Tirex ResourcesGeological History

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Simplified geological history of the Tirex Resources Mirdita Property
@ Tirex Resources Ltd. August 12, 2008

Stage 1: Construct the mafic ocean floor.

  • Upwelling of mafic magmas from the mantle. Mafic magma (green) transferred to the ocean floor through major dykes complexes.


Stage 2: Subduction commences and development of major oceanic faults, about 165 million years ago

  • With faulting, mafic and felsic magmas are generated by melting of the down going slab and extruded onto the ocean floor".

  • Fault zones within these felsic volcanic centres channel hydrothermal fluids to the ocean floor where they deposit precious metal-rich VMS ore deposits.


Stage 3: Deformation - thrusting and uplift

  • Ocean closes and the volcanic pile is compressed, deformed and uplifted into a mountain belt.

  • The volcanic sequence is piled upon itself in a series of stacked rock packages.

  • Within this deformed sequence of volcanic rocks, ore bodies are now at different structural levels which appear as separate belts of ore deposits on the geology map.


Stage 4: Deposition of sedimentary rocks

  • Uplift of the volcanic sequence is accompanied by erosion at ~ 140 million years ago.

  • The products of this erosion were deposited in a basin that incrementally on lapped and then covered the volcanic rocks with a series of layered sedimentary rocks.


Stage 5: Renewed faulting

  • At an undetermined time after the deposition of the 140 million year old sedimentary rocks, the entire rock column is subjected to a period of faulting.

  • Faulting exploited older faults resulting in a dislocation of the volcanic and sedimentary rock sequences.


Stage 6: Erosion of this landscape

  • For the last ~100 million years up to the Present, re-sculpturing of this volcanic and sedimentary landscape by younger deformational events and erosion has created this spectacularly rugged landscape.

 
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