analysis of bauxite materials across the mining lifecycle.

ADDITIONAL ELEMENTS*

DESCRIPTION

GE_ IMS40Q12

Pr, Nd, Sm, Eu, Gd,

4-Acid digest / ICP-MS

Dy, Ho, Er, Tm

GO/GT_XRF72BX ANALYTE

* REE elements that can be added to existing package

REPORTED AS

RANGE

RARE EARTH ELEMENT INCLUSIVE TRACE PACKAGES CODE(S)

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

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_IMS91Q100 SODIUM PEROXIDE FUSION / ICP-MS REE ORE GRADE PACKAGE ELEMENTS AND LIMIT(S) Ce 50 - 150,000 ppm Ho 0.1 - 200 ppm

Ga 2 O 3 optional

K 2 O

K

Mg Mn

MgO

Sm 10 - 20,000 ppm

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

Mn 3 O 4

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

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

Na

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

P

Si

U 1 - 200 ppm

S

Ti

V

Zr

LOI (1000 0 C)*

LOI

* G_PHY01V or G_PHY02V Dried sample only.

Bauxite - additional characterizations Reactive Silica and Available Alumina using standard bomb digest followed by ICP-OES analysis (GO_ICP10V500). Total Organic Carbon (non Carbonate) TOC and Total Carbon using IR combustion refer to page 30. FTIR based characterization GE_FTIR73BX (below) which includes the typical Bauxite minerals as well as phases correlated to chemistry.

GE_FTIR73BX Total Alumina 40.0 - 55.0% Available Alumina 5.0 - 60.0% Total Silica 1.0 - 60.0% Reactive Silica 1.0 - 29.0%

Total Titanium Oxides 1.0 - 3.5%

Quartz 1.0 - 100.0% Goethite 1.0 - 20.0% Kaolinite 1.0 - 100.0%

Total Iron Oxides 1.0 - 29.0% Obtain quantitative infra-red spectral data using an ATR based system including total oxide weight % calibrated against borate fusion XRF and reactive silica and aluminium calibrated against classical bomb digest. Additional compounds available upon request at extra cost.

38

39

Made with FlippingBook Annual report maker