Canada: Phosphatic Syenite (19152)
 >View Microscope
Fact sheet
Description: 

Rotation 1 - muscovite-paragonite (alteration after nepheline)

Rotation 2 - diopside containing large inclusions of fluorapatite

The 1138 ± 29 Ma Lackner Lake carbonatite-alkalic silicate rock complex is an ovoid 5 km by 6 km intrusion situated within the Kapuskasing structural zone in northeastern Ontario near the town of Chapleau, Ontario. It has notable REE, U, Th and Nb concentrations mainly in the form of fluorapatite and pyrochlore mineralisation.

In Place
In Time
Location description: 
Lackner Lake, Chapleau, near Timmins, Ontario, Canada
Accuracy:
Timescale:
Timescale: 
Proterozoic
Ma = Millions of years ago
In Focus
Collection:
What\
Type:
Type: 
igneous
What\
Rock-forming minerals:

Rock forming mineral:

What\
Accessory minerals:

Accessory minerals:

What\